Base64 Encoder/Decoder

Encode and decode Base64 strings with support for files, images, and large text content. Perfect for data transmission and storage optimization.

Input Data

Output Result


                        

File Preview

File preview will appear here

Input Size: 0 bytes
Output Size: 0 bytes
Encoding: None
Status: Ready

How to Use Base64 Encoder/Decoder

1

Input Data

Enter text to encode or a Base64 string to decode. You can also upload files or paste content from your clipboard.

2

Process Data

Click "Encode to Base64" to convert text to Base64 or "Decode from Base64" to convert Base64 back to original data.

3

Manage Results

Copy the result to your clipboard, download as a file, or preview images and other file types directly in the browser.

Key Features

  • Multi-format Support: Encode/decode text, images, documents, and binary files with full Base64 compliance
  • File Operations: Upload files for encoding and download decoded results as files
  • Live Preview: Preview images, text files, and other content directly in the browser
  • Large File Handling: Efficient processing of large files with progress tracking
  • Character Encoding: Support for UTF-8, ASCII, and other character encodings
  • Clipboard Integration: One-click copy and paste functionality for seamless workflow

Common Use Cases

Data Transmission

Encode binary data for safe transmission through text-only protocols like JSON or XML.

Embedding Resources

Embed images and other resources directly in HTML, CSS, or JavaScript files.

Password Storage

Encode sensitive data before storage (note: Base64 is not encryption).

Email Attachments

Encode file attachments for email systems that require Base64 encoding.