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Coding Tools
Everyday utilities for developers: format and validate JSON, XML and SQL, convert JSON to CSV and YAML, beautify or minify HTML, CSS and JavaScript, encode and decode Base64, URLs and HTML entities, generate hashes and UUIDs, decode JWTs and test regular expressions.
JSON Formatter & Validator
Format, validate, beautify and minify JSON with clear error messages.
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 back to text (UTF-8 safe).
URL Encoder / Decoder
Percent-encode or decode URLs and query string parameters.
HTML Entity Encoder / Decoder
Escape special characters as HTML entities or decode them back.
HTML Formatter
Beautify messy or minified HTML with clean indentation.
CSS Formatter
Beautify minified CSS into clean, readable stylesheets.
JavaScript Formatter
Beautify and un-minify JavaScript code for easy reading.
CSS Minifier
Compress CSS by removing comments, whitespace and redundancy.
JavaScript Minifier
Minify and compress JavaScript with Terser, right in your browser.
HTML Minifier
Minify HTML by removing comments and unnecessary whitespace.
Hash Generator (MD5, SHA)
Generate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes.
UUID Generator
Generate random v4 UUIDs/GUIDs in bulk with formatting options.
JWT Decoder
Decode JSON Web Tokens to inspect header, payload and expiry.
URL Slug Generator
Turn titles into clean, SEO-friendly URL slugs.
Regex Tester
Test regular expressions with live match highlighting and groups.
Markdown to HTML Converter
Convert Markdown to clean HTML with a live preview.
Unix Timestamp Converter
Convert Unix epoch timestamps to dates and dates to timestamps.
JSON to CSV Converter
Convert JSON arrays into CSV for Excel and Google Sheets.
CSV to JSON Converter
Convert CSV or spreadsheet data into a JSON array.
XML Formatter & Validator
Format, validate and minify XML documents.
SQL Formatter
Beautify SQL queries for MySQL, PostgreSQL, SQL Server and more.
YAML ⇄ JSON Converter
Convert YAML to JSON and JSON to YAML with validation.
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