Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 back to text.

Processed on your device. Your files never leave your browser.

About Base64 Encoder / Decoder

Base64 is a way to represent binary or text data using a safe set of ASCII characters. It's commonly used for data URIs, email attachments and tokens. This tool encodes and decodes with full UTF-8 support.

How to use

  1. 1Choose Encode or Decode.
  2. 2Paste your text or Base64 string.
  3. 3Read the converted result and copy it.

Features

  • Full Unicode (UTF-8) support.
  • Encode text to Base64 and decode back.
  • Clear error if the input isn't valid Base64.

Frequently asked questions