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TEXT & DATA / LOCAL TOOL

Base64 encode

Encode Unicode text into a Base64 string.

Free to useWorks on mobileNo file upload
PRIVATE BY DESIGNBROWSER PROCESSING
AUTO DETECT
BASE64 ENCODE

Enter text to get started.

No upload for local tools No sign-up needed
A PRACTICAL GUIDE

When to use base64 encode

Encode a short Unicode string for a data-transfer workflow.

Base64 encode illustration showing a source file and a separate result
Base64 encode — a separate result, with your source kept unchanged.

How to use base64 encode

  1. Paste the text or data into this tool’s input.
  2. Review the base64 encode options shown above.
  3. Run the tool and inspect the result before copying it.
GOOD TO KNOW

Frequently asked questions

How does Base64 encode work?

Choose the input, adjust any available options, and run the tool. Encode Unicode text into a Base64 string.

Is my file uploaded to ConvertExpress?

No. This tool performs the conversion in your browser. The site downloads its interface and code, but it does not upload the selected file for this tool.

Will the output always match the original?

Encode Unicode text into a Base64 string. Check the result before using it for important work.

Does Base64 encoding protect confidential text?

No. It is reversible encoding, not encryption. Anyone with the encoded value can decode it without a secret key.

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