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Encode & auth5 tools

Verify the encoding of tokens, short strings, and credentials fast. base64 (URL-safe included), URL encoding, MD5/SHA hashes, JWT decode and sign (HS256/384/512). Keys and plaintext stay on the page.

Tools

  1. N°13
    Base64Text ↔ Base64
    Encode UTF-8 text to Base64 and back. URL-safe mode included.
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  2. N°14
    URL encodePercent-encoding · component / uri
    Make any string safe to drop into a URL — encode and decode both ways.
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  3. N°15
    HashMD5 · SHA-1 · SHA-256 · SHA-512
    Fingerprint a string. Integrity checks, cache keys, quick IDs.
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  4. N°16
    JWT decoderHeader · payload · signature
    Paste a JSON Web Token and see the claims unpacked at a glance.
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  5. N°17
    JWT signSign and verify with HS256/384/512
    Mint a JWT for staging-auth debugging, or verify a received token against a secret.
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