BMP to ICO Converter
Convert your uncompressed BMP images into perfectly square ICO files for favicons and apps.
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Drag & Drop Your BMP Image Here
or
How to Convert BMP to ICO
Turn a BMP picture into an .ico file for a Windows shortcut, folder or website icon.
Upload Your BMP
Click the upload box or drag in your BMP file.
Convert
Choose the icon size you need (16, 32, 48, 64, 128 px) and convert.
Download the ICO
Check the preview and download your new ICO file.
From
BMP
To
ICO
Works
In your browser
Devices
Phone & computer
Price
100% free
Watermark
None
BMP vs ICO: What Changes?
BMP is an old Windows picture format that stores every pixel without any compression, so files are very large. Converting to ICO turns it into an icon you can use as a website favicon or a Windows icon.
| BMP | ICO | |
|---|---|---|
| Best for | Old Windows programs & devices | Favicons & Windows icons |
| File size | Very large | Tiny |
| See-through background | No | Yes |
| Animation | No | No |
| Opens on | Windows & most image apps | Browsers, Windows, icon editors |
When to Convert BMP to ICO
Common reasons people change BMP files to ICO.
Old Windows Pictures
Paint, older scanners and older Windows programs often save BMP files.
Huge Files
BMP stores every pixel without compression, so files get very large.
Windows Icons
Custom icons for shortcuts, folders and programs.
App Projects
Developers need .ico files for Windows apps and installers.
Tips for Converting BMP to ICO
- Converting a BMP almost always makes the file much smaller.
- Use a square picture with a simple design — tiny icons can't show small details.
- Upload the .ico to your website's main folder as favicon.ico, or link it in your page settings.
Frequently Asked Questions
Quick answers about converting BMP to ICO.
Upload your BMP file, choose the icon size, let the tool convert it and click download. It takes a few seconds and it's free.
Your image never leaves your device — it is converted right in your browser, not uploaded or saved anywhere. No sign-up and no watermark.
Icons are small, so your picture is made smaller to the size you choose. Simple, bold designs look best.
Very small — icons are only a few kilobytes because they are tiny pictures.
For a website favicon, 32×32 or 48×48 is the usual choice. For Windows icons and sharp results on big screens, choose 128×128. This tool offers 16, 32, 48, 64, 128 px.
BMP is an old Windows picture format that stores every pixel without any compression, so files are very large.
This tool converts one picture at a time, so you can check each result before downloading.
Yes. It works in any modern browser on Android, iPhone, iPad, Windows and Mac. Files up to 15 MB and 4000 × 4000 pixels are supported.
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Upload your BMP and download a ICO in seconds. 100% free, no sign-up, no watermark.
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