Developer Tools
Formatters, encoders, parsers, and code generators for everyday software engineering. All tools are free to use directly in your browser with zero registration.
JSON Formatter and Validator
Format, validate, beautify, and minify JSON with real-time error detection and line-by-line syntax diagnostics.
YAML Validator
Validate YAML syntax, detect indentation errors, and inspect parsed structures with instant error feedback.
YAML to JSON Converter
Convert YAML to JSON and JSON to YAML bidirectionally with formatting options and syntax checks.
Base64 Encoder and Decoder
Encode text to Base64 or decode Base64 strings to UTF-8 text with URL-safe mode and byte statistics.
URL Encoder and Decoder
Encode and decode URLs and URI query parameters with query string parser and component separation.
JWT Decoder
Inspect JSON Web Tokens (JWT) headers, payloads, claims, and human-readable expiration dates in real time.
HTML / CSS / JavaScript Minifier
Minify and compress HTML, CSS, and JS code to eliminate whitespace, comments, and reduce payload bandwidth.
UUID / GUID Generator
Generate cryptographically secure Version 4 UUIDs in bulk with customizable casing, hyphens, and brackets.
Regex Tester & Debugger
Test and debug regular expressions in real time with regex flags, match tables, and common pattern presets.
Unix Timestamp Converter
Convert epoch seconds and milliseconds to human-readable UTC/local dates, or convert dates back to Unix timestamps.