Image to Base64
Convert an image to a Base64 data URI, and decode data URIs back to an image preview.
Drop an image to get its Base64 data URI
What Is the Image to Base64?
The Image to Base64 is a free online tool that lets you convert an image to a Base64 data URI, and decode data URIs back to an image preview. It runs entirely in your browser — your text and files never leave your device, so it's fast and private. There's nothing to install and no sign-up required.
How It Works
Using the Image to Base64 takes seconds. Paste or type your content into the input area (or upload a file where supported), adjust any options to fit your needs, and the result updates instantly. You can then copy the output to your clipboard, download it, or clear everything and start again. Because all processing happens locally with JavaScript, it works offline once the page has loaded.
When to Use It
Reach for the Image to Base64 whenever you need a quick, reliable way to convert an image to a Base64 data URI, and decode data URIs back to an image preview. It's popular with writers, students, developers, marketers and anyone who works with image & media day to day. Bookmark it alongside the other Image & Media in our toolbox so it's always one click away.
Frequently Asked Questions
- Is the Image to Base64 free to use?
- Yes. Every tool on the site is completely free, with no account, login or download required.
- Is my data private?
- Absolutely. The Image to Base64 processes everything locally in your browser. Your text and files are never uploaded to a server, so your data stays on your device.
- Does it work on mobile?
- Yes. The Image to Base64 is fully responsive and works on phones, tablets and desktops in any modern browser.
- Do I need to install anything?
- No installation is needed — it runs in the browser. We also offer an optional browser extension and mobile app for quick access to popular conversions.
Last reviewed: 2026-06-27