Toolzie

Image to Base64 Converter

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How to Use the Image to Base64 Converter

Upload image. Convert to Base64 data URL. Copy full URL or raw Base64.

Embed small images in HTML/CSS. Eliminates HTTP requests for tiny images.

Frequently Asked Questions

When use?

Small images <10KB; larger images need proper caching.

Why larger?

~33% size increase but eliminates request.

HTML usage?

Formats?

PNG, JPG, GIF, WebP, BMP, SVG.

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About This Tool

Convert any image to a Base64-encoded data URI with the Toolzie Image to Base64 Converter. Use the output to embed images directly in HTML, CSS, or JSON — eliminating the need for a separate image file request.

How to Use

  1. Upload your image or paste an image URL.
  2. The Base64 data URI is generated instantly.
  3. Copy the result and paste it into your HTML src attribute or CSS background-image property.
  4. Use the preview to confirm your image is encoded correctly.

Frequently Asked Questions

Why would I embed an image as Base64?

Embedding images as Base64 eliminates an extra HTTP request, which can speed up small icons and inline images in email templates and CSS.

Does Base64 increase file size?

Yes — Base64 encoding increases the data size by approximately 33%. Use it selectively for small images.

What formats are supported?

All common image formats including JPG, PNG, GIF, SVG, and WebP.

Is my image uploaded to a server?

No — conversion is done entirely in your browser.