Category
5 tools
Developer & Code
Free, private, browser-based developer & code tools.
Base64 Encoder / Decoder
Encode text or files to Base64, or decode Base64 back to text — UTF-8 safe, with URL-safe variant and live byte counter. 100% private.
Developer
Hash Generator
Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes from text or files, with hex and Base64 output. Uses Web Crypto — 100% private.
Developer
JSON Formatter
Format, validate, minify, and sort JSON — fully in your browser.
Developer
URL Encoder / Decoder
Encode URLs or components for safe transmission, or decode percent-encoded URLs back to plain text. UTF-8 safe.
Developer
UUID Generator
Generate RFC 4122 v4 UUIDs in bulk, with optional hyphens, uppercase, and prefix options. Uses crypto.randomUUID — 100% private.
Developer