Encode supported images into Base64 strings online with a simple tool. Convert image files for use in HTML, CSS, JavaScript and web development.
or drop image file here
Convert images to Base64 online with our free Image to Base64 Converter. Upload a JPG, PNG, WebP, GIF, or other supported image and instantly encode it into a Base64 string. Base64 image data can be useful for developers working with HTML, CSS, JavaScript, APIs, data URLs, and web applications where images need to be embedded directly into code or data. Simply upload your image, generate the Base64 output, and copy the encoded result.
Drag & drop your file into the tool above, or click Choose Files to browse.
Adjust any settings in the panel on the right to match your needs.
Click the action button and wait a moment while we process your file.
Download your result instantly — 100% browser-based, nothing leaves your device.
Built for speed, privacy and reliability — on any device.
Just upload your file and the tool handles the rest. No manual adjustments or software needed.
Everything runs directly in your browser. Your files never leave your device — 100% private.
Works on any modern browser on desktop, tablet or mobile — Mac, Windows, iOS, Android.
No subscriptions, no sign-ups, no hidden fees. Use Image to Base64 as many times as you need.
Advanced processing algorithms ensure your images look sharp and professional after conversion.
Yes, Image to Base64 is completely free. There are no hidden fees, subscriptions or account requirements. Just open the tool and start.
Image to Base64 runs entirely in your browser. Your files are never uploaded to any server — they stay on your device the whole time, so your data is always private.
There is no hard file size limit enforced by the tool. Very large files may take longer to process depending on your device's memory and browser performance.
The tool supports the most common image formats including JPG, PNG, WebP, GIF and BMP. Output format options are shown in the settings panel.
The tool works in all modern browsers including Google Chrome, Mozilla Firefox, Microsoft Edge, Safari and Opera. We recommend keeping your browser up to date for the best experience.
Step-by-step guide with screenshots and tips.
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