What is Base64 encoding?

Base64 encoding is a way to represent binary data as a text string using only 64 unique characters. This is useful for transferring data over text-based protocols like email or HTTP.

How do I decode a Base64 string?

To decode a Base64 string, simply paste it into the input field and select the 'Decode' option. The tool will then display the original string or data.

Can I upload files to the tool?

Yes, you can upload files to the tool to convert them to Base64 data URIs. This is useful for embedding images or other files directly into HTML or CSS code.

Is the tool free to use?

Yes, the Base64 Encoder / Decoder tool is completely free to use, with no limits on the number of encodings or decodings you can perform.

Yes, the tool does not store or transmit your data to any servers. All encoding and decoding is performed locally in your browser, ensuring your data remains secure and private.

online

Base64 Encoder / Decoder — online

Encode and decode Base64 strings online. Also supports file to Base64 encoding for data URIs.

Plain text

📎 Encode a file

Base64 output

How to use Base64 Encoder / Decoder

Enter String

Enter the string you want to encode or decode in the input field. You can also upload a file to convert it to a Base64 data URI.

Choose Action

Select whether you want to encode or decode the string using the provided options. For file uploads, the tool will automatically generate a data URI.

Get Result

Click the 'Encode' or 'Decode' button to process the string. The result will be displayed in the output field, ready for you to use or copy.

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