Welcome to Free Online Tools
Free, fast, and easy-to-use online tools to make your life easier.
File Conversion Tools
XML to JSON Converter
Convert XML data to JSON format for easy data processing in JavaScript applications.
Use ToolPDF Merger
Combine multiple PDF files into one document online for free. Merge up to 10 PDFs quickly and easily.
Use ToolPDF to Word Converter
Convert PDF files to Word documents (.docx) online for free. Extract text from PDFs and save as editable Word format.
Use ToolPDF to Image Converter
Convert PDF pages to high-quality PNG or JPEG images. Process PDFs entirely in your browser.
Use ToolImage to PDF Converter
Combine multiple images into a single PDF document. Supports JPG, PNG, GIF, and WebP formats.
Use ToolPDF Splitter
Extract specific pages from PDF files. Select individual pages, ranges, or odd/even pages.
Use ToolPDF Compressor
Reduce PDF file size with three compression levels. Client-side processing for privacy.
Use ToolImage Tools
Text Tools
Audio Tools
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.
Use ToolColour Picker
Find the perfect colour for your web design with our interactive colour picker tool.
Use ToolFavicon Generator
Generate favicons in all required sizes from a single image. Create ICO, PNG, and Apple Touch icons.
Use ToolAspect 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.
Use ToolDeveloper Tools
UUID Generator
Generate UUID v1, v4, v7, or nil UUIDs in bulk. Multiple formats including hyphenated, braces, and Base64.
Use ToolMarkdown to HTML
Convert Markdown to clean HTML with live preview. Supports tables, code blocks and task lists. Runs entirely in your browser.
Use ToolURL Encoder/Decoder
Encode or decode URLs and query parameters. Supports component and full URL encoding modes.
Use ToolBase64 Encoder/Decoder
Encode text to Base64 or decode Base64 strings. Supports UTF-8 and URL-safe encoding.
Use ToolHash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text. Useful for checksums and data integrity.
Use ToolJWT Decoder
Decode and inspect JSON Web Tokens. View header, payload, claims, and check expiry status.
Use ToolUnix Epoch Converter
Convert Unix timestamps to human-readable dates and vice versa. Supports multiple timezones.
Use ToolNumber Base Converter
Convert numbers between binary, decimal, hexadecimal, and octal bases instantly.
Use ToolText Diff Tool
Compare two texts side-by-side and highlight differences. Useful for code review and document comparison.
Use ToolDNS Lookup
Query DNS records for any domain. View A, AAAA, MX, TXT, NS, CNAME, and SOA records.
Use ToolWHOIS Lookup
Look up domain registration information including registrar, creation date, and nameservers.
Use ToolSSL Certificate Checker
Check SSL certificate details, expiry dates, and issuer information for any website.
Use ToolUtility Tools
Pomodoro Timer
Boost focus with a customisable Pomodoro timer — configurable work, short break and long break intervals.
Use ToolAge Calculator
Calculate your exact age in years, days, seconds, and discover fun animal age comparisons!
Use ToolCooking Measurement Converter
Convert cups, tablespoons, grams and ounces for flour, sugar, butter and 20+ common ingredients.
Use ToolRandom Number Generator
Generate random integers or decimals for raffles, lotteries and games. Unique-only and sort options included.
Use ToolRoman Numeral Converter
Convert numbers to Roman numerals and back. Supports values up to 3,999,999 with vinculum notation.
Use ToolWhat's My IP Address?
Discover your IP address and get detailed information about your internet connection.
Use ToolSecurity Header Checker
Check website security headers and get recommendations to improve your website's security posture.
Use ToolInvoice Generator
Create professional invoices with your business details, line items, and VAT. Export to PDF.
Use ToolList Randomiser
Shuffle any list into random order. Perfect for standups, team assignments, and raffles.
Use ToolCompetition Picker
Pick a random winner with an exciting spinning wheel animation and confetti celebration!
Use ToolRubik's Cube Solver
Interactive 3D cube solver. Enter your cube's colours and get step-by-step solving instructions.
Use ToolYouTube Thumbnail Downloader
Download thumbnails from any YouTube video in all available sizes including HD.
Use ToolPercentage Calculator
Calculate percentages easily. Find percentage of a number, increase/decrease, and percentage difference.
Use ToolTip Calculator
Calculate tips and split bills between multiple people. Supports custom tip percentages.
Use ToolDiscount Calculator
Calculate sale prices after discounts. Supports multiple discounts and VAT calculations.
