ICO Icon Generator
2. Choose Sizes
3. Render Options
Mask applied to every size. Set 0 for square. iOS-style ≈22% of icon size.
4. Tải xuống
Live Xem trước
Each tile shows the actual rendered output at that size (1× and 4× upscaled for inspection).
How to Use
1
Upload Image
Drop a square image (any common format).
2
Pick Sizes
Toggle chips to select exactly which sizes you want.
3
Tweak
Adjust scaling, rounded corners, background, and padding.
4
Download
Download a single .ico file or a full ZIP pack.
Detailed User Guide
Step 1: Upload a Square Image
Drag and drop a square image. PNG with transparency works best.
Step 2: Pick Sizes
Toggle the size chips. The ICO file will contain exactly the selected sizes.
Step 3: Adjust Rendering
Configure scaling, rounded corners, background, and padding.
Step 4: Preview
Each selected size is rendered in the preview grid.
Step 5: Download
Click "Download ICO" for a single file, or "Download ZIP Pack" for every size as PNG.
ICO File Format
ICO is a container format that can hold multiple image sizes in one file. Each entry is a full image (modern ICO uses PNG).
Frequently Asked Questions
Favicon Generator is for web (fixed sizes + HTML snippet). ICO Icon Generator is for desktop/app icons (custom sizes).
No. Everything runs in your browser using the Canvas API.
Yes. Each entry inside the .ico container is a full PNG payload.