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Base64 Image Converter

Convert images to Base64 data URI strings and vice versa. Generate CSS background-image and HTML img tag snippets for embedding images directly in code.

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Click to upload or drag and drop
PNG, JPEG, GIF, WebP, SVG (max 10MB)

What is Base64 Image Converter?

Base64 Image Converter encodes images to Base64 data URIs for embedding directly in HTML, CSS, or JavaScript. Also decode Base64 strings back to images. Useful for reducing HTTP requests and embedding small images inline.

Common Use Cases

CSS Backgrounds

Embed small images directly in CSS to reduce HTTP requests.

HTML Emails

Inline images in HTML emails to avoid broken image links.

Single Page Apps

Bundle small icons and images directly in JavaScript bundles.

Data Transfer

Encode images for APIs that accept Base64 image data.

How to Use This Tool

  1. Upload an image or paste a Base64 string
  2. View the encoded Base64 data URI
  3. Copy as data URI, raw Base64, or HTML img tag
  4. For decoding, paste Base64 and download as image file

Base64 Image Converter is a free online tool that requires no signup or installation. It works directly in your browser, keeping your data private and secure.