WebP to Base64 Converter

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Convert WebP images to Base64 encoded strings.

✓ Data URI Prefix Option✓ Line Wrapping Option✓ Copy and Download✓ Client-Side Processing

Conversion Settings

Base64 Result

Base64 output will appear here

Upload a WebP image

Why Convert WebP to Base64?

Base64 encoding represents binary data (like images) as a string of ASCII characters. This is particularly useful for WebP images when you want to:

  • Embed Images in HTML/CSS: Directly include small WebP images in your HTML or CSS files using data URIs, reducing HTTP requests and improving page load times.
  • Web APIs: Some APIs or data transfer protocols might require image data to be sent as a Base64 string.
  • Offline Applications: Bundle images directly into single HTML files for offline viewing or self-contained applications.
  • Avoid CORS Issues: Embedding images as Base64 can sometimes bypass cross-origin resource sharing (CORS) restrictions.

Key Features

  • • Convert WebP images to Base64 strings instantly.
  • • Include or exclude the "data:image/webp;base64," prefix for direct web embedding.
  • • Option to wrap long Base64 strings into multiple lines for better readability in code.
  • • Adjustable line length for wrapping.
  • • Copy the generated Base64 string to your clipboard.
  • • Download the raw Base64 string as a plain text file.
  • • All processing is done client-side in your browser, ensuring privacy and speed.

How to Use

  1. Upload a WebP image using the file uploader.
  2. The image will be automatically converted to a Base64 string.
  3. Adjust Settings (Optional):
    • "Include Data URI Prefix": Adds the `data:image/webp;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/webp;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 or certain code editors).

Are my uploaded images stored?

No. The conversion happens entirely in your browser. Your images are not uploaded to any server, ensuring your privacy and security.

Is there a size limit for WebP to Base64 conversion?

While the tool supports files up to 10MB, very large images will result in extremely long Base64 strings, which can impact browser performance and the readability/usability of the output. Base64 encoding increases file size by about 33%, so a 1MB WebP could become a 1.3MB Base64 string. It's generally recommended for smaller images (e.g., icons, small graphics).

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