Welcome to Free Online Tools

Free, fast, and easy-to-use online tools to make your life easier.

File Conversion Tools

XML to CSV Converter

Convert XML files to CSV format with our easy-to-use tool.

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CSV to XML Converter

Convert CSV data to structured XML format quickly and easily.

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Excel to JSON Converter

Convert Excel files to JSON format easily.

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JSON to XML Converter

Convert JSON data to XML format for easy data integration.

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XML to JSON Converter

Convert XML data to JSON format for easy data processing in JavaScript applications.

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PDF Merger

Combine multiple PDF files into one document online for free. Merge up to 10 PDFs quickly and easily.

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PDF to Word Converter

Convert PDF files to Word documents (.docx) online for free. Extract text from PDFs and save as editable Word format.

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PDF to Image Converter

Convert PDF pages to high-quality PNG or JPEG images. Process PDFs entirely in your browser.

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Image to PDF Converter

Combine multiple images into a single PDF document. Supports JPG, PNG, GIF, and WebP formats.

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PDF Splitter

Extract specific pages from PDF files. Select individual pages, ranges, or odd/even pages.

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PDF Compressor

Reduce PDF file size with three compression levels. Client-side processing for privacy.

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Image Tools

Web Image Resizer

Resize your images for web use while maintaining quality.

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Image Cropper

Crop your images online with precision and ease.

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Image Compressor

Compress images without losing quality to reduce file size.

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Image Format Converter

Convert images between different formats: JPG, PNG, GIF, WEBP.

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Text Tools

AI Text Cleaner

Clean and optimize AI-generated text to improve readability and remove detection markers.

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Text Case Converter

Convert text to uppercase, lowercase, title case and more.

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Lorem Ipsum Generator

Generate Lorem Ipsum placeholder text for your designs.

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Word Counter

Count words, characters, sentences and paragraphs in your text.

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Readability Calculator

Analyse text readability using Flesch-Kincaid, Gunning Fog, and other scoring algorithms.

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Audio Tools

Audio Remastering Tool

Enhance and remaster audio files with professional-grade processing right in your browser.

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Guitar Tuner

Tune your guitar with precision using your microphone. Supports standard, drop D, and more tunings.

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Web Design Tools

WCAG Colour Contrast Checker

Check colour contrast ratios for WCAG 2.1 AA and AAA compliance with live preview and suggested accessible alternatives.

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Colour Picker

Find the perfect colour for your web design with our interactive colour picker tool.

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Favicon Generator

Generate favicons in all required sizes from a single image. Create ICO, PNG, and Apple Touch icons.

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Aspect Ratio Calculator

Calculate missing image or video dimensions, simplify ratios, and convert between aspect ratios. Presets for 16:9, 4:3, 1:1, social media, and more.

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Developer Tools

UUID Generator

Generate UUID v1, v4, v7, or nil UUIDs in bulk. Multiple formats including hyphenated, braces, and Base64.

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Markdown to HTML

Convert Markdown to clean HTML with live preview. Supports tables, code blocks and task lists. Runs entirely in your browser.

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URL Encoder/Decoder

Encode or decode URLs and query parameters. Supports component and full URL encoding modes.

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Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 strings. Supports UTF-8 and URL-safe encoding.

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Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text. Useful for checksums and data integrity.

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JWT Decoder

Decode and inspect JSON Web Tokens. View header, payload, claims, and check expiry status.

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JSON Formatter

Format, validate, and beautify JSON data with syntax highlighting.

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Regex Tester

Test and debug regular expressions with real-time matching and highlighting.

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Unix Epoch Converter

Convert Unix timestamps to human-readable dates and vice versa. Supports multiple timezones.

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Number Base Converter

Convert numbers between binary, decimal, hexadecimal, and octal bases instantly.

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Text Diff Tool

Compare two texts side-by-side and highlight differences. Useful for code review and document comparison.

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DNS Lookup

Query DNS records for any domain. View A, AAAA, MX, TXT, NS, CNAME, and SOA records.

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WHOIS Lookup

Look up domain registration information including registrar, creation date, and nameservers.

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SSL Certificate Checker

Check SSL certificate details, expiry dates, and issuer information for any website.

