Convert BMP to ICO in your browser. ICO is a lossless format with universal support across browsers and apps, which affects quality, file size, and compatibility. Best for application icons, favicons, and conversion stays private with no uploads.
Supports images up to 50MB and 100MP
Or press ⌘/Ctrl + O
Uncompressed bitmap format
Icon format for Windows applications
Click "Choose Files" or drag your BMP images into the converter area.
Select ICO as output format and adjust quality settings if needed.
Your converted ICO files will be ready for download in seconds.
All conversion happens locally in your browser. Your BMP files never leave your device, ensuring complete privacy and security.
Drop your BMP files into the converter, choose ICO as the output format, and convert. Your converted files are ready to download in seconds, and nothing is uploaded.
The BMP to ICO converter is free to use and runs locally in your browser. Your files stay on your device, so the conversion is private with no uploads.
Batch conversion supports up to 20 files at a time. Each file can be up to 50MB (and up to 100MP), and you can download results individually or as a ZIP.
No quality loss! ICO uses lossless compression, so your image quality will be preserved perfectly when converting from BMP.
For the web, ICO is supported across virtually all browsers and typically results in small file sizes. If you need maximum compatibility, JPG and PNG are safe defaults; for smaller files, WebP or AVIF are often better.
No. ICO does not support metadata, so EXIF and similar data will be removed during conversion.
QuickImager can work offline after the page (and any required format libraries) have loaded once. All conversion happens locally in your browser with no uploads.