Base64 Encode and Decode Online for Free

Encode text to Base64 or decode Base64 strings to plain text. Fast, simple, and runs in your browser. Free with no limits.

How to Use This Tool

  1. Paste your text or Base64 string
  2. Choose Encode or Decode
  3. Copy the result

Frequently Asked Questions

What is Base64?

Base64 is an encoding scheme that converts binary data into ASCII text. It is commonly used for embedding data in HTML, email, and APIs.

Is my data sent anywhere?

No. Encoding and decoding happen entirely in your browser.

Your files are processed in your browser and never uploaded to any server. Free, no sign-up, no limits.