Developer Tools

Format, encode, decode and hash data for development work, entirely in your browser.

Base64 Encode & Decode
Encode text or files as Base64 and decode Base64 or data URIs locally, with UTF-8, Latin-1, URL-safe output, and file downloads.
Developer
StableClient-only
Hash Generator
Hash text or files with MD5, CRC-32 or SHA. Generate HMAC, compare expected hashes and export results locally in your browser.
Developer
StableClient-only
JSON Formatter & Validator
Format, minify and validate JSON locally while preserving number text and duplicate keys. Inspect a collapsible tree and copy JSON paths.
Developer
StableClient-only
JWT Decoder
Decode JWT headers and claims, inspect time validity, and verify HMAC, RSA, PSS or ECDSA signatures locally with your key.
Developer
StableClient-only