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Utility Tools

Pomodoro Timer

Boost focus with a customisable Pomodoro timer — configurable work, short break and long break intervals.

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Age Calculator

Calculate your exact age in years, days, seconds, and discover fun animal age comparisons!

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Cooking Measurement Converter

Convert cups, tablespoons, grams and ounces for flour, sugar, butter and 20+ common ingredients.

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Random Number Generator

Generate random integers or decimals for raffles, lotteries and games. Unique-only and sort options included.

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Roman Numeral Converter

Convert numbers to Roman numerals and back. Supports values up to 3,999,999 with vinculum notation.

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Unit Converter

Convert between different units of measurement easily.

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Password Generator

Generate secure and random passwords for your accounts.

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QR Code Generator

Create QR codes for URLs, text, and contact information.

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What's My IP Address?

Discover your IP address and get detailed information about your internet connection.

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Security Header Checker

Check website security headers and get recommendations to improve your website's security posture.

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Invoice Generator

Create professional invoices with your business details, line items, and VAT. Export to PDF.

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List Randomiser

Shuffle any list into random order. Perfect for standups, team assignments, and raffles.

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Competition Picker

Pick a random winner with an exciting spinning wheel animation and confetti celebration!

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Rubik's Cube Solver

Interactive 3D cube solver. Enter your cube's colours and get step-by-step solving instructions.

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YouTube Thumbnail Downloader

Download thumbnails from any YouTube video in all available sizes including HD.

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Percentage Calculator

Calculate percentages easily. Find percentage of a number, increase/decrease, and percentage difference.

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Tip Calculator

Calculate tips and split bills between multiple people. Supports custom tip percentages.

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Discount Calculator

Calculate sale prices after discounts. Supports multiple discounts and VAT calculations.

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Timezone Converter

Convert times between different timezones. Includes all major world timezones with DST support.

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GPA Calculator

Calculate your weighted Grade Point Average on the US 4.0 scale with plus/minus grades and cumulative GPA.

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Grade Calculator

Calculate your weighted course grade from assignments and tests, or find out what score you need on your final exam to hit a target grade.

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Date Difference Calculator

Calculate days, weeks, months and years between two dates, or add/subtract days from any date. Includes working-day count.

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Speed Distance Time Calculator

Calculate speed, distance, or time — enter any two values to find the third. Supports mph, km/h, m/s, miles, km, and more.

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Health Tools

TDEE Calculator

Calculate your Total Daily Energy Expenditure and BMR using Mifflin-St Jeor. See calorie targets for cutting, maintenance and bulking.

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Calorie Deficit Calculator

Calculate your daily calorie target for weight loss or gain. Personalised to your stats and goal, with an estimated timeline to reach your target weight.

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Body Fat Calculator

Estimate body fat percentage using the US Navy tape measure method. Includes BMI, fat mass, lean mass and category.

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BMI Calculator

Calculate your Body Mass Index and check if you're at a healthy weight.

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Ovulation Calculator

Estimate your ovulation date, fertile window and next period based on your cycle length and luteal phase.

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Blood Pressure Checker

Enter your blood pressure reading and instantly find your NHS category — Normal, Elevated, High Stage 1/2, or Hypertensive Crisis — with health advice.

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Water Intake Calculator

Estimate your recommended daily water intake based on weight, exercise, climate and pregnancy. Results in litres, pints and glasses.

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Centor Calculator

Assess the likelihood of streptococcal infection in patients with sore throat.

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FeverPAIN Calculator

Calculate FeverPAIN score to guide sore throat management and antibiotic prescribing decisions.

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HAS-BLED Calculator

Assess bleeding risk in patients on anticoagulation therapy for atrial fibrillation.

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CURB-65 Calculator

Calculate pneumonia severity score to guide hospital admission and antibiotic treatment decisions.

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Body Surface Area Calculator

Calculate body surface area (BSA) using different formulas for medication dosing and clinical assessments.

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Creatinine Clearance Calculator

Calculate kidney function using Cockcroft-Gault, MDRD, and CKD-EPI formulas for UK healthcare professionals.

