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Base64URL Encoder and Decoder
Encode UTF-8 text as URL-safe Base64 or strictly decode Base64URL text.
Your results will appear here.
Three steps. That’s it.
A useful toolkit for text, data, images and calculations.
- 01
Add your input
Choose a tool, enter values or select a file.
- 02
Make it yours
Adjust the options and run the action.
- 03
Take the result
Copy the result or download its file.
URL-safe Base64 converter online
Inspect URL-safe Base64 text used in application payloads. Base64URL is not standard Base64; decoding requires canonical padding bits and valid UTF-8.
How to use it
Enter the source input or select Try example. Review Action. Select Run tool and inspect the result before copying or downloading.
Options and example settings
Worked examples
Inspect URL-safe Base64 text used in application payloads.
Worked example — Base64URL Encoder and Decoder
Settings: Action: encode
Input:
Hello Kirikuba!
Output:
SGVsbG8gS2lyaWt1YmEh
Choose the right tool
Base64URL uses URL-safe alphabet characters. Standard Base64 text may require different characters or padding; use Base64 Encoder and Decoder for the standard form.
Limitations and common mistakes
- Base64URL is not standard Base64; decoding requires canonical padding bits and valid UTF-8.
Frequently asked questions
How can I encode or decode Base64URL online?
Enter the source input or select Try example. Review Action. Select Run tool and inspect the result before copying or downloading.
Where is my input processed?
The bundled tool processes input in your browser. It does not upload tool input to a conversion service. Other site plugins, analytics, advertising and browser extensions may have separate behavior.
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