Use ToolTimezone Converter
Convert times between different timezones. Includes all major world timezones with DST support.
Use ToolGPA Calculator
Calculate your weighted Grade Point Average on the US 4.0 scale with plus/minus grades and cumulative GPA.
Use ToolGrade 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.
Use ToolDate Difference Calculator
Calculate days, weeks, months and years between two dates, or add/subtract days from any date. Includes working-day count.
Use ToolSpeed 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.
Use ToolHealth Tools
TDEE Calculator
Calculate your Total Daily Energy Expenditure and BMR using Mifflin-St Jeor. See calorie targets for cutting, maintenance and bulking.
Use ToolCalorie 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.
Use ToolBody Fat Calculator
Estimate body fat percentage using the US Navy tape measure method. Includes BMI, fat mass, lean mass and category.
Use ToolOvulation Calculator
Estimate your ovulation date, fertile window and next period based on your cycle length and luteal phase.
Use ToolBlood 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.
Use ToolWater Intake Calculator
Estimate your recommended daily water intake based on weight, exercise, climate and pregnancy. Results in litres, pints and glasses.
Use ToolCentor Calculator
Assess the likelihood of streptococcal infection in patients with sore throat.
Use ToolFeverPAIN Calculator
Calculate FeverPAIN score to guide sore throat management and antibiotic prescribing decisions.
Use ToolHAS-BLED Calculator
Assess bleeding risk in patients on anticoagulation therapy for atrial fibrillation.
Use ToolCURB-65 Calculator
Calculate pneumonia severity score to guide hospital admission and antibiotic treatment decisions.
Use ToolBody Surface Area Calculator
Calculate body surface area (BSA) using different formulas for medication dosing and clinical assessments.
Use ToolCreatinine Clearance Calculator
Calculate kidney function using Cockcroft-Gault, MDRD, and CKD-EPI formulas for UK healthcare professionals.
Use ToolGlasgow Coma Scale Calculator
Assess neurological status with the GCS scoring system - the standard tool for healthcare professionals in the UK.
Use ToolMUST Calculator
Calculate Malnutrition Universal Screening Tool (MUST) scores to identify adults at risk of malnutrition.
Use ToolMELD Score Calculator
Calculate MELD scores to assess liver disease severity and determine transplant priority using laboratory values.
Use ToolPregnancy Calculator Suite
Comprehensive pregnancy tools including due date calculator, gestational age tracker, and weight gain guidance.
Use ToolFRAX Fracture Risk Calculator
Calculate 10-year hip fracture and major osteoporotic fracture risk using the WHO FRAX assessment tool.
Use ToolNEWS2 Calculator
Calculate National Early Warning Score 2 (NEWS2) - the UK standard for assessing acute illness severity.
Use ToolWells DVT Calculator
Calculate pretest probability of deep vein thrombosis (DVT) using the Wells criteria to guide diagnostic decisions.
Use ToolWells PE Calculator
Calculate pretest probability of pulmonary embolism (PE) using the Wells criteria to guide diagnostic decisions.
Use ToolRockwood Frailty Scale
Assess frailty in elderly patients using the widely recognized Clinical Frailty Scale (CFS).
Use ToolQRISK3 Calculator
Calculate 10-year risk of heart attack and stroke using the QRISK3 algorithm.
Use ToolCHA₂DS₂-VASc Calculator
Assess stroke risk in atrial fibrillation to guide anticoagulation decisions.
Use TooleGFR Calculator
Calculate estimated Glomerular Filtration Rate using the CKD-EPI 2021 equation for kidney function assessment.
Use ToolPHQ-9 & GAD-7 Calculator
Screen for depression and anxiety using validated PHQ-9 and GAD-7 questionnaires with NHS resources.
Use Tool4AT Delirium Assessment
Rapid bedside delirium screening tool recommended by NICE NG97 for detecting delirium in clinical settings.
Use ToolABCD² Stroke Risk Score
Estimate short-term stroke risk after TIA using the ABCD² score as recommended by NICE NG128.
Use ToolChild-Pugh Score Calculator
Assess chronic liver disease severity and cirrhosis prognosis using the Child-Pugh classification.
Use ToolFIB-4 Index Calculator
Non-invasive liver fibrosis assessment using age and routine blood tests. Recommended by NICE NG49.
Use ToolAPGAR Score Calculator
Assess newborn condition at 1 and 5 minutes after birth using the standardised APGAR scoring system.
