Convert BMP to ICO
Free BMP to ICO converter that runs entirely in your browser. No uploads, no signup required.
Drop BMP files here
or browse your device. Free, no signup required, no watermarks.
Files are processed on your device, never uploaded
Three steps
How to convert BMP to ICO
Add your files
Drop BMP files into the box above, or click it to browse. Add several to batch convert.
Convert
ICO is already selected as the output. Hit Convert. Your browser does the work locally.
Download
Save each converted ICO file. Pro ZIPs whole batches in one click.
Bitmap image
BMP
BMP is an uncompressed Windows bitmap format: large files, but universally readable by legacy software.
Windows icon
ICO
ICO is the Windows icon format used for favicons and app icons, packing multiple sizes into one file.
Why convert BMP to ICO?
BMP is an uncompressed Windows bitmap format: large files, but universally readable by legacy software. ICO is the Windows icon format used for favicons and app icons, packing multiple sizes into one file. Converting from BMP to ICO gets you the best of the target format wherever BMP falls short, whether that's compatibility, file size, or what your apps and devices can open. With FormatFusion the switch takes seconds and your files stay on your device the whole time.
Questions
BMP to ICO: common questions
Is this BMP to ICO converter free?
Yes. It is completely free with no watermarks and no account required, for files up to 1 GB each. Convert one file or a hundred.
Is it safe to convert BMP files here?
Safer than any upload-based converter. The conversion runs locally in your browser, so your BMP files are never sent over the internet and never touch a server.
Will I lose quality converting BMP to ICO?
No. This conversion preserves your content, and ICO output keeps everything the format supports.
Can I convert multiple BMP files at once?
Yes. Free converts up to three BMP files at a time. FormatFusion Pro batches without limits and downloads whole runs as a single ZIP.
Does it work on iPhone and Android?
Yes. FormatFusion runs in any modern mobile or desktop browser. No app install needed.