120+ tous les outils · 12 catégories

Chaque outil dont vous avez besoin, au même endroit

Plus de 120 utilitaires gratuits qui fonctionnent entièrement dans votre navigateur. Rien n'est envoyé sur un serveur.

120 outils

Word Counter

Count words, characters, sentences, paragraphs and estimated reading time in real time.

Texte

QR Code Generator

Create a QR code from any text, URL or link and download it as a PNG.

QR et code-barres

QR Code Reader

Scan and decode QR codes from an image file or your device camera.

QR et code-barres

WiFi QR Code Generator

Create a QR code that lets guests connect to your WiFi by scanning it.

QR et code-barres

vCard QR Code Generator

Turn your contact details into a scannable vCard QR code.

QR et code-barres

Barcode Generator

Generate barcodes (CODE128, EAN, UPC and more) and download them as SVG.

QR et code-barres

Image Crop

Crop images to a selection right in your browser and download the result.

Image

Image Resize

Resize images to exact dimensions while optionally keeping the aspect ratio.

Image

Image Compressor

Reduce image file size in your browser with adjustable quality.

Image

Image Converter

Convert images between PNG, JPG and WebP formats in your browser.

Image

Rotate & Flip Image

Rotate images by 90° and flip them horizontally or vertically.

Image

Image to Base64

Convert an image into a Base64 data URI you can paste into code.

Image

Base64 to Image

Decode a Base64 string or data URI back into a viewable, downloadable image.

Image

Color Picker from Image

Pick the exact hex color of any pixel in an image.

Image

Image Color Palette

Extract the dominant colors from an image as a hex palette.

Image

Favicon Generator

Generate favicon images in all common sizes from a single image.

Image

Image Watermark

Add a text watermark to an image with adjustable position and opacity.

Image

Random Number Generator

Generate random numbers in any range, with optional unique values.

Aléatoire et décision

Dice Roller

Roll any number of dice with a custom number of sides.

Aléatoire et décision

Coin Flip

Flip a virtual coin and track heads/tails counts.

Aléatoire et décision

Wheel of Names (Spinner)

Spin a customizable wheel to randomly pick a name or entry.

Aléatoire et décision

Random Picker

Pick a random item from a list you paste.

Aléatoire et décision

Random Team Generator

Split a list of names into balanced random teams.

Aléatoire et décision

Random Color Generator

Generate random hex colors and copy them with one click.

Aléatoire et décision

Yes or No Wheel

Get a random yes, no or maybe answer to any question.

Aléatoire et décision

List Randomizer

Shuffle a list of lines into a random order.

Aléatoire et décision

Random Date Generator

Generate a random date between two dates.

Aléatoire et décision

Case Converter

Convert text between UPPER, lower, Title, camelCase, snake_case and more.

Texte

Lorem Ipsum Generator

Generate placeholder lorem ipsum paragraphs for mockups.

Texte

Text Diff Checker

Compare two texts and highlight added and removed lines.

Texte

Remove Duplicate Lines

Delete duplicate lines from text, keeping the first occurrence.

Texte

Slugify (URL Slug Generator)

Turn any text into a clean, URL-friendly slug.

Texte

Reverse Text

Reverse text by characters, words or lines.

Texte

Find and Replace

Find and replace text, with optional regex and case-insensitive matching.

Texte

Unit Converter

Convert length, weight, area, volume and speed between units.

Convertisseurs

Temperature Converter

Convert temperatures between Celsius, Fahrenheit and Kelvin.

Convertisseurs

Color Converter (HEX/RGB/HSL)

Convert colors between HEX, RGB and HSL and preview them live.

Convertisseurs

Number Base Converter

Convert numbers between binary, octal, decimal and hexadecimal.

Convertisseurs

Roman Numeral Converter

Convert between Arabic numbers (1–3999) and Roman numerals.

Convertisseurs

Byte Size Converter

Convert between B, KB, MB, GB, TB and PB.

Convertisseurs

Time Zone Converter

Convert a date and time from one time zone to another.

Convertisseurs

World Clock

See the current time across major cities and time zones.

Date et heure

Countdown Timer

Set a countdown timer with start, pause and reset.

Date et heure

Stopwatch

A precise stopwatch with lap times.

Date et heure

Age Calculator

Calculate your exact age in years, months and days.

Date et heure

Date Difference Calculator

Find the difference between two dates in years, months and days.

Date et heure

Unix Timestamp Converter

Convert Unix timestamps to human-readable dates and back.

Date et heure

Pomodoro Timer

Focus with 25-minute work sessions and 5-minute breaks.

Date et heure

Days Between Dates

Count the number of days between two dates.

Date et heure

Week Number Calculator

Find the ISO 8601 week number for any date.

Date et heure

JSON Formatter

Format, beautify and minify JSON with validation.

Développeur

JSON Validator

Validate JSON and see the exact syntax error.

Développeur

JSON to CSV

Convert a JSON array of objects into CSV.

Développeur

CSV to JSON

Convert CSV into a JSON array of objects.

Développeur

YAML to JSON

Convert YAML into formatted JSON.

Développeur

JSON to YAML

Convert JSON into YAML.

