Professional Base64 Encoder/Decoder for Developers & Coders

Encode or decode text to Base64 online with our free tool. Perfect for developers, coders, and IT professionals who need to convert text to Base64 format. Process data directly in your browser with zero uploads for maximum privacy and security. Convert between text and Base64 formats instantly using our privacy-first encoding technology.

Base64 Encoder/Decoder

Convert text to Base64 and vice versa

📁

Drag & drop a text file here

or click to browse files

Recent Conversions

Copied to clipboard!

How to Use the Base64 Encoder/Decoder

  1. Input Text: Type or paste the text you want to encode/decode in the "Input" textarea.
  2. Upload File (Optional): Drag & drop a text file or click the box to browse files. The file’s content will be used as input.
  3. Encode: Click the Encode button to convert your text to Base64.
  4. Decode: Click the Decode button to convert a Base64 string back to plain text.
  5. Output: The result appears in the "Output" textarea (read-only).
  6. Copy Output: Click the Copy button to copy the result to your clipboard.
  7. Clear: Click Clear to remove input and output text.
  8. Download: Click Download to save the output as a text file.
  9. History: Recent conversions are shown in the "Recent Conversions" list for quick access.

Frequently Asked Questions

Yes! Drag & drop a text file containing Base64 content or click to upload, then click "Decode".

No, your text is only processed locally. Only your recent conversions are temporarily displayed in the history.

Yes, click the "Copy" button. A notification confirms the text has been copied to your clipboard.

Only plain text files (.txt) are supported for drag-and-drop or browsing.