Base64 & URL Encode / Decode

Encode or decode Base64 and URL-encoded strings instantly. Everything runs locally in your browser.

Input

Output

Runs locally in your browser. No data is uploaded.

FAQ

What is the difference between Base64 and URL encoding?

Base64 converts binary/text data to a text-safe alphabet, while URL encoding escapes reserved URL characters.

Why does Base64 decode fail?

Input may be incomplete, malformed, or not valid Base64 for the selected mode.

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