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Base64 Encode / Decode

Encode text to Base64, decode Base64 back to text, or convert files to Base64 data URIs. All processing happens in your browser.

File to Base64

Input

Output

How to use this tool

Encode text or small local files for data URIs, API fields, and debugging. It also decodes Base64 back into readable text when the payload is textual.

Suggested workflow

Select text or file conversion.
Paste text or choose a local file.
Copy the result or decode it for inspection.

Good to know

Base64 is an encoding, not encryption; do not use it to protect secrets.

Base64 Encode / Decode - CodeTools Toolbox - 47 free online developer tools.