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Image to Base64

Drop an image to get its Base64 string, data URI, and ready-to-paste HTML/CSS snippets — instantly, without uploading anything.

Drop an image here, or click to browse

PNG, JPG, GIF, SVG, WebP, BMP, ICO — processed locally

Why convert images to Base64?

Embedding an image as a Base64 data URI puts the image bytes directly inside your HTML, CSS, JSON, or email — no separate file, no extra HTTP request, no broken links. It is the standard trick for inlining small icons in stylesheets, embedding logos in HTML emails (where external images are often blocked), shipping single-file reports and dashboards, and storing small images in JSON APIs or configuration files.

The trade-off: Base64 is ~33% larger than the binary original and is not cached independently of the page. Keep data URIs for assets under roughly 10 KB and serve bigger images as normal files. Need the reverse direction? Use Base64 to Image to preview and download an image from a Base64 string.

Frequently Asked Questions

›How do I convert an image to Base64?

Drag an image onto the drop zone above (or click to browse). You instantly get the raw Base64 string, a data: URI, and ready-to-paste HTML <img> and CSS background-image snippets.

›When should I embed images as Base64 data URIs?

For small assets (icons, logos, tiny backgrounds — ideally under ~10 KB) where saving an HTTP request matters, or in single-file HTML emails, reports, and offline pages. For large images, a normal file reference is faster because Base64 adds ~33% size and cannot be cached separately.

›Is my image uploaded to a server?

No. The image is read with the browser FileReader API and converted locally. It never leaves your device — you can even use this page offline.

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