📝 Text Tools
Word Counter
Count words, characters & paragraphs.
Case Converter
Uppercase, lowercase & title case.
Character Remover
Remove unwanted characters.
Text Reverser
Reverse text instantly.
Text Diff Comparator
Compare two texts.
Leet Speak Generator
Convert text to 1337 style.
Duplicate Line Remover
Remove duplicate lines from a list.
Word List Compare
Compare two word lists and find missing or common words.
💻 Developer Tools
UUID Generator
Generate random v4 UUIDs in bulk.
Hash Generator
MD5, SHA-1, SHA-256 and SHA-512 hashes.
Base64 Encoder
Encode & decode Base64.
Bcrypt Generator
Generate & verify bcrypt hashes.
JSON Formatter
Validate & prettify JSON.
JSON to CSV
Convert JSON ↔ CSV.
JSON Minifier
Minify & beautify JSON.
JSON Validator
Validate & fix JSON errors.
JWT Decoder
Read a JWT header, payload and expiry dates.
JWT Encoder
Generate & sign JWT tokens.
Regex Tester
Test regular expressions.
CSR Decoder
Decode SSL CSR files.
CRT Decoder
Decode SSL CRT files.
Cron Generator
Generate cron expressions.
HTTP Status Code Lookup
Quickly find HTTP status codes.
PHP password_hash Generator
Generate PHP password_hash / password_verify code.
🌐 Web & Network
What Is My IP
Show your public IP.
URL Encoder
Encode & decode URLs.
QR Code Generator
QR codes for links, text, Wi-Fi and contacts.
Weather Checker
Check city weather.
IDN Converter
Punycode converter for domains.
DNS Checker
Check A, MX, TXT, NS… records with TTL.
Bulk URL Downloader
Turn a list of URLs into a wget, curl, PowerShell or aria2c script.
🎨 Design & Image
Color Picker
Pick colors visually.
HEX ↔ RGB
Convert HEX, RGB(A) and HSL colors.
Gradient Generator
Linear, radial and conic CSS gradients.
Image Compressor
Reduce image size.
Photo Editor
Crop, adjust, filter and resize photos in your browser.
Background Remover
Remove the background of any photo (local AI).
Blur an Image
Blur, pixelate or hide faces, plates and backgrounds, privately in your browser.
AI Image Upscaler
Enlarge an image ×2 or ×4 with AI, privately in your browser.
Favicon Generator
Generate multi-resolution favicons.
Image Placeholder
Generate placeholder images.
Image Watermark
Add a text watermark to your images.
💪 Health & Fitness
🔢 Calculators & Converters
Percentage Calculator
Calculate percentages.
Unit Converter
Length, weight & temp.
Currency Converter
Convert currencies with daily ECB rates.
Time Zone Converter
Convert time zones.
Timestamp Converter
Unix ↔ Date.
VAT & Margin Calculator
HT ↔ TTC, margin, markup and VAT on the margin.
Age Calculator
Calculate exact age.
Net Salary Calculator
Estimate French net salary from gross pay.
💼 Business & Legal
Contract Generator
Indicative service, freelance, consulting and NDA templates.
Quote & Invoice Generator
Create professional printable quotes and invoices in seconds.
Business Model Canvas
Fill in, save and print your one-page business model.
GDPR Compliance Checklist
Check legal and GDPR compliance for websites.
🔎 ID & Number Validators
SIRET & SIREN Validator
Luhn check of French company numbers, VAT number included.
VAT Validator
Check EU VAT numbers, check digit included.
Spanish CIF Validator
Check a Spanish company tax ID and its control character.
CPF & CNPJ Validator
Validate & generate Brazilian CPF/CNPJ, alphanumeric CNPJ included.
French NIR Validator
Check & decode a French social security number, calculate its key.
Spanish DNI / NIE Validator
Calculate the control letter of a Spanish DNI/NIF/NIE and check if it is valid.
Codice Fiscale Validator
Validate, decode & calculate an Italian tax code.
Nordic Business ID Validator
Check Finnish, Swedish, Norwegian and Danish company numbers.
IBAN Validator & Generator
Check IBANs for 89 countries, national keys included.
🧩 Utilities
Password Generator
Random passwords with exact strength in bits.
To-Do List
Manage tasks locally.
Schedule Planner
Plan your schedule.
Lorem Ipsum
Generate placeholder text.
HTML → Markdown
Turn HTML into clean Markdown, tables included.
Markdown → HTML
Turn Markdown into HTML (CommonMark + tables).
GPU & CPU Charts
Compare CPU & GPU benchmarks.
PDF Splitter
Split PDF files.
French Calendar
Public holidays & school vacations in France.
Random Picker Wheel
Spin the roulette to randomly pick names, numbers or items.
Snake Game
Play the classic Snake game in your browser.
Reaction Time Test
How fast are your reflexes? Average over 5 attempts.
Typing Speed Test
Words per minute and accuracy in 15 to 120 s.
World Clock
Real-time clocks for cities around the world.
♠️ Poker Tools
🏠 Real Estate
Mortgage Calculator
Monthly payments and amortization for a French home loan.
Borrowing Capacity Calculator
How much you can borrow in France under HCSF rules.
Notary Fees Calculator
Estimate notary fees for a property purchase in France.
Rental Yield Calculator
Gross and net rental yield and cash flow in France.
French Property Capital Gains Tax
Estimate French property capital gains tax (plus-value immobilière).
🔨 Trades & DIY
Epoxy Resin Calculator
Resin and hardener amounts for a tabletop, mould or river table.
Concrete Mix Calculator
Cement, sand, gravel and water for a slab, footing or post.
Tile, Adhesive & Grout Calculator
Tiles, boxes, adhesive and grout to buy for your rooms.
Paint Calculator
Litres of paint and the best mix of cans for your walls and ceilings.
Drain Slope Calculator
Drop, slope or length for waste pipes, showers, terraces and gutters.
Stair Calculator (Blondel Rule)
Risers, going, pitch and stairwell opening of a straight stair, with a scale drawing.
Cable Size & Voltage Drop Calculator
Cable cross-section, breaker and voltage drop, with French NF C 15-100 circuit tables.
Radiator Power Calculator
Heating power per room and radiator sizes, including low-temperature water systems.
Bolt Torque Calculator
Tightening torque and preload of metric bolts by class and friction, plus a torque converter.
Tyre Size Calculator
Compare tyre sizes, speedometer error and equivalent sizes, with load and speed index tables.
Cut List Optimizer
Cutting plans for sheets and bars with saw kerf, grain direction, offcuts and cost.
Baker's Percentage & Water Temperature
Bread recipe in grams from baker's percentages, and the right water temperature.
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