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Base64 Encoder & Decoder

Convert plain text to Base64 encoding, or decode Base64 strings back to readable text — instantly in your browser.

Base64 Encode / Decode

Convert plain text to Base64 or decode Base64 back to readable text.

Plain textWill be converted to Base64
Base64 output

Base64‑encoded result will appear here...

How to use

  1. Select "Encode" to convert text to Base64, or "Decode" to convert Base64 back to text.
  2. Paste your input into the text area.
  3. Click "Encode" or "Decode" and copy the output.

Everything runs in your browser — no data is sent to any server.