Use ToolHEART Score Calculator
Risk stratify chest pain patients in the ED. Predicts 6-week MACE risk to guide discharge decisions.
Use ToolPSI/PORT Score Calculator
Calculate pneumonia severity index for community-acquired pneumonia to guide site-of-care decisions.
Use ToolPERC Rule Calculator
Apply PERC criteria to safely exclude PE in low-risk patients without D-dimer testing.
Use ToolOttawa Ankle Rules
Determine if X-ray is needed for ankle or midfoot injuries. Validated clinical decision rule.
Use ToolOttawa Knee Rules
Determine if X-ray is needed for acute knee injuries. Near 100% sensitivity for fractures.
Use ToolPEWS Calculator
Calculate Paediatric Early Warning Score to identify children at risk of clinical deterioration.
Use ToolPaediatric GCS Calculator
Age-appropriate Glasgow Coma Scale assessment for infants and children with modified verbal criteria.
Use ToolUK-WHO Growth Centile Calculator
Calculate growth centiles for children using UK-WHO growth charts. Weight, height, BMI and head circumference.
Use ToolTIMI Risk Score Calculator
Calculate TIMI scores for STEMI and NSTEMI/UA to guide treatment decisions in acute coronary syndrome.
Use ToolGRACE Score Calculator
GRACE score for ACS risk stratification. Predicts in-hospital and 6-month mortality. NICE recommended.
Use ToolDuke Criteria Calculator
Modified Duke Criteria for diagnosis of infective endocarditis. Classifies definite, possible, or rejected IE.
Use ToolRCRI Calculator
Revised Cardiac Risk Index (Lee Index) for perioperative cardiac risk assessment before non-cardiac surgery.
Use ToolAKI Staging Calculator
Classify Acute Kidney Injury severity using KDIGO criteria. Stage 1-3 based on creatinine rise and urine output.
Use ToolFENa Calculator
Calculate Fractional Excretion of Sodium and Urea to differentiate pre-renal AKI from intrinsic renal failure.
Use ToolGlasgow-Blatchford Score
Calculate upper GI bleeding risk. Identifies patients needing intervention vs safe for outpatient management.
Use ToolRockall Score Calculator
Predict mortality and rebleeding risk in upper GI haemorrhage. Pre-endoscopy and complete scores.
Use ToolNAFLD Fibrosis Score
Non-invasive assessment of liver fibrosis in NAFLD/MASLD patients using routine clinical parameters.
Use ToolShock Index Calculator
Calculate Shock Index, Modified SI, and Age-SI for early identification of haemodynamic instability.
Use ToolSOFA Score Calculator
Sequential Organ Failure Assessment for ICU patients. Predicts mortality in sepsis and critical illness.
Use ToolqSOFA Calculator
Quick SOFA for bedside sepsis screening outside ICU. Identifies patients at risk of poor outcomes.
Use ToolAPACHE II Calculator
Acute Physiology and Chronic Health Evaluation II for ICU mortality prediction within first 24 hours.
Use ToolCanadian C-Spine Rule
Determine if cervical spine imaging is required after blunt trauma using this validated 3-step clinical algorithm.
Use ToolNEXUS Criteria Calculator
Apply NEXUS low-risk criteria for cervical spine clearance. Simple 5-criteria decision tool for c-spine imaging.
Use ToolCauda Equina Checklist
Assess red flag symptoms for Cauda Equina Syndrome. Urgent identification of this neurosurgical emergency.
Use ToolBishop Score Calculator
Assess cervical favourability for labour induction using the Bishop scoring system.
Use ToolMEOWS Calculator
Modified Early Obstetric Warning Score for identifying deteriorating pregnant or postpartum women.
Use ToolFetal Weight Calculator
Estimate fetal weight using the Hadlock formula from ultrasound biometry measurements.
Use ToolMacro Calculator
Calculate daily calories (TDEE) and macronutrient targets (protein, carbs, fat) for fat loss, maintenance or muscle gain.
Use ToolRunning 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.
Use ToolSleep Cycle Calculator
Find the best bedtime or wake-up time based on 90-minute sleep cycles to wake refreshed instead of groggy.
Use ToolOne-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.
Use ToolFinance Tools
Mortgage Overpayment Calculator
See how regular or one-off mortgage overpayments cut years off your term and save thousands in interest.
Use ToolPay Rise Calculator
Calculate the impact of a pay rise on annual, monthly and hourly pay, and check it against UK inflation.