Développeur

XML Formatter

Pretty-print XML with indentation.

Développeur

SQL Formatter

Format and beautify SQL queries.

Développeur

Regex Tester

Test regular expressions against sample text.

Développeur

Cron Expression Parser

Translate cron expressions into plain English.

Développeur

Markdown Preview

Write Markdown and see a sanitized live preview.

Développeur

HTML Minifier

Minify HTML by removing comments and whitespace.

Développeur

CSS Minifier

Minify CSS by removing comments and whitespace.

Développeur

JavaScript Minifier

Basic JS minify — remove comments and blank lines.

Développeur

Diff Checker

Compare two texts and see added/removed lines with counts.

Développeur

Base64 Encode / Decode

Encode text to Base64 or decode Base64 to text.

Encodage et crypto

URL Encode / Decode

Percent-encode or decode URL components.

Encodage et crypto

HTML Entity Encode / Decode

Escape or unescape HTML entities.

Encodage et crypto

JWT Decoder

Decode a JWT to view its header and payload.

Encodage et crypto

Hash Generator

Generate MD5, SHA-1, SHA-256 and SHA-512 hashes.

Encodage et crypto

UUID Generator

Generate random UUID v4 identifiers.

Encodage et crypto

Password Generator

Generate strong random passwords with custom rules.

Encodage et crypto

Bcrypt Hash Generator

Hash text with bcrypt at a chosen cost factor.

Encodage et crypto

Percentage Calculator

Calculate percentages, percentage-of, and percentage change.

Calculatrices

BMI Calculator

Calculate Body Mass Index from weight and height.

Calculatrices

Loan Calculator

Calculate monthly loan payments, total interest and total paid.

Calculatrices

Tip Calculator

Calculate a tip and split the bill between people.

Calculatrices

Discount Calculator

Calculate the sale price and amount saved.

Calculatrices

Aspect Ratio Calculator

Reduce width and height to a simplified aspect ratio.

Calculatrices

GPA Calculator

Calculate a credit-weighted grade point average.

Calculatrices

Scientific Calculator

Evaluate math expressions with functions and constants.

Calculatrices

Merge PDF

Combine multiple PDF files into one.

PDF

Split PDF

Extract a page range from a PDF into a new file.

PDF

PDF to Image

Convert PDF pages into downloadable PNG images.

PDF

Image to PDF

Combine JPG/PNG images into a single PDF.

PDF

Meta Tag Generator

Generate SEO meta tags for your web page.

Web et SEO

Open Graph Preview

Preview and generate Open Graph social tags.

Web et SEO

UTM Link Builder

Build campaign URLs with UTM parameters.

Web et SEO

robots.txt Generator

Generate a robots.txt file for your site.

Web et SEO

Sitemap XML Generator

Generate a sitemap.xml from a list of URLs.

Web et SEO

Online Notepad

A simple notepad that autosaves in your browser.

Divers

Color Blindness Simulator

Preview an image as seen with color vision deficiencies.

Divers

JSON Diff

Compare two JSON objects and see what changed.

Développeur

JSON to TypeScript

Generate TypeScript interfaces from a JSON sample.

Développeur

URL Parser

Break a URL into its parts and query parameters.

Développeur

String Escaper

Escape or unescape text for JSON and JavaScript strings.

Développeur

CSV to Markdown Table

Convert CSV data into a Markdown table.

Développeur

Remove Accents

Strip accents and diacritics from text (Vietnamese friendly).

Texte

Word Frequency Counter

Count how often each word appears in your text.

Texte

Text Line Sorter

Sort lines alphabetically, by length, or reverse them.

Texte

Whitespace Cleaner

Trim lines, collapse spaces and remove blank lines.

Texte

Text Repeater

Repeat text a number of times with a chosen separator.

Texte

Placeholder Image Generator

Create a solid-color placeholder image with custom size and text.

Image

SVG to PNG

Convert SVG markup to a raster PNG at any scale.

Image

Meme Generator

Add top and bottom captions to an image, meme-style.

Image

Add Image Border

Add a solid colored border or frame around an image.

Image

Round Image Corners

Add rounded corners to an image with transparency.

Image

Compound Interest Calculator

Project savings growth with compounding and contributions.

Calculatrices

Savings Goal Calculator

See how many months to reach a savings target.

Calculatrices

VAT Calculator

Add or remove VAT/GST from an amount.

Calculatrices

BMR & Calorie Calculator

Estimate BMR and daily calories (TDEE).

Calculatrices

Unit Price Comparison

Compare price per unit to find the best value.

Calculatrices

JSON Minifier

Compress JSON by removing whitespace.

Développeur

Query String Builder

Build a URL with encoded query parameters.

Développeur

Morse Code Translator

Translate text to and from Morse code.

Texte

NATO Phonetic Alphabet

Spell text using the NATO phonetic alphabet.

Texte

Grayscale & Sepia

Convert an image to grayscale or sepia.

Image

Pixelate Image

Add a pixelated / mosaic effect to an image.

Image

Simple Interest Calculator

Calculate simple interest and total amount.

Calculatrices

Fuel Cost Calculator

Estimate the fuel cost of a trip.

Calculatrices