Base64 Encoder/Decoder

Encode text or files to Base64 and decode Base64 strings back to text. Fast, client-side processing with no data sent to servers.

How to Use Base64 Encoder/Decoder

  1. Choose the Encode tab to convert text or files to Base64.
  2. Choose the Decode tab to convert Base64 back to plain text.
  3. For encoding: paste your text or upload a file.
  4. For decoding: paste a Base64 string to get the original text.
  5. Click Copy to copy the output to your clipboard.