Developer Tools
Format data, encode values, test expressions and create handy development snippets.
These tools are grouped together so related tasks are easy to find. Choose any card to open its focused workspace.
JSON Formatter
Format JSON into a readable, indented structure.
JSON Validator
Check whether a JSON string is valid and see parsing errors clearly.
JSON Minifier
Remove unnecessary JSON whitespace to create a compact result.
XML Formatter
Format XML with readable line breaks and indentation-friendly output.
XML Validator
Check basic XML syntax using the browser DOM parser.
XML Minifier
Create a compact XML string by removing unnecessary whitespace.
HTML Formatter
Add readable line breaks to an HTML snippet for easier editing.
HTML Minifier
Create a compact HTML snippet by removing unnecessary whitespace.
CSS Minifier
Minify CSS by stripping comments and repeated whitespace.
JavaScript Minifier
Create a compact JavaScript snippet with a lightweight browser minifier.
Base64 Encoder
Encode UTF-8 text to Base64 for web and development workflows.
Base64 Decoder
Decode Base64 text back into readable UTF-8 text.
URL Encoder
Percent-encode text for use inside URLs and query strings.
URL Decoder
Decode percent-encoded URL text back to readable characters.
UUID Generator
Generate a random UUID v4 using the browser crypto API.
SHA-256 Hash Generator
Create a SHA-256 hash from text using the Web Crypto API.
Timestamp Converter
Convert dates and times to Unix timestamps or back to ISO output.
Regex Tester
Test a regular expression against sample text and inspect matches.
JWT Decoder
Decode the readable header and payload portions of a JWT for inspection.
Color Code Converter
Convert common HEX, RGB and HSL color values between formats.