All tools
97 tools and counting. Every one is free to try — register to save your work.
Word Counter
Live word, character & reading-time counts with writing analytics.
Age Calculator
Your exact age in years, months, days — plus a birthday countdown.
BMI Calculator
Body Mass Index with a healthy-range chart and clear guidance.
Password Generator
Strong, random passwords with a crack-time estimate — generated locally.
QR Code Generator
Custom QR codes with colors — download PNG or SVG, no expiry.
Background Remover
Remove image backgrounds in one click — free, HD, on your device.
Case Converter
Convert text to 13 cases at once — Title, camelCase, snake_case & more.
JSON Formatter
Beautify, minify & validate JSON — with one-click auto-repair.
Base64 Encode / Decode
Encode & decode Base64 — text or files, URL-safe, with image preview.
Hash Generator
SHA-1/256/384/512 for text or files — plus one-click hash verify.
URL Encoder / Decoder
Encode & decode URLs — plus a live query-parameter breakdown.
Color Converter
HEX ↔ RGB ↔ HSL with WCAG contrast checker + shades & tints.
Unit Converter
Convert length, weight, temperature & more — every unit at once.
Lorem Ipsum Generator
Placeholder text in 4 flavors — classic, hipster, tech & corporate.
Percentage Calculator
Every percentage question — of, is-what-%, change, add/subtract.
Loan & EMI Calculator
Monthly payment, total interest & full amortization schedule.
Tip Calculator
Tip, total & split-the-bill per person — with round-up.
Timestamp Converter
Unix ↔ human date, both ways, with a live clock & relative time.
Markdown to HTML
Live Markdown preview + clean, copy-ready HTML side by side.
Text Diff Checker
Compare two texts, highlight changes & get a similarity score.
BMR Calculator
Your resting metabolism (Mifflin-St Jeor) + maintenance calories.
Calorie Calculator
Daily calories to maintain, lose or gain weight — with goal targets.
Water Intake Calculator
How much water to drink daily — from weight, activity & climate.
Body Fat Calculator
Estimate body-fat % with the US Navy tape method — no scale needed.
Ovulation Calculator
Ovulation day, fertile window & your next periods.
Sleep Cycle Calculator
The best time to sleep or wake — timed to 90-min cycles.
One-Rep Max Calculator
Estimate your 1RM + a full %-of-max training chart.
Macro Calculator
Turn a calorie target into protein, carb & fat grams.
Running Pace Calculator
Pace per km/mile + projected 5K, 10K, half & marathon times.
TDEE Calculator
Total daily energy expenditure — the calories you actually burn.
Calorie Deficit Calculator
Daily calories & timeline to reach your goal weight safely.
Heart Rate Zone Calculator
Your 5 training zones from age (+ resting HR for accuracy).
Profit Margin Calculator
Gross profit, margin % and markup % from price and cost.
Break-even Calculator
How many units to sell to cover your costs.
ROI Calculator
Return on investment %, net profit & annualized return.
Markup & Pricing Calculator
Set the right selling price from cost + target margin.
Sales Tax & VAT Calculator
Add or remove sales tax / VAT from any amount.
Cash Runway Calculator
How many months of cash you have left — and when it runs out.
Freelance Rate Calculator
The hourly rate you must charge to hit your income goal.
Invoice Generator
Make a clean invoice and download it as a PDF — no signup.
Project Quote Estimator
Price a project from tasks + rate, with a safety buffer & PDF.
Freelance Time Tracker
One-tap start/stop timers that turn hours into billable dollars.
Self-Employment Tax Calculator
See what to set aside each quarter so tax season never stings.
Freelance Contract Generator
A fair, plain-English client contract you can send in minutes.
Readability Checker
Flesch score, grade level and instant tips to write clearer.
Headline Analyzer
Score your headline and get instant tips to earn more clicks.
Pomodoro Timer
Focus in 25-minute sprints with automatic breaks and a chime.
Countdown Timer
Count down to any date — launches, birthdays, deadlines.
To-Do List
A fast, private checklist with drag-to-reorder and progress.
Habit Tracker
Tick off daily habits and watch your streaks catch fire.
Decision Wheel
Can't decide? Add your options and let the wheel pick.
Meeting Cost Calculator
See what a meeting really costs — with a live money meter.
Color Contrast Checker
Check WCAG contrast so your text is readable by everyone.
CSS Gradient Generator
Design a gradient visually and copy the CSS in one click.
Color Palette Generator
Turn one colour into a harmonious 5-colour palette.
Body Shape Calculator
Find your body shape and get styling tips that flatter it.
Clothing Size Converter
Convert US, UK, EU and IT/AU clothing sizes instantly.
Bra Size Calculator
Two measurements, your US/UK/EU size and a fit tip.
Shoe Size Converter
US, UK, EU and CM shoe sizes for women and men.
Capsule Wardrobe Planner
See how many outfits a few mix-and-match pieces create.
Outfit Generator
Beat 'nothing to wear' — instant outfit ideas by occasion.
Skin Undertone Finder
Warm, cool or neutral? A quick quiz settles it.
Skin Type Quiz
Oily, dry, combo, normal or sensitive — plus a routine.
Color Season Analysis
Spring, Summer, Autumn or Winter — find your best colours.
Skincare Routine Order
Tick your products, get the right order for AM and PM.
Skincare Ingredient Checker
Which actives clash? Check before you layer them.
Foundation Shade Finder
Undertone + depth = your foundation shade family.
PDF Reader
Open and read any PDF in your browser — private, no upload.
Merge PDF
Combine PDFs into one — reorder pages, download instantly.
Split PDF
Pull out the pages you need into a fresh PDF.
Images to PDF
Turn JPGs and PNGs into a single PDF — reorder as you like.
PDF to Images
Render each PDF page to a crisp PNG you can download.
Rotate PDF
Fix sideways or upside-down PDF pages and download.
Image Resizer
Resize photos by pixels or percentage, aspect-locked.
Image Compressor
Shrink image file size with a live quality preview.
Image Cropper
Crop photos with drag handles and aspect-ratio presets.
Image Format Converter
Convert between PNG, JPG and WebP in a click.
Rotate & Flip Image
Straighten, rotate or mirror an image and download.
Image Color Picker
Grab exact hex colors from any photo or screenshot.
Discount Calculator
Sale price, savings and tax — worked out instantly.
Email Signature Generator
A clean, professional email signature you can paste anywhere.
UTM Link Builder
Build trackable campaign URLs for Google Analytics.
ROAS Calculator
Return on ad spend, ACoS and break-even in one view.
CAC & LTV Calculator
Customer acquisition cost vs lifetime value — is it healthy?
Conversion Rate Calculator
Conversion %, revenue per visitor and what-if targets.
Bill Splitter
Split the bill with tip — fairly, in seconds.
GPA Calculator
Add your courses and grades — get your GPA instantly.
Final Grade Calculator
What score do you need on the final to hit your goal?
Date Difference Calculator
Days, weeks, months and years between two dates.
Time Zone Meeting Planner
Find a meeting time that works across time zones.
Fuel Cost Calculator
What a trip costs in fuel — split it with passengers.
Online Notepad
A distraction-free notepad that autosaves in your browser.
Find & Replace Text
Bulk find and replace — with regex and live match count.
Remove Line Breaks
Clean up messy line breaks and spacing in one click.
Remove Duplicate Lines
Dedupe any list — case options, trim and sort included.
Sort & Alphabetize Lines
Alphabetize, sort numerically, reverse or shuffle any list.
Social Character Counter
Live character limits for every platform at once.