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Glasgow Coma Scale Calculator

Assess neurological status with the GCS scoring system - the standard tool for healthcare professionals in the UK.

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MUST Calculator

Calculate Malnutrition Universal Screening Tool (MUST) scores to identify adults at risk of malnutrition.

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MELD Score Calculator

Calculate MELD scores to assess liver disease severity and determine transplant priority using laboratory values.

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Pregnancy Calculator Suite

Comprehensive pregnancy tools including due date calculator, gestational age tracker, and weight gain guidance.

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FRAX Fracture Risk Calculator

Calculate 10-year hip fracture and major osteoporotic fracture risk using the WHO FRAX assessment tool.

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NEWS2 Calculator

Calculate National Early Warning Score 2 (NEWS2) - the UK standard for assessing acute illness severity.

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Wells DVT Calculator

Calculate pretest probability of deep vein thrombosis (DVT) using the Wells criteria to guide diagnostic decisions.

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Wells PE Calculator

Calculate pretest probability of pulmonary embolism (PE) using the Wells criteria to guide diagnostic decisions.

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Rockwood Frailty Scale

Assess frailty in elderly patients using the widely recognized Clinical Frailty Scale (CFS).

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QRISK3 Calculator

Calculate 10-year risk of heart attack and stroke using the QRISK3 algorithm.

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CHA₂DS₂-VASc Calculator

Assess stroke risk in atrial fibrillation to guide anticoagulation decisions.

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eGFR Calculator

Calculate estimated Glomerular Filtration Rate using the CKD-EPI 2021 equation for kidney function assessment.

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PHQ-9 & GAD-7 Calculator

Screen for depression and anxiety using validated PHQ-9 and GAD-7 questionnaires with NHS resources.

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4AT Delirium Assessment

Rapid bedside delirium screening tool recommended by NICE NG97 for detecting delirium in clinical settings.

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ABCD² Stroke Risk Score

Estimate short-term stroke risk after TIA using the ABCD² score as recommended by NICE NG128.

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Child-Pugh Score Calculator

Assess chronic liver disease severity and cirrhosis prognosis using the Child-Pugh classification.

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FIB-4 Index Calculator

Non-invasive liver fibrosis assessment using age and routine blood tests. Recommended by NICE NG49.

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APGAR Score Calculator

Assess newborn condition at 1 and 5 minutes after birth using the standardised APGAR scoring system.

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HEART Score Calculator

Risk stratify chest pain patients in the ED. Predicts 6-week MACE risk to guide discharge decisions.

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PSI/PORT Score Calculator

Calculate pneumonia severity index for community-acquired pneumonia to guide site-of-care decisions.

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PERC Rule Calculator

Apply PERC criteria to safely exclude PE in low-risk patients without D-dimer testing.

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Ottawa Ankle Rules

Determine if X-ray is needed for ankle or midfoot injuries. Validated clinical decision rule.

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Ottawa Knee Rules

Determine if X-ray is needed for acute knee injuries. Near 100% sensitivity for fractures.

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PEWS Calculator

Calculate Paediatric Early Warning Score to identify children at risk of clinical deterioration.

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Paediatric GCS Calculator

Age-appropriate Glasgow Coma Scale assessment for infants and children with modified verbal criteria.

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UK-WHO Growth Centile Calculator

Calculate growth centiles for children using UK-WHO growth charts. Weight, height, BMI and head circumference.

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TIMI Risk Score Calculator

Calculate TIMI scores for STEMI and NSTEMI/UA to guide treatment decisions in acute coronary syndrome.

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GRACE Score Calculator

GRACE score for ACS risk stratification. Predicts in-hospital and 6-month mortality. NICE recommended.

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Duke Criteria Calculator

Modified Duke Criteria for diagnosis of infective endocarditis. Classifies definite, possible, or rejected IE.

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RCRI Calculator

Revised Cardiac Risk Index (Lee Index) for perioperative cardiac risk assessment before non-cardiac surgery.

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AKI Staging Calculator

Classify Acute Kidney Injury severity using KDIGO criteria. Stage 1-3 based on creatinine rise and urine output.

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FENa Calculator

Calculate Fractional Excretion of Sodium and Urea to differentiate pre-renal AKI from intrinsic renal failure.

