Developer Tools
Developer Tools
JSON, Base64, JWT, regex, diff, hashes & more.
JSON Formatter & Validator
Beautify, minify & validate JSON instantly.
Base64 Encode / Decode
Encode text to Base64 or decode it back, instantly.
URL Encode / Decode
Percent-encode or decode URLs and query strings.
UUID Generator
Generate random v4 UUIDs in bulk.
JWT Decoder
Decode a JWT to read its header and payload.
Unix Timestamp Converter
Convert Unix timestamps to human dates and back.
HTML Entity Encode / Decode
Encode special characters to HTML entities or decode them back.
Number Base Converter
Convert numbers between binary, octal, decimal, and hex.
Regex Tester
Test regular expressions against text with live match highlighting.
Diff Checker
Compare two blocks of text and see the differences.
CSS Minifier
Minify CSS to cut file size, or beautify it back.
JavaScript Minifier
Shrink JavaScript by removing whitespace and comments.
HTML Minifier
Minify HTML markup to reduce page weight.
YAML to JSON Converter
Convert YAML to JSON and JSON back to YAML.
Cron Expression Explainer
Translate a cron expression into plain English.
Countdown Timer Generator
Generate an embeddable countdown timer.
JavaScript Beautifier
Format and indent minified JavaScript.