ICO Converter
— Windows Icon
ICO is the standard format for Windows application icons and browser favicons. Supports multiple sizes in a single file — essential for app development and web design.
Drop your files here or browse local directory
Up to 150 MB per file · 1 file at a time · 56 formats
Vectorization Settings
Controls how your image is converted to vectors
Better source = better vectors
Upscales your image before vectorization for sharper, cleaner results. Takes a few extra minutes.
Image Type
Output Detail
Auto = smooth curves with fewer nodes. High = more detail, more nodes.
Color Count
Fewer colors = fewer objects. Best for logos. Auto lets the engine decide.
Remove Background
Auto-detect and remove background color
Black & White Mode
Ideal for stamps, signatures, ink drawings
Convert from ICO
Pick a target format to start a ICO conversion.
Convert to ICO
Pick a source format to convert into ICO.
How to convert ICO files
Upload your ICO file
Click the upload area or drag and drop your ICO file. Files up to 150 MB are supported.
Choose an output format
Select your target format from the picker. AsanConvert supports 56 formats across design, image, document, audio, video, and eBook categories.
Download the result
Your converted file is ready in seconds. Files are automatically deleted after 3 hours — no account required.