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Glasgow-Blatchford Score

Calculate upper GI bleeding risk. Identifies patients needing intervention vs safe for outpatient management.

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Rockall Score Calculator

Predict mortality and rebleeding risk in upper GI haemorrhage. Pre-endoscopy and complete scores.

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NAFLD Fibrosis Score

Non-invasive assessment of liver fibrosis in NAFLD/MASLD patients using routine clinical parameters.

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Shock Index Calculator

Calculate Shock Index, Modified SI, and Age-SI for early identification of haemodynamic instability.

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SOFA Score Calculator

Sequential Organ Failure Assessment for ICU patients. Predicts mortality in sepsis and critical illness.

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qSOFA Calculator

Quick SOFA for bedside sepsis screening outside ICU. Identifies patients at risk of poor outcomes.

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APACHE II Calculator

Acute Physiology and Chronic Health Evaluation II for ICU mortality prediction within first 24 hours.

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Canadian C-Spine Rule

Determine if cervical spine imaging is required after blunt trauma using this validated 3-step clinical algorithm.

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NEXUS Criteria Calculator

Apply NEXUS low-risk criteria for cervical spine clearance. Simple 5-criteria decision tool for c-spine imaging.

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Cauda Equina Checklist

Assess red flag symptoms for Cauda Equina Syndrome. Urgent identification of this neurosurgical emergency.

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Bishop Score Calculator

Assess cervical favourability for labour induction using the Bishop scoring system.

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MEOWS Calculator

Modified Early Obstetric Warning Score for identifying deteriorating pregnant or postpartum women.

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Fetal Weight Calculator

Estimate fetal weight using the Hadlock formula from ultrasound biometry measurements.

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Macro Calculator

Calculate daily calories (TDEE) and macronutrient targets (protein, carbs, fat) for fat loss, maintenance or muscle gain.

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Running Pace Calculator

Calculate pace, finish times and splits for 5K, 10K, half marathon and marathon races. Convert between min/km, min/mile, mph and km/h.

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Sleep Cycle Calculator

Find the best bedtime or wake-up time based on 90-minute sleep cycles to wake refreshed instead of groggy.

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One-Rep Max Calculator

Estimate your one-rep max (1RM) from any weight and rep count using the Epley, Brzycki and Lombardi formulas, plus a training percentage chart.

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Finance Tools

Mortgage Overpayment Calculator

See how regular or one-off mortgage overpayments cut years off your term and save thousands in interest.

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Pay Rise Calculator

Calculate the impact of a pay rise on annual, monthly and hourly pay, and check it against UK inflation.

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Marriage Allowance Calculator

Check if you qualify for UK Marriage Allowance and see how much tax you could save — including backdating up to 4 years.

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Salary Converter

Convert between annual, monthly, weekly, daily and hourly salary with custom hours and working days.

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Mortgage Repayment Calculator

Work out monthly UK mortgage repayments, total interest, and see how overpayments cut your term and interest.

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Loan-to-Value (LTV) Calculator

Calculate your mortgage LTV ratio, see which rate band you fall into, and find out how much deposit you need to access better deals.

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Net Worth Calculator

Add up your UK assets and debts to see your net worth, debt-to-asset ratio and a clear financial snapshot.

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Statutory Redundancy Pay Calculator

Calculate UK statutory redundancy pay by age and service. Includes 2025/26 £719 weekly cap and notice pay.

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Take Home Pay Calculator

Calculate your net take-home pay after taxes, National Insurance, pension, and student loan deductions.

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Capital Gains Tax Calculator

Calculate your Capital Gains Tax liability on property, shares, and other assets.

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Debt Repayment Calculator

Create a debt payoff plan and see how different strategies can help you become debt-free sooner.

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Emergency Fund Calculator

Calculate how much money you should save for emergencies based on your personal financial situation.

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Buy-to-Let Calculator

Calculate the total cash needed to purchase a buy-to-let property in the UK.

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Savings Goal Calculator

Calculate how much you need to save regularly to reach your financial goals.

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Inflation Calculator

Calculate the impact of inflation on your money over time using historical UK inflation rates.

