Base64 encoder/decoder

Free Base64 Encoder & Decoder Online

This simple web tool works as both a Base64 encoder and a Base64 decoder. It allows you to convert text to Base64 or quickly decode Base64 text back into plain text. Developers often use Base64 to safely transmit binary data such as files, images, or API payloads in text-based formats like JSON or HTML. By encoding data into Base64, you make it more portable across different systems and browsers.

Whether you need a free Base64 decoder tool for debugging API responses or a fast way to encode Base64 online, this converter makes the process straightforward and reliable.

How to Use the Base64 Converter

Follow these quick steps to encode or decode Base64 data:

  • Paste your text into the input box.
  • Click Encode to generate a Base64 string, or Decode to restore plain text.
  • Copy the result and use it in your app, website, or API call.

If you want to work with images, try our Image to Base64 converter — a handy way to embed graphics directly into HTML or CSS without hosting separate files.