Base64 Encoder / Decoder
Encode or decode Base64 strings without leaving your browser or leaking data.
Base64 Encoder / Decoder
Convert text or small files to Base64 (and back) entirely inside your browser. Perfect for inline payloads, data URLs, and quick debugging.
Plain chars: 0Encoded chars: 0
We encode files entirely in-browser. Recommended max size: 15MB.
*/* • Max 15MB per file
Plain text
Base64 string
How to Use
1
Paste your text or drop a file into the uploader.
2
Click Encode to produce a Base64 payload, or Decode to restore plain text.
3
Copy the result or keep editing without leaving the page.
Frequently Asked Questions
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