Base64 encode
Encode Unicode text into a Base64 string.
Enter text to get started.
Converting your file
Working on your device…
What this tool does
Encode Unicode text into a Base64 string.
Select a supported file or paste text.
Use the options shown in the workspace.
Download the result and review it on your device.
When to use base64 encode
Encode a short Unicode string for a data-transfer workflow.
How to use base64 encode
- Paste the text or data into this tool’s input.
- Review the base64 encode options shown above.
- Run the tool and inspect the result before copying it.
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 demo performs this 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.