Image to Base64 Converter
Convert any image to a Base64 data URI string. Get HTML img tag and CSS background snippets ready to paste.
About the Image to Base64 Converter
Convert any image to a Base64 data URI string. Get HTML img tag and CSS background snippets ready to paste.
Image to Base64 Converter is a free browser-based tool on QuickFnd. Convert any image to a Base64 data URI string. Get HTML img tag and CSS background snippets ready to paste. No installation or account required — runs entirely in your browser on desktop and mobile.
- Type
- Tool
- Method
- RFC 4648 Base64 encode/decode, handles UTF-8 correctly
- Runs in
- Your browser — no account, no install
- Price
- Free
- Privacy
- Inputs stay on your device unless the tool says otherwise
Frequently asked questions
Base64 embeds the image directly in HTML or CSS as a data URI. This eliminates an extra HTTP request, which is useful for small icons, email templates, and inline images.
Yes. Base64 encoding increases the data size by approximately 33%. It is best for small images under 10KB. For larger images, use a regular image URL instead.
Yes. Base64 data URIs work in most email clients and eliminate the need for hosted image URLs. This is one of the most common use cases.
You can convert JPG, PNG, WebP, GIF, and SVG images. The tool generates the correct MIME type automatically.
Copy the data URI and paste it into an HTML img src attribute or a CSS background-image url(). The tool provides ready-to-paste snippets for both.
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