HelperCrate

Unit Converter

Convert length, weight, temperature, data size, area and speed instantly.

Your files never leave your device. Everything runs in your browser.

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Base64 Encoder

Encode and decode text or files to and from Base64.

URL Encoder

Percent-encode or decode URLs and query strings safely.

JSON Formatter

Beautify, minify and validate JSON with clear error messages.

Hash Generator

Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes from any text.