sitekits.dev
§ By role

Tools for frontend developers

Format and clean up JSON, CSS, and JavaScript, debug encodings and regexes, and inspect colors, SVGs, and HTTP responses — the everyday companions of UI work, all running in your browser.

15 tools · curated starting points, not another giant list

JSON Formatter / Validator local CSS Formatter local JavaScript Formatter local HTML Formatter local Base64 Encode / Decode local URL Encode / Decode local HTML Entity Encoder & Decoder local Regular Expression Tester local Color Picker — HEX, RGB, HSL local SVG Viewer & Renderer local Image to Data URI Converter local Markdown Preview local HTTP Status Code Reference local User Agent Parser local Text Diff Checker local
§ Other roles
Backend developers SRE / infrastructure Security engineers Designers All tools