A suite of interactive, client-side developer utility tools for formatting, converting, encoding, validating, and testing code.
Clean, validate, beautify, and minify your JSON data.
Convert JSON objects into PHP associative array declarations (`[...]` syntax).
Generate dummy placeholder paragraphs for your layouts.
Validate your HTML markup or webpage URL using the official W3C validation engine.
Encode raw text into Base64 format or decode it back to plain text.
Encode special characters in query parameters or decode URL-encoded strings.
Convert Unix timestamps to human-readable dates and vice-versa.
Generate SHA-1, SHA-256, and SHA-512 hashes using browser-native cryptography APIs.
Escape HTML characters (protecting code) or decode entities back to raw tags.
Quickly minify or basic-format CSS stylesheets and JavaScript blocks.
Decode JSON Web Tokens (JWT) client-side to inspect headers and payload claims.
Format and beautify your raw SQL queries for improved readability.
Convert colors between HEX, RGB, and HSL formats with a visual picker.
Test and match your JavaScript regular expressions against target text.
Generate standard Version 4 UUIDs (Universally Unique Identifiers) individually or in bulk.
Convert string cases, sort list lines, and filter unique items.
Parse complete URLs into their protocol, path, and query parameter keys/values.
Visually build CSS box-shadows and border-radii declarations.
Write Markdown markup on the left and preview the formatted HTML output on the right.
