Base64 Encoder / Decoder
Encode and decode UTF-8 text. intro
How to use Base64 Encoder / Decoder
- Enter the text and select encode or decode.
- Run the transformation and check the resulting UTF-8 text.
- Check the result against the original before using it.
Example use
Use base64 encoder / decoder for a practical task that needs encode and decode UTF-8 text.
Why use this tool?
Use this free browser utility when you need a focused result without installing desktop software or creating an account. The workspace is designed for a single task, with the input, controls and output kept together.
Privacy, compatibility and limitations
Text entered here is processed in your browser without a server upload.
Questions about Base64 Encoder / Decoder
Is Base64 encryption?
No. Base64 is an encoding, not a security mechanism; anybody can decode it.
Why does decoding fail?
Invalid Base64 characters, padding or incompatible text encoding can cause errors.