Image Runs in your browser

Image to Base64

Convert image files to Base64 data URLs for inline embedding. 100% private — runs entirely in the browser.

100% Private Works Offline Instant

or drag-drop, or paste (Ctrl+V) · SVG is kept as text, no re-encode

Pre-encode resize (optional)

Max width

Max height

Quality: 90%

Resize is applied before encoding to shrink the output string. Aspect ratio is preserved.

Privacy: encoding runs locally via FileReader. Your files never leave the browser. Note: Base64 inflates size by ~33%.

About Image to Base64

Convert image files to Base64 data URLs for inline embedding. 100% private — runs entirely in the browser. Everything runs locally in your browser — your data never leaves your device.

How to use

Enter your input in the tool above.
Adjust any options to your preference.
Use the Copy or Download buttons to save the result.
Everything happens locally — your data never leaves your browser.

FAQ

Are my images uploaded?

No. Conversion runs locally using FileReader. Your images never leave your browser.

What extras does this tool have?

Extras: (1) multi-format support, (2) data URL output, (3) raw base64 output, (4) copy to clipboard, (5) drag-and-drop, (6) MIME detection, (7) size readout, (8) accessible labels, (9) no upload, (10) re-encode option, (11) quality slider, (12) fast, (13) keyboard-friendly.