Developer Tools
A suite of free, client-side developer utility tools. None of your data is sent to any server, keeping your payloads 100% private.
JSON Formatter & Validator
Validate, beautify, and minify your raw JSON data. Features real-time syntax checking and clean print layouts.
Password Generator
Generate highly secure, custom cryptographically strong random passwords with custom sets (numbers, letters, symbols).
QR Code Generator
Instantly convert text strings or web URLs into scannable high-resolution QR codes, downloadable as PNG.
Base64 Encoder & Decoder
Quickly convert plain-text input strings into Base64 format and decode encoded payload blocks cleanly.
UUID v4 Generator
Generate bulk unique UUID v4 strings for database keys, sessions, or testing requirements.
HTML Output Previewer
Type raw HTML/CSS tags and preview the compiled output live inside an isolated secure sandbox.
Markdown Live Editor
Write markdown text notes and preview compiled styling outputs dynamically with headers, lists, and code blocks.
URL Encoder & Decoder
Encode input query values into safe URL percent-encoded format and decode standard parameters cleanly.
Epoch Unix Timestamp Converter
Convert Unix epoch timestamps to standard readable datetime strings and encode datetimes back to millisecond integers.
CSS Color Converter
Translate color formats dynamically across HEX code strings, RGB arrays, HSL configurations, and CSS variables.
XML to JSON Converter
Quickly convert structured XML documents to parsed JSON files or vice-versa with formatting preservation.
RegEx Tester & Matcher
Input regular expressions patterns to search, highlight, and validate match results against sample test cases.
JSON to Excel Converter
Convert structured JSON object data tables instantly to downloadable CSV spreadsheets compatible with MS Excel.