Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 strings back to readable text.

Input Text

⚙️ Base64 Settings

Automatically detect if input is Base64 encoded or plain text

Character encoding for text input

Use URL-safe Base64 encoding (- and _ instead of + and /)

Remove padding characters (=) from encoded output

Add line breaks every 76 characters (MIME format)

Number of characters per line when adding breaks

💡 Base64 Encoding Tips

🚀 Best Practices

  • Data transmission: Base64 is perfect for sending binary data over text-based protocols.
  • Email attachments: MIME uses Base64 to encode binary attachments in emails.
  • Web development: Embed images directly in CSS/HTML using data URIs.
  • API integration: Many APIs require Base64 encoding for file uploads.
  • Configuration files: Store binary data in text-based config files safely.

🛠️ Common Use Cases

  • Image embedding: Convert images to Base64 for inline CSS/HTML usage.
  • Authentication: Basic HTTP authentication uses Base64 encoding.
  • Data URLs: Create data URLs for immediate browser display.
  • JSON payloads: Include binary data in JSON without corruption.
  • Database storage: Store binary files as text in databases.