Use ToolMarriage Allowance Calculator
Check if you qualify for UK Marriage Allowance and see how much tax you could save — including backdating up to 4 years.
Use ToolSalary Converter
Convert between annual, monthly, weekly, daily and hourly salary with custom hours and working days.
Use ToolMortgage Repayment Calculator
Work out monthly UK mortgage repayments, total interest, and see how overpayments cut your term and interest.
Use ToolLoan-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.
Use ToolNet Worth Calculator
Add up your UK assets and debts to see your net worth, debt-to-asset ratio and a clear financial snapshot.
Use ToolStatutory Redundancy Pay Calculator
Calculate UK statutory redundancy pay by age and service. Includes 2025/26 £719 weekly cap and notice pay.
Use ToolTake Home Pay Calculator
Calculate your net take-home pay after taxes, National Insurance, pension, and student loan deductions.
Use ToolCapital Gains Tax Calculator
Calculate your Capital Gains Tax liability on property, shares, and other assets.
Use ToolDebt Repayment Calculator
Create a debt payoff plan and see how different strategies can help you become debt-free sooner.
Use ToolEmergency Fund Calculator
Calculate how much money you should save for emergencies based on your personal financial situation.
Use ToolBuy-to-Let Calculator
Calculate the total cash needed to purchase a buy-to-let property in the UK.
Use ToolSavings Goal Calculator
Calculate how much you need to save regularly to reach your financial goals.
Use ToolInflation Calculator
Calculate the impact of inflation on your money over time using historical UK inflation rates.
Use ToolMortgage Affordability Calculator
Calculate how much house you can afford based on your income, expenses, and UK mortgage rules.
Use ToolPension Calculator
Plan your retirement and estimate how much you need to save for a comfortable retirement income.
Use ToolRemortgage Savings Calculator
Calculate potential savings from remortgaging your property, comparing your current mortgage with new deals.
Use ToolBudget Planner
Plan your monthly budget, categorize expenses, and visualize your spending patterns.
Use ToolVAT Calculator
Add or remove VAT from prices using standard UK rates. Perfect for businesses and invoicing.
Use ToolProfit Margin Calculator
Calculate gross and net profit margins, convert between markup and margin, and find break-even prices.
Use ToolCompound Interest Calculator
Calculate investment growth with compound interest over time. Visualize your wealth building.
Use ToolStudent Loan Calculator
Calculate UK student loan repayments for Plan 1, 2, 4, 5 and Postgraduate loans.
Use ToolSelf-Assessment Tax Calculator
Calculate your UK Self-Assessment tax liability including Income Tax and National Insurance.
Use ToolDividend Tax Calculator
Calculate UK dividend tax on company dividends with the £500 tax-free allowance.
Use ToolInheritance Tax Calculator
Calculate UK Inheritance Tax liability with nil-rate bands, spouse exemptions, and taper relief.
Use ToolISA Calculator
Calculate tax-free ISA growth and compare Cash ISA vs Stocks & Shares ISA returns.
Use ToolSalary Sacrifice Calculator
Calculate tax and NI savings from salary sacrifice for pensions, EVs, and cycle to work.
Use ToolLease vs Buy Calculator
Compare the total cost of leasing vs buying a vehicle including all running costs and BIK tax.
Use ToolR&D Tax Credit Calculator
Calculate R&D tax credits for UK companies. Includes SME relief, RDEC, and merged scheme rates.
Use ToolCurrency Converter
Convert between 150+ world currencies with live exchange rates. Updated daily.
Use ToolStock Profit Calculator
Calculate stock trading profit/loss with fees and UK Capital Gains Tax estimates.
Use ToolDividend Yield Calculator
Calculate dividend yield, annual income, and investment needed for target monthly income.
Use ToolFIRE Calculator
Plan your Financial Independence and Early Retirement with the 4% safe withdrawal rule.
Use ToolCredit Card Payoff Calculator
See how long it takes to pay off credit card debt. Avoid the minimum payment trap.
Use ToolBusiness Mileage Calculator
Calculate HMRC-approved mileage allowances for business travel.
Use ToolPersonal Loan Calculator
Calculate UK personal loan repayments, total interest and full amortisation schedule. Includes optional extra payments.
Use ToolSmall Business Tools
Profit Margin Calculator
Calculate gross and net profit margins, convert between markup and margin, and find break-even prices.
Use ToolBreak-Even Calculator
Calculate your break-even point in units and revenue with visualisation charts.
