Convert ICO images to HEIC format online for free. Fast, secure, client-side processing with zero uploads required. No registration, no watermarks, completely private.
Supports images up to 50MB and 100MP
Or press ⌘/Ctrl + O
Icon format for Windows applications
Apple's modern format used in iOS devices
Click "Choose Files" or drag your ICO images into the converter area.
Select HEIC as output format and adjust quality settings if needed.
Your converted HEIC files will be ready for download in seconds.
All conversion happens locally in your browser. Your ICO files never leave your device, ensuring complete privacy and security.
Yes, absolutely! QuickImager processes all images locally in your browser. Your ICO files never leave your device, ensuring complete privacy and security.
HEIC uses lossy compression, but with proper quality settings, the difference is minimal and often imperceptible. QuickImager uses high-quality settings by default.
Conversion is typically very fast (seconds) since it uses your computer's processing power directly via WebAssembly. No uploading or waiting for servers!
Yes! QuickImager supports batch conversion. Upload multiple ICO files and convert them all to HEIC at once, then download individually or as a ZIP file.
Converting ICO to HEIC offers several advantages: better compatibility and smaller file sizes. This makes HEIC ideal for web use and sharing.
No installation required! QuickImager works entirely in your web browser. Just open the page, upload your images, and start converting. No software downloads or plugins needed.
The conversion is limited only by your browser's memory. Most modern browsers can handle images up to several hundred megabytes. For very large files, we recommend processing them in smaller batches.
Metadata preservation depends on the formats involved. QuickImager will preserve compatible metadata when converting between formats that support it.