Tools

Fast, privacy-focused tools that run entirely in your browser. No data leaves your device.

Generators

UUID Generator

Generate version 4 UUIDs using native crypto API. Perfect for database keys, session IDs, and unique identifiers.

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Hash Generator

Generate SHA-1, SHA-256, SHA-384, and SHA-512 hashes from text. Fast client-side hashing.

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Formatters

JSON Formatter

Format, validate, and beautify JSON data with syntax highlighting. Minify or prettify JSON instantly.

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Encoders

Base64 Encoder/Decoder

Encode and decode Base64 strings. Supports text and handles UTF-8 encoding properly.

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Utilities

Text Diff Checker

Compare two texts side-by-side and see differences highlighted. Perfect for code review and document comparison.

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JWT Decoder

Decode and inspect JSON Web Tokens. View header, payload, signature, and check token expiration.

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