Source: https://restorebunny.com/tools/image-to-base64/

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# Image to Base64

Turn a local image into a Base64 data URL for an offline HTML prototype or a small embedded asset. Download the encoded text.

Free · No signupLocal browser processing

**Choose a photo**Up to 16 MP per photo · 20 MB per file · 80 MB per batch

**Result**Ready for your input

Your result will appear here

No signup or server upload.

Data URLs contain the whole file, including any embedded metadata. Treat the encoded text with the same privacy care as the original.

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## How to use image to base64

1. Choose your source file or files from this device.
2. Adjust the controls and inspect the result.
3. Download the output shown by the tool; keep the original files.

## A practical example

Three bytes encode into four Base64 characters before headers. A 30 KB source needs roughly 40 KB of Base64 text, so embedding is not a compression method.

## Frequently asked questions

Is image to base64 free to use?

Yes. This utility works without a signup or paid credit. Files and calculations are processed in this browser.

What should I check before using the result?

Data URLs contain the whole file, including any embedded metadata. Treat the encoded text with the same privacy care as the original.

## Keep working on your photo

- [Browse all free tools](<https://restorebunny.com/tools/>)
- [Check photo resolution](<https://restorebunny.com/tools/photo-resolution-checker/>)

[Browse all free tools](<https://restorebunny.com/tools/>)

By RestoreBunny · Reviewed 2026-10-16. Utilities use local calculations or [browser image processing](<https://developer.mozilla.org/en-US/docs/Web/API/Canvas_API/Tutorial/Pixel_manipulation_with_canvas>). The download button identifies the output format. Animated images export one decoded frame. Keep your original files.