SVG to Icon
Generate ICO Favicons & ICNS macOS App Icons from SVG
Build multi-size icon bundles for websites, desktop apps, and shortcuts. Pick a target size and every standard slot up to that size is packed automatically, for web developers and icon designers.
ICO uses fixed sizes: 16, 32, 48, 64, 128, 256. We'll generate every slot up to your target and pack them into a single .ico file.
Will include 16, 32, 48, 64, 128, 256
Preview
What is ICO?
ICO is the Windows icon container format used for favicons, application icons, and desktop shortcuts. An ICO file can hold one or more raster images (typically 16×16 up to 256×256) inside a single file.
What is ICNS?
ICNS is Apple's icon container format used by macOS for application bundles and document type icons. An ICNS file holds one or more PNG images at standard sizes (16, 32, 64, 128, 256, 512, 1024 pixels).
When to convert SVG to ICO or ICNS
Browsers and operating systems use container icon files. Convert SVG to a multi-size .ico when you need a Windows favicon, a desktop shortcut, or an app icon. The file packs every standard size (16, 32, 48, 64, 128, 256). Convert SVG to .icns when packaging a macOS app, an Electron or Tauri bundle, or replacing a custom document-type icon. The file packs every macOS slot up to 1024 px. One source SVG, one file per platform, every required size baked in.
How to convert SVG to a multi-size ICO or ICNS icon online
- Drop your file (or click SELECT FILES) to add it to the queue.
- Adjust the options on the left (format, size, background, quality) and watch the preview update.
- Click SAVE ALL to download the converted file (or a ZIP if you uploaded multiple files).
Privacy and security
Your files never leave your computer. The conversion runs entirely in your browser using JavaScript and WebAssembly. There is no upload, no server, and no analytics tracking the contents of your files.
Because nothing is uploaded, the tool is safe to use with confidential logos, internal documents, and proprietary artwork.
Frequently asked questions
What's the difference between ICO and ICNS?
ICO is the Windows favicon and shortcut format, used by browsers, the desktop, and the taskbar. ICNS is the macOS icon format used by .app bundles, Finder, and the Dock. Both bundle multiple sizes into a single file so the OS can pick the right one for each context.
Why does the file contain multiple sizes?
A favicon shows at 16×16 in a browser tab, 32×32 in bookmarks, and 48–256 px on the desktop. macOS goes from a 16×16 list view all the way up to a 1024×1024 splash screen. Bundling every standard size means the OS always picks the sharpest, correctly-sized variant, with no separate files to manage.
Can I generate just one size?
Pick the smallest target size and the converter only generates slots up to that target. If you really need a single-resolution file, ICO and ICNS both support that, but most platforms expect a multi-size bundle — the largest design may not look right when scaled down to a tiny menu-bar icon, for example.