Base64 Encoder/Decoder

Convert text to Base64 encoding or decode Base64 strings back to readable text. Perfect for data encoding, API development, and web development tasks.

Convert plain text to Base64 encoding

Plain Text Input

0 characters

Base64 Output

0 characters

Try These Examples

About Base64 Encoding

What is Base64?

Base64 is a binary-to-text encoding scheme that represents binary data in ASCII format. It's commonly used for encoding data in email, storing complex data in XML or JSON, and embedding images in CSS or HTML.

Common Use Cases:

  • API authentication tokens
  • Email attachments
  • Data URLs for images
  • Configuration data storage

Features:

  • Real-time encoding/decoding
  • Support for Unicode characters
  • File upload support
  • Copy and download results
  • Error validation for invalid Base64

Privacy:

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