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Hash Generator

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text input using the Web Crypto API.

SHA hashes use the Web Crypto API (crypto.subtle). MD5 is computed client-side (not cryptographically secure).

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JSON Formatter

JSON

Format, minify, and validate JSON with syntax highlighting. Paste messy JSON and get clean, readable output instantly.

Base64 Encode/Decode

Encoding

Convert text to Base64 and back. Supports UTF-8 encoding for international characters.

UUID Generator

Generators

Generate random UUID v4 identifiers. Bulk generate up to 100 UUIDs at once with one-click copy.

This tool runs entirely in your browser. No data is sent to any server.