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Base64 Encoder / Decoder

Encode text or files to Base64, or decode Base64 back to original.

Features

  • Encode text or files to Base64
  • Decode Base64 back to original
  • Support for text and binary files
  • Auto-detect input type
  • Copy result with one click

How to Use

  1. Paste text or upload a file
  2. Click Encode or Decode
  3. Copy the result to clipboard
  4. Or download as file

Frequently Asked Questions

What is Base64 encoding?

Base64 is a binary-to-text encoding scheme that represents binary data as ASCII text.

When should I use Base64?

Common uses: email attachments, data URLs, API payloads, embedding images in HTML/CSS.

Does encoding compress data?

No, Base64 actually increases size by about 33%.