Small tools. Zero trust required.
Eight free utilities that run entirely in your browser. Generate a secret key, hash a string, decode a JWT — nothing ever leaves this page.
Secret Key GeneratorPopular
Cryptographically secure API keys in hex, base64, or alphanumeric.
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Hash Generator
SHA-256, SHA-384, and SHA-512 digests of any text.
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UUID Generator
Bulk UUID v4 — up to 100 at a time.
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JWT Decoder
Inspect headers, claims, and expiry. Warns on alg: none.
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JSON Formatter
Format, minify, and validate with precise error locations.
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Base64 Encoder / Decoder
Unicode-safe Base64 in both directions.
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URL Encoder / Decoder
Percent-encoding for URLs and components.
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Timestamp Converter
Unix seconds, milliseconds, ISO, and human time.
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Need a backend too? $6.99/mo.
Auth, realtime database, file storage, vector search, and an agent OS. First month $1.
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