About Free Base64 Encoder & Decoder Online

Base64 encoding is used to convert binary data into ASCII text format for transmission over text-based protocols. Our free Base64 encoder/decoder supports both standard and URL-safe encoding, handles files and images, and works entirely in your browser for maximum privacy.

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✨ Key Features of Our Free Base64 Encoder & Decoder Online

  • ✓Instant encode and decode
  • ✓URL-safe Base64 option
  • ✓File and image support
  • ✓No file size limits
  • ✓100% browser-based processing
  • ✓Data URI generation for images
  • ✓Mobile-friendly interface
  • ✓Dark mode support

📖 How to Use Free Base64 Encoder & Decoder Online

1

Choose Mode

Select whether you want to encode (text to Base64) or decode (Base64 to text).

2

Enter Your Data

Paste your text or Base64 string in the input area. For files, use the file upload option.

3

Get Result

The encoded/decoded result appears instantly. Toggle URL-safe mode if needed.

4

Copy Result

Copy the result to clipboard or download as a file.

❓ Frequently Asked Questions

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