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Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 to text instantly.

4.5(127 ratings)

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How to Use

1

Enter text

Paste text to encode or Base64 string to decode.

2

Click encode/decode

Select the operation you need.

3

Copy result

Copy the converted output.

Features

Encode and decode
Handles special characters
No file size limit
Works offline
Privacy-focused

Frequently Asked Questions

Base64 is a binary-to-text encoding scheme that converts binary data to ASCII text. It's commonly used for email attachments and embedding data in URLs.

Encode and decode Base64 data instantly. Convert text, files, and binary data to and from Base64 format for safe transmission in URLs, emails, and APIs.

Did You Know?

Base64 uses 64 characters (A-Z, a-z, 0-9, +, /) to represent data, which is why it's called 'Base64'. It was designed in the 1980s to safely transmit binary data through systems that only supported text!

  • Base64 increases data size by about 33%
  • Use URL-safe Base64 for query parameters (replaces + and /)
  • For large files, consider compression before encoding

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