Image to Base64
Encode an image as Base64 or a data URL.
- 100% free
- Private in browser
- No signup
- No watermarks
Select imageTap to choose a fileJPG, PNG, WebP, GIF, SVG
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About Image to Base64
Embedding icons in CSS or HTML emails? Image to Base64 on TheToolss reads your file with FileReader and outputs both the raw Base64 string and a ready-to-paste data URL. Inlining small assets removes a network request, which is why email templates and critical CSS often use it — but Base64 adds roughly a third to file size, so it pays off on icons and hurts on photographs. Works with JPG, PNG, WebP, GIF, and SVG. Pair it with Base64 Encode and Decode for text payloads. Free, private, no signup.
How to use Image to Base64
- Upload an image.
- Copy raw Base64 or the data URL.
- Paste into CSS, HTML, or JSON as needed.
Key features
- JPG, PNG, WebP, GIF, SVG
- Raw Base64 and data URL
- On-device FileReader encoding
- Copy buttons for both outputs
- Private browser tool
Frequently asked questions
- Is Image to Base64 free?
- Yes. Use Image to Base64 free on TheToolss — no signup required.
- Is my data uploaded?
- No. Processing runs locally in your browser whenever possible.
- Can I use it on mobile?
- Yes. Open the tool in a mobile browser.
- Do I need an account?
- No account is required.
- Does it work privately?
- Yes. Client tools keep your inputs on-device.