PNG to Base64 Converter

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Convert PNG images to Base64 encoded strings.

✓ Data URI Prefix Option✓ Line Wrapping Option✓ Copy and Download

Conversion Settings

Base64 Result

Base64 output will appear here

Upload a PNG image

Why Convert PNG to Base64?

Base64 encoding represents binary data (like images) as a string of ASCII characters. This is useful for:

  • Embedding Images in HTML/CSS: Avoid separate image requests by directly including the image data in your code.
  • Web APIs: Some APIs accept image data as Base64 strings.
  • Data URIs: Create self-contained data URIs for use in web development.
  • Avoiding Cross-Origin Issues: Embedding images as Base64 can sometimes bypass cross-origin resource sharing (CORS) restrictions.

Key Features

  • • Include or exclude the "data:image/png;base64," prefix.
  • • Option to wrap long Base64 strings into multiple lines.
  • • Adjustable line length for wrapping.
  • • Copy Base64 string to clipboard.
  • • Download Base64 string as a text file.

How to Use

  1. Upload a PNG image using the file uploader.
  2. The image will be automatically converted to Base64.
  3. Settings:
    • "Include Data URI Prefix": Adds the `data:image/png;base64,` prefix to the output. This is required for using the Base64 string directly in `img` tags or CSS `url()` functions.
    • "Wrap Long Lines": Breaks the Base64 string into multiple lines for better readability and to avoid issues with very long lines in some contexts.
    • "Characters per line" (if wrapping): Controls the maximum length of each line.
  4. Click the "Apply Settings" button to re-process the output with your chosen options.
  5. Copy the Base64 string to your clipboard or download it as a .txt file.

Frequently Asked Questions

What is a Data URI?

A Data URI is a way to embed data directly within a web page or document. For images, it starts with `data:image/png;base64,` followed by the Base64 encoded image data. This allows you to include the image without needing a separate file.

Why would I want to wrap the Base64 lines?

Base64 encoded images can be *very* long strings. Wrapping them into multiple lines makes them easier to handle in text editors and can prevent issues with line length limits in some environments (like email).

Are my uploaded images stored?

No. The conversion happens entirely in your browser. Your images are not uploaded to any server.

Can I convert other image types to Base64?

This tool is specifically for PNG images, but you could build similar tools for JPG, GIF and other image formats.

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