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Base64 Converter

Encode text to Base64 format or decode Base64 strings back to readable text. Perfect for data encoding and web development.

Base64 Converter

Encode text to Base64 or decode Base64 to text

Plain Text

Characters: 0Bytes: 0

Base64 Result

Characters: 0Bytes: 0

ℹ️ About Base64 Encoding

What is Base64?

Base64 is a binary-to-text encoding scheme that represents binary data in ASCII format using 64 characters (A-Z, a-z, 0-9, +, /).

Common Uses:
  • Email attachments (MIME)
  • Data URLs in web development
  • API authentication tokens
  • Storing binary data in text format

About Base64 Encoding

What is Base64?

Base64 is a binary-to-text encoding scheme that represents binary data in ASCII format using 64 characters (A-Z, a-z, 0-9, +, /).

Common Use Cases:

  • Email Attachments: MIME encoding for attachments
  • Data URLs: Embedding images in CSS/HTML
  • API Tokens: Authentication and authorization
  • Data Storage: Storing binary data in text format
  • URL Parameters: Safe transmission of data

Features:

  • Bidirectional: Encode and decode operations
  • File Upload: Process text files directly
  • Real-time: Instant conversion as you type
  • Statistics: Character and byte count tracking
  • Error Handling: Clear error messages for invalid input
  • Copy/Paste: Easy clipboard integration
  • Switch Mode: Quick toggle between encode/decode
  • Privacy First: All processing done locally

💡 Pro Tips:

• Base64 encoded data is ~33% larger than original
• Always validate Base64 strings before decoding
• Use for text data, not large binary files
• Perfect for embedding small images in CSS