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Base64 & URL Encoder / Decoder

Encode or decode UTF-8 text with Base64 or URL-component encoding, including non-ASCII characters.

Enable JavaScript to use the interactive tool. Instructions and examples are available below.

A LITTLE GUIDANCE

Base64 & URL Encoder / Decoder guide

Change the representation of text without encrypting it.

How to use

  1. Choose Base64 or URL-component format.
  2. Choose encode or decode, then enter your text.
  3. Review and copy the converted result.

Worked example

Input
Enter hello in Base64 encode mode.
Result
The output is aGVsbG8=. Decoding it returns hello.

Common questions

Does Base64 keep the contents secret?

No. Base64 is a reversible representation that anyone can decode. It does not protect sensitive data through encryption.

Can I encode an entire URL here?

URL mode is intended for components such as search terms or parameter values. Entering a full URL also encodes its colon and slashes.