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Mortgage Affordability Calculator

Calculate how much house you can afford based on your income, expenses, and UK mortgage rules.

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Pension Calculator

Plan your retirement and estimate how much you need to save for a comfortable retirement income.

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Remortgage Savings Calculator

Calculate potential savings from remortgaging your property, comparing your current mortgage with new deals.

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Budget Planner

Plan your monthly budget, categorize expenses, and visualize your spending patterns.

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VAT Calculator

Add or remove VAT from prices using standard UK rates. Perfect for businesses and invoicing.

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Profit Margin Calculator

Calculate gross and net profit margins, convert between markup and margin, and find break-even prices.

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Compound Interest Calculator

Calculate investment growth with compound interest over time. Visualize your wealth building.

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Student Loan Calculator

Calculate UK student loan repayments for Plan 1, 2, 4, 5 and Postgraduate loans.

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Self-Assessment Tax Calculator

Calculate your UK Self-Assessment tax liability including Income Tax and National Insurance.

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Dividend Tax Calculator

Calculate UK dividend tax on company dividends with the £500 tax-free allowance.

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Inheritance Tax Calculator

Calculate UK Inheritance Tax liability with nil-rate bands, spouse exemptions, and taper relief.

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ISA Calculator

Calculate tax-free ISA growth and compare Cash ISA vs Stocks & Shares ISA returns.

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Salary Sacrifice Calculator

Calculate tax and NI savings from salary sacrifice for pensions, EVs, and cycle to work.

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Lease vs Buy Calculator

Compare the total cost of leasing vs buying a vehicle including all running costs and BIK tax.

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R&D Tax Credit Calculator

Calculate R&D tax credits for UK companies. Includes SME relief, RDEC, and merged scheme rates.

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Currency Converter

Convert between 150+ world currencies with live exchange rates. Updated daily.

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Stock Profit Calculator

Calculate stock trading profit/loss with fees and UK Capital Gains Tax estimates.

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Dividend Yield Calculator

Calculate dividend yield, annual income, and investment needed for target monthly income.

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FIRE Calculator

Plan your Financial Independence and Early Retirement with the 4% safe withdrawal rule.

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Credit Card Payoff Calculator

See how long it takes to pay off credit card debt. Avoid the minimum payment trap.

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Business Mileage Calculator

Calculate HMRC-approved mileage allowances for business travel.

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MTD Calculator

Track quarterly income and expenses for Making Tax Digital compliance.

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IR35 Status Calculator

Determine your IR35 status with our CEST-style questionnaire.

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PAYE Payroll Calculator

Calculate PAYE, NI, and generate payslips for up to 10 employees.

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Personal Loan Calculator

Calculate UK personal loan repayments, total interest and full amortisation schedule. Includes optional extra payments.

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Small Business Tools

Profit Margin Calculator

Calculate gross and net profit margins, convert between markup and margin, and find break-even prices.

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Break-Even Calculator

Calculate your break-even point in units and revenue with visualisation charts.

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Business Loan Calculator

Calculate monthly repayments, total interest, and view amortisation schedules for business loans.

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Cash Flow Forecast

Create 12-month cash flow projections with income and expense categories. Export to CSV.

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Hourly Rate Calculator

Calculate your freelance hourly rate based on desired income, expenses, and billable hours.

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Quote Generator

Create professional quotes with line items, VAT calculations, and PDF export.

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Payment Terms Calculator

Calculate invoice due dates and UK statutory late payment interest charges.

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VAT Return Calculator

Calculate VAT Return boxes 1-9 for Making Tax Digital. Supports standard and flat rate schemes.

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Privacy Policy Generator

Generate a free GDPR and UK-compliant privacy policy for your website. Download as HTML, TXT, or DOCX.

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Terms & Conditions Generator

Generate UK-compliant terms and conditions for your website or business. Customise for e-commerce, SaaS, and services.

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Timesheet Calculator

Free weekly timesheet / time card calculator. Total hours, breaks, overtime and pay – supports overnight shifts and rounding.

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Property Tools

Paint Calculator

Work out how much paint you need for a room. Accounts for doors, windows, coats and tin sizes with cost estimate.

