Free Online Developer Tools
Encode and decode Base64 online. Convert readable text to Base64 or decode Base64 strings back to text directly in your browser.
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Encode text to Base64 and decode Base64 back to readable text. This page is written for a focused, practical workflow with clear inputs and reviewable output. Review the output before using it in production, publishing, or formal work.
The tool works from the content you provide in the browser. Avoid entering highly sensitive data into any web page unless you have reviewed the tool behavior.
Encode hello to aGVsbG8= or decode aGVsbG8= back to hello.
Base64 Encoder Decoder helps you encode text to Base64 and decode Base64 back to readable text.
No. You can use the tool without signing up.
Text-based tools support copying, and file-based tools provide download options when output files are generated.
Yes. Always review generated, converted, or calculated output before using it in important work.
No. The tool works on the input you provide and shows a separate result.