Base64 Encoder / Decoder

Encode and decode Base64 strings instantly in your browser.

How to use this tool

  1. 1Input stringPaste or type the text you wish to process into the input box.
  2. 2Encode or decodeClick 'Encode' to generate Base64 strings, or 'Decode' to restore the original text.
  3. 3CopyCopy the processed output instantly to your clipboard.

What this tool is useful for

  • Encoding binary payloads or string headers for email transmissions.
  • Decoding Base64-encoded strings found in scripts, emails, or APIs.
  • Preparing simple data URI schemes or basic obfuscation.

Privacy & processing

All encoding and decoding process is completed locally. No text is uploaded to any server.