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Base64 encoder / decoder
Encode Unicode text as Base64 or decode it back to text.
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How to use base64 encoder / decoder
Choose Encode for plain text or Decode for a Base64 string.
Things worth knowing
Uses UTF-8 text. Base64 is encoding, not encryption. Binary files that are not UTF-8 text cannot be decoded here.
Is my input saved or uploaded?
Your input is processed locally and is not saved by this site. Reloading or leaving the page clears your work. Copy or download anything you want to keep. Only saved and recent tool IDs are stored on this device.