How to use this tool
- Paste text.
- Choose action.
- Copy result.
About Base64 Encoder & Decoder
Encode and decode text in your browser.
Does this tool send my data anywhere?
No. Its calculation or transformation happens on your device.
Developer tools
Base64 Encoder & Decoder
Encode plain text to Base64 or decode it safely.
Runs locally in your browser — nothing is uploaded.
About this tool
Use Base64 Encoder & Decoder to complete this focused task without sending your content to a third-party service.
Using Base64 Encoder & Decoder
Paste or enter your content, run the tool, and review the result before using it.
Helpful tips
- Check the labels, units, and input format before running the tool.
- Review the result, then use the copy button where available.
- For important decisions, verify your inputs with an appropriate professional source.
Is my information private?
Yes. This developer tools processes your input in the browser and does not upload it.
Is this tool free?
Yes. You can use it without creating an account.