Base64 Encoder/Decoder - Encode & Decode Base64 Online Free

Free online Base64 encoder and decoder. Encode text to Base64 or decode Base64 back to text instantly in your browser.

How to Use the Base64 Encoder/Decoder

Type or paste your text in the input area
Click Encode to convert to Base64, or Decode to convert back
Copy the result with one click

All processing happens in your browser. Your data never leaves your device.

Features

Encode — convert plain text to Base64
Decode — convert Base64 back to readable text
Copy result — one-click copy to clipboard
100% private — everything runs in your browser