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Base64 Encoder/Decoder

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About Base64 Encoding

Base64 is a method of encoding binary data into ASCII text. It's commonly used for transmitting data in email, storing complex data in XML or JSON, and encoding images in CSS or HTML.

How to Use Base64 Encoder/Decoder

  1. Enter Text: Type or paste your text in the input field
  2. Choose Operation: Click "Encode to Base64" or "Decode from Base64"
  3. Copy Result: Use the copy button to copy the result to your clipboard

Common Use Cases

๐Ÿ“ง Email Attachments

Encode binary files for email transmission and data storage.

๐Ÿ–ผ๏ธ Data URIs

Embed images directly in HTML, CSS, or JSON as base64 strings.

๐Ÿ”Œ API Data

Transmit binary data through JSON APIs and web services.

๐Ÿ” Text Encoding

Basic text obfuscation and character encoding for special characters.

Frequently Asked Questions

What is Base64 encoding?

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

Why is Base64 used?

Base64 ensures data integrity during transport over systems designed for text data. It's widely used in email, web development, and APIs to handle binary data safely.

Is Base64 encoding secure?

No, Base64 is not encryption or security. It's just encoding - anyone can decode Base64 data. Use proper encryption for sensitive information.

Does Base64 increase file size?

Yes, Base64 encoding increases data size by approximately 33% due to the encoding overhead. Every 3 bytes become 4 characters.

What about line breaks in Base64?

Standard Base64 can include line breaks for readability, but our tool handles both formats. For web use, line breaks are typically removed.