Image to Base64 Converter - For Developers Who Value Privacy

Every front-end developer hits this problem eventually: you need to embed a small image directly in HTML, CSS, or a JSON config - no separate request, no extra file in the build pipeline. The answer is Base64 encoding via a Data URI, and the question becomes "how do I get this PNG into a `data:image/png;base64,…` string without uploading my asset to a random website?" OptiPix's free Image to Base64 Converter does it entirely in your browser, in both directions, with sensible developer-focused output.

What makes OptiPix's Base64 converter different

There are dozens of "image to base64" sites online. Most have three problems: they paywall large files, they upload your image to do the conversion, or they give you a string and nothing else. OptiPix solves all three:

Key features

How to use it

1. Open the Image to Base64 tool.

2. Drop one or more images, or switch to Decode mode and paste a Base64 string.

3. Pick an output format if you want a smaller string (JPEG/WebP at 80% quality is a great default).

4. Tap Copy Data URI, Copy raw Base64, or Copy HTML depending on what you need.

Who is it for

Need to make the image smaller before encoding? Run it through our Image Compressor - a 30 KB PNG produces a much friendlier Data URI than a 1 MB one. And if you're working with SVG instead of raster images, our Image to SVG vectorizer pairs nicely.

Try the Image to Base64 converter free at OptiPix.art - your files never leave your browser.