Developer tools
The everyday helpers you reach for while coding, with no sign-up. Your data, tokens and code are processed locally and are never sent to a server.
32 tools
- Developer
JSON Formatter
Beautify JSON with readable indentation.
- Developer
JSON Validator
Check whether JSON is valid and find the error.
- Developer
JSON Minifier
Strip spaces and line breaks to shrink JSON.
- Developer
XML Formatter
Beautify or minify XML and spot errors.
- Developer
Base64 Encoder
Convert text to Base64 (UTF-8 safe).
- Developer
Base64 Decoder
Turn Base64 back into readable text.
- Developer
URL Encoder
Encode text so it can be used safely in a URL.
- Developer
URL Decoder
Turn %20 and other URL codes into readable text.
- Developer
HTML Formatter
Indent and tidy HTML code for readability.
- Developer
CSS Formatter
Beautify or minify CSS stylesheets.
- Developer
JavaScript Formatter
Indent and tidy minified JavaScript.
- Developer
Hash Generator
Calculate MD5, SHA-1, SHA-256 and SHA-512 of text and files.
- Developer
JWT Decoder
Read the header, payload and expiry of a JWT.
- Developer
Regex Tester
Test regular expressions with live highlighting.
- Developer
Unix Timestamp Converter
Convert Unix timestamps to readable dates and back.
- Developer
Color Converter
Convert colors between HEX, RGB, HSL, HSV and CMYK.
- Developer
HEX to RGB
Convert a hexadecimal color code to RGB.
- Developer
RGB to HEX
Convert RGB values to a hexadecimal color code.
- Images
Favicon Generator
Create favicon.ico and every icon your site needs from an image or letters.
- Images
Image to Base64
Turn an image into Base64 or a data URI for HTML, CSS or JSON.
- Images
Base64 to Image
Decode Base64 or a data URI and download the image.
- Images
Image Color Picker
Get the HEX, RGB or HSL code of any point in an image.
- Text
Text to Slug
Turn titles into clean, friendly URLs.
- Text
Markdown to HTML
Convert Markdown into HTML with a live preview.
- Text
Text Compare
Find the differences between two versions of a text.
- Converters
XML to JSON
Convert XML documents into JSON.
- Converters
JSON to XML
Convert JSON data into an XML document.
- Converters
Number Base Converter
Convert numbers between decimal, binary, octal, hex and more.
- Generators
Password Generator
Create strong, random passwords instantly.
- Generators
UUID Generator
Generate unique UUID v4 and v7, one or thousands at a time.
- Generators
Random String Generator
Create random codes, tokens or coupons in bulk.
- Generators
CSS Gradient Generator
Design linear, radial and conic gradients and copy the CSS.
Other categories
- PDF18 toolsMerge, split, compress, edit and convert PDF documents.
- Images26 toolsCompress, resize, crop and convert photos and images.
- Text21 toolsCount words, change case, clean up and sort text.
- Converters33 toolsConvert data between CSV, JSON, XML and Excel, and numbers between bases.
- Generators12 toolsCreate QR codes, passwords, barcodes, palettes and gradients.
- Audio9 toolsConvert, cut, merge and adjust audio files.
- Video9 toolsConvert, compress, trim and turn videos into GIF or MP3.