verified_user 100% private · runs in your browser

Image to Base64

Encode any image as a Base64 data URI you can paste straight into HTML, CSS, JSON or email templates. Free, no sign-up, and your files never leave your device.

data_object

Drop Image files here

or choose files to convert to Base64

lock Processed locally. Nothing is uploaded to any server.

How to convert Image to Base64

1

Add your Image files

Drop them above or choose them from your device. You can add many at once.

2

Convert to Base64

Base64 is preselected. Click Convert, or Convert all for a batch.

3

Download

Your Base64 files are ready instantly. Nothing was uploaded.

What people use it for

Image to Base64 FAQ

What do I get?

A text file containing a data URI like data:image/png;base64,...

Should I inline big images?

No. Base64 adds about a third to the size. Use it for small images.

Is it free?

Yes. File Fusion is free and open source, with no limits, ads or watermarks.

Are my files uploaded?

No. The conversion runs in your browser, so your files never leave your device.

More free converters

picture_as_pdfImage → PDFSubmit receipts and IDs to forms that require PDF imagePNG → JPGCut screenshot file sizes for email and chat photoJPG → PNGEdit images without repeated quality loss photoWEBP → PNGOpen web images in older editors and apps imageWEBP → JPGShare web images with anyone boltJPG → WEBPSpeed up page loads and Core Web Vitals audiotrackMP3 → WAVImport into DAWs and samplers grid_onCSV → MarkdownAdd tables to GitHub READMEs

Found it useful?

Help others find a converter that respects their privacy.

Star on GitHub link Copy link