Developer Tools

12 free tools in this category.

• JSON Formatter - Pretty-print JSON.
• JSON Validator - Check whether JSON is valid.
• JSON Minifier - Remove whitespace from JSON.
• CSS Minifier - Basic CSS minifier (removes comments and whitespace).
• HTML Minifier - Basic HTML minifier (removes comments and extra whitespace). Does not process inline scripts.
• URL Encoder - Percent-encode text for URLs.
• URL Decoder - Decode percent-encoded text.
• HTML Entity Encoder - Escape &, <, >, quotes.
• HTML Entity Decoder - Decode HTML entities safely.
• Base64 Encoder - Encode text (UTF-8) to Base64.
• Base64 Decoder - Decode Base64 to text.
• UUID Generator - Generate version 4 UUIDs with the browser crypto API.