Encoding

Base64 URL Encoder

Encode UTF-8 text as URL-safe Base64 without padding.

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Base64 URL output

Choose “Encode Base64 URL” to see the result here.

Processed in your browser. Inputs stay in this page’s memory and are not uploaded or saved.

Uses - and _ instead of + and /, and omits trailing = padding.
Text is encoded as UTF-8 bytes. Decoding rejects bytes that are not valid UTF-8.

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What does this tool do?

Encode UTF-8 text as URL-safe Base64 without padding. Input: UTF-8 text input. Output: Base64 URL output (Base64 URL).

How to use it

Enter utf-8 text input, then choose “Encode Base64 URL”. Review the result and use Copy to copy the displayed text. Clear removes all fields and the result.