JSON Formatter & Validator
Validate, format and minify JSON directly in your browser with optional key sorting and structured error feedback.
Open tool →Developer Tools
Utilities for developers
← All categories
10 active tools
Base64 Encoder / Decoder
Encode UTF-8 text to Base64 or decode Base64 back to text directly in your browser, including Base64URL support.
Open tool →URL Encoder / Decoder
Encode or decode URL components, full URLs, and form/query values locally in your browser with Unicode-aware percent encoding.
Open tool →Hash Generator
Generate SHA-2, SHA-3, MD5, SHA-1, RIPEMD-160 and CRC32 hashes locally in your browser with clear security labels.
Open tool →HTML/CSS/JS Minify & Unminify
Minify or beautify HTML, CSS and JavaScript directly in your browser with optional comment preservation.
Open tool →Advanced Password Generator
Generate strong random passwords locally in your browser with configurable length, character groups and ambiguity filtering.
Open tool →Regex Tester
Test JavaScript regular expressions online with match highlighting, flags, indexes and capture-group details.
Open tool →UUID Generator
Generate UUID v4 and UUID v7 identifiers online with secure browser-local randomness and bulk output options.
Open tool →Unix Timestamp Converter
Convert Unix timestamps to readable UTC/local dates or convert calendar dates to Unix seconds and milliseconds directly in your browser.
Open tool →Text / Code Diff Checker
Compare two text or code versions line by line locally in your browser with added, removed, and unchanged line highlighting.
Open tool →