Base64 Encoder

Encode text to Base64 format with various advanced options. Fast, secure, and completely browser-based encoding.

About Base64 Encoder

Overview

Our Base64 Encoder is an easy-to-use tool that quickly converts your text into Base64 format. This process is often used to change binary data into a text-based format for safe storage and transfer. Base64 is commonly used for sending email attachments, storing complex data in XML or JSON files, and embedding images in web pages.

Features

  • Instant encoding with live mode for UTF-8.
  • Supports over 40 character encodings.
  • Can process multiple entries line by line.
  • Allows file uploads up to 100MB.
  • One-click copy to clipboard.
  • Clear error messages for any issues.
  • All operations are performed in your browser, keeping your data private.
  • Includes a dark mode for comfortable use.
  • A clean and professional design.
  • Works well on mobile devices.

How to Use

  1. Enter your text in the input area.
  2. Choose your source character set. We recommend UTF-8 for most situations.
  3. You can choose to encode each line separately for multiple entries.
  4. Turn on live mode for instant encoding as you type, which works best with UTF-8.
  5. Click the encode button to see the result.
  6. The Base64 encoded text will appear in the output box.
  7. You can copy the result with a single click.
  8. For files up to 100MB, use the file upload option.

FAQ

What is Base64 encoding?

Base64 encoding is a way to change binary data into a text format so it can be sent safely over systems designed for text. This is often used for email attachments or for putting images directly into a web page.

Does Base64 encoding make my data secure?

No, Base64 is not a form of encryption. It is just a different way of representing data and can be easily decoded. For security, you should use an encryption method like AES or RSA.

Why is the encoded text longer than the original?

Base64 uses only 64 characters to represent binary data, so it needs more characters to represent the same amount of information. Every 3 bytes of input data become 4 characters of output, which is an increase of about 33%.