Encoding & Security

URL Encode/Decode

Percent-encode or decode URLs.

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Input

Treat as URI component

Output

Common questions

FAQ

1 Component vs full URL?

Component encodes characters like ?, &, =, /; full URL leaves those reserved characters alone.

Encode or decode Base64 text.

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.