Encoding & Security

Base64 Encode/Decode

Encode or decode Base64 text.

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Input

Output

Common questions

FAQ

1 Does this support UTF-8?

Yes — encoding/decoding go through TextEncoder/TextDecoder so multi-byte characters work correctly.

Percent-encode or decode URLs.

Decode JWT header and payload (no signature verification).

Generate MD5, SHA-1, SHA-256, SHA-512 hashes.

Create strong random passwords.

Compute HMAC with SHA-256/384/512.