Code Tools
Essential code utilities for developers across all languages. Test and debug regular expressions with live matching and group highlighting, format and minify JavaScript, HTML, CSS, SQL, Python and PHP, encode and decode Base64, URL strings and HTML entities, decode JWT tokens, generate UUID v1/v4/v7, build and test cron expressions, generate realistic mock data, escape and unescape strings for JSON, HTML, XML and SQL, calculate Unix file permissions, look up HTTP status codes, write HTML/CSS/JS with live preview, convert text to binary, hex and octal, browse the full ASCII table, and convert between CSS units like px, rem, em and pt.
Generate UUID v1, v4, and v7 with bulk generation, formatting options, and UUID decoder to inspect v...
Encode and decode URLs instantly using percent-encoding. Parse URL components and view query paramet...
Encode text or files to Base64 and decode Base64 strings back to readable text instantly in your bro...
Convert special characters to HTML entities and decode entities back to text. Supports named, decima...