A collection of elegant, browser-based utilities for developers
Format, validate and beautify JSON data with instant feedback
Format, validate and beautify YAML configuration files
Encode and decode text or files to/from Base64 format
Encode and decode URLs with percent encoding for safe transmission
Decode and verify JSON Web Tokens with signature validation
Generate cryptographic hashes using MD5, SHA-256, SHA-512 algorithms
A suite of carefully crafted online tools designed for developers, data analysts, and IT professionals. All tools run entirely in your browser, ensuring your data remains private and secure. No registration required, no data sent to servers.
Select a tool above to get started. Bookmark this page for quick access to your favorite development utilities.