Use ToolBusiness Loan Calculator
Calculate monthly repayments, total interest, and view amortisation schedules for business loans.
Use ToolCash Flow Forecast
Create 12-month cash flow projections with income and expense categories. Export to CSV.
Use ToolHourly Rate Calculator
Calculate your freelance hourly rate based on desired income, expenses, and billable hours.
Use ToolQuote Generator
Create professional quotes with line items, VAT calculations, and PDF export.
Use ToolPayment Terms Calculator
Calculate invoice due dates and UK statutory late payment interest charges.
Use ToolVAT Return Calculator
Calculate VAT Return boxes 1-9 for Making Tax Digital. Supports standard and flat rate schemes.
Use ToolPrivacy Policy Generator
Generate a free GDPR and UK-compliant privacy policy for your website. Download as HTML, TXT, or DOCX.
Use ToolTerms & Conditions Generator
Generate UK-compliant terms and conditions for your website or business. Customise for e-commerce, SaaS, and services.
Use ToolTimesheet Calculator
Free weekly timesheet / time card calculator. Total hours, breaks, overtime and pay – supports overnight shifts and rounding.
Use ToolProperty Tools
Paint Calculator
Work out how much paint you need for a room. Accounts for doors, windows, coats and tin sizes with cost estimate.
Use ToolDomestic EPC Calculator
Estimate your property's EPC rating and get suggestions for improvements.
Use ToolHMO License Checker
Determine if your property requires an HMO license based on your local council's requirements.
Use ToolRenovation ROI Calculator
Calculate the potential return on investment for different home improvements.
Use ToolBuy vs Rent Calculator
Compare the true cost of buying vs renting a property in the UK. Includes stamp duty and wealth accumulation.
Use ToolDeveloper Tools
JavaScript Obfuscator
Protect your JavaScript code by making it harder to read and understand while maintaining functionality.
Use ToolJSON Formatter
Format, validate, and beautify JSON data with syntax highlighting and tree view.
Use ToolRegex Tester
Test and debug regular expressions in real-time with match highlighting and pattern library.
Use ToolEveryday 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.
Use ToolEnergy Bill Calculator
Calculate your UK energy costs using Ofgem price cap rates. Estimate electricity and gas bills.
Use ToolCouncil Tax Estimator
Estimate your council tax band and annual bill based on property value in England.
Use ToolFuel Cost Calculator
Calculate the fuel cost for your journey based on distance, fuel efficiency, and current UK prices.
Use ToolMinimum Wage Calculator
Calculate UK National Minimum/Living Wage for 2025/26 based on age and hours worked.
Use ToolChild Benefit Calculator
Calculate UK Child Benefit payments and High Income Child Benefit Charge (HICBC) for 2025/26.
Use ToolDriving Licence Age Calculator
Find out when you can apply for a provisional licence and take driving tests in the UK.
Use ToolSolar Panel Calculator
Calculate solar panel savings, ROI, and payback period for UK homes. Includes Smart Export Guarantee rates.
Use ToolEV Charging Calculator
Compare EV charging costs vs petrol. Calculate home, off-peak, and public charging expenses.
Use ToolHoliday Entitlement Calculator
Work out UK statutory holiday entitlement (5.6 weeks) for full-time, part-time, irregular hours and leavers.
Use ToolStatutory 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.
Use ToolMaternity 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.
Use ToolChildcare 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.
Use ToolUS 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.
Use ToolAuto Loan Calculator
Work out your monthly car payment, total interest and full amortization schedule, including sales tax, trade-in and down payment.
Use Tool401(k) Calculator
Project your 401(k) balance at retirement, including employer match, salary growth and investment returns.
Use ToolIRA Calculator
Project your Traditional or Roth IRA balance at retirement and compare the after-tax value of each. Includes 2026 IRS contribution limits.
Use ToolSEO & 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.
Use ToolMeta Tag Generator
Generate SEO-optimised meta tags, Open Graph tags, and Twitter Cards with live preview.
Use ToolSERP Preview Tool
Preview how your page will appear in Google search results on desktop and mobile devices.
Use ToolRobots.txt Generator
Generate valid robots.txt files with common presets for WordPress, Shopify, and custom configs.
Use ToolOpen Graph Debugger
Check your website's OG meta tags and preview how content appears on social media.
Use ToolKeyword Density Checker
Analyse keyword density, word frequency, and get SEO suggestions for your content.
Use Tool