Developer Tools
Encoding, decoding, formatting and conversion tools for developers
JSON Formatter & Validator
Format, beautify, and validate JSON data to make it more readable and error-free. Perfect for developers working with APIs, configuration files, and d...
Base64 Encode & Decode
Encode text to Base64 or decode Base64 strings back to readable text. Great for data encoding, image handling, and API authentication.
URL Encoder & Decoder
Encode URLs to make them safe for web use or decode encoded URLs back to readable text. Perfect for developers, SEO specialists, and anyone working wi...
JWT Decoder
Decode and inspect JSON Web Tokens (JWT). View the header, payload, and signature without verifying the signature. Useful for debugging authentication...
JSON ↔ CSV Converter
Convert JSON arrays to CSV format and CSV data back to JSON. Supports file download, custom delimiters, and preserves primitive data types.
Number Base Converter
Convert numbers instantly between binary (base 2), octal (base 8), decimal (base 10), and hexadecimal (base 16). Perfect for programmers, students, an...
JSON ↔ YAML
Convert JSON to YAML and YAML to JSON instantly in your browser. Perfect for Kubernetes manifests, CI/CD configs, and API payloads. Supports clean ind...
Regex Tester
Test and debug regular expressions in real time. Highlight all matches in your text, inspect capture groups, and pick from a library of common pattern...
Text Diff Checker
Compare two text blocks side by side and instantly see additions, deletions, and unchanged lines highlighted. Supports split and unified views.
Cron Parser
Parse and explain cron expressions in plain English. View the next scheduled run times and build expressions from common presets. Free online cron job...