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Domestic EPC Calculator

Estimate your property's EPC rating and get suggestions for improvements.

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EPC Checker UK

Look up the official EPC rating of any UK property using government data.

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Stamp Duty Calculator

Calculate Stamp Duty Land Tax (SDLT) for property purchases.

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Rental Yield Calculator

Calculate gross and net rental yields for property investments.

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HMO License Checker

Determine if your property requires an HMO license based on your local council's requirements.

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Renovation ROI Calculator

Calculate the potential return on investment for different home improvements.

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Buy vs Rent Calculator

Compare the true cost of buying vs renting a property in the UK. Includes stamp duty and wealth accumulation.

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Developer Tools

JavaScript Obfuscator

Protect your JavaScript code by making it harder to read and understand while maintaining functionality.

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JSON Formatter

Format, validate, and beautify JSON data with syntax highlighting and tree view.

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Regex Tester

Test and debug regular expressions in real-time with match highlighting and pattern library.

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Everyday UK Tools

Stop Smoking Savings Calculator

See how much money you save and what NHS health milestones you hit after quitting smoking. UK GBP savings and life-regained estimate.

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Energy Bill Calculator

Calculate your UK energy costs using Ofgem price cap rates. Estimate electricity and gas bills.

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Council Tax Estimator

Estimate your council tax band and annual bill based on property value in England.

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Fuel Cost Calculator

Calculate the fuel cost for your journey based on distance, fuel efficiency, and current UK prices.

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Minimum Wage Calculator

Calculate UK National Minimum/Living Wage for 2025/26 based on age and hours worked.

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Child Benefit Calculator

Calculate UK Child Benefit payments and High Income Child Benefit Charge (HICBC) for 2025/26.

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Driving Licence Age Calculator

Find out when you can apply for a provisional licence and take driving tests in the UK.

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Solar Panel Calculator

Calculate solar panel savings, ROI, and payback period for UK homes. Includes Smart Export Guarantee rates.

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EV Charging Calculator

Compare EV charging costs vs petrol. Calculate home, off-peak, and public charging expenses.

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Holiday Entitlement Calculator

Work out UK statutory holiday entitlement (5.6 weeks) for full-time, part-time, irregular hours and leavers.

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Statutory Sick Pay Calculator

Calculate UK SSP for 2026/27: the lower of £123.25/week or 80% of earnings, paid from day one with no waiting days.

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Maternity Pay Calculator

Calculate UK Statutory Maternity Pay (SMP) for 2026/27: 90% of earnings for 6 weeks, then up to 33 weeks at £194.32.

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Childcare Cost Calculator

Calculate UK childcare costs after free hours entitlement (15/30 hrs), Tax-Free Childcare top-ups, and Universal Credit support. 2025/26 rates.

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US Tools

Sales Tax Calculator

Calculate US sales tax for any state, add tax to a price, or back out the pre-tax price from a tax-included total.

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Auto Loan Calculator

Work out your monthly car payment, total interest and full amortization schedule, including sales tax, trade-in and down payment.

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401(k) Calculator

Project your 401(k) balance at retirement, including employer match, salary growth and investment returns.

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IRA Calculator

Project your Traditional or Roth IRA balance at retirement and compare the after-tax value of each. Includes 2026 IRS contribution limits.

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SEO & Marketing Tools

UTM Link Builder

Build trackable campaign URLs with UTM parameters for GA4, Meta Ads and email - includes presets, validation and QR code export.

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Meta Tag Generator

Generate SEO-optimised meta tags, Open Graph tags, and Twitter Cards with live preview.

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SERP Preview Tool

Preview how your page will appear in Google search results on desktop and mobile devices.

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Robots.txt Generator

Generate valid robots.txt files with common presets for WordPress, Shopify, and custom configs.

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Open Graph Debugger

Check your website's OG meta tags and preview how content appears on social media.

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Keyword Density Checker

Analyse keyword density, word frequency, and get SEO suggestions for your content.

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Fun & Lifestyle Tools

Life Path Number Calculator

Discover your Life Path Number from your date of birth. Explore personality, career, love compatibility, and more.

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Life Manifestor

Set your intentions and manifest your goals. Share with the community or keep them private.

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