Online BASE64 encoder/decoder

This tool encodes and decodes text between Base64 and ASCII format.

How to base64 encode text?

  1. Copy and paste the text you want to encode.
  2. Click on "Start conversion" to encode the data.
  3. Download your encoded data.

How to base64 decode text?

  1. Copy and paste the base64 encoded text.
  2. Click on "Start conversion" to decode the data.
  3. Download your decoded data.




If selected then the returned data is sent as a binary file. This is useful if base64 data is encoded to a binary format.