PNG to ICO Converter — Free & Fast Online Tool
Drag & drop your images here
Only PNG files accepted
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About PNG to ICO Conversion
Turning a PNG logo into a favicon is one of the most common icon tasks there is, and it trips people up because browsers and operating systems don't just want the image — they want it packaged as an ICO file with several sizes bundled in. This converter takes your PNG and builds a proper multi-resolution ICO instantly in your browser.
PNG vs ICO: Why Convert?
PNG is a general-purpose raster format: a single image at a single resolution, with lossless compression and full transparency support. It's what most logos, screenshots, and web graphics are saved as, but browsers, Windows, and app builders don't treat a .png as a valid favicon or application icon on their own.
ICO is a container built specifically for icons — it can hold several resolutions of the same image (16×16, 32×32, 48×48, and more) in a single file, letting the browser tab, taskbar, or desktop shortcut automatically use whichever size fits. Converting PNG to ICO takes your source image and generates these icon-sized renditions, packaged the way browsers and Windows actually expect.
Because PNG already supports transparency, converting to ICO preserves transparent backgrounds cleanly — which matters for logos and icons meant to sit on top of a colored browser tab or taskbar rather than a white box.
When to Convert PNG to ICO
- Creating a website favicon from a PNG logo or brand mark
- Building a desktop application icon for a Windows program
- Setting a custom folder or shortcut icon on Windows
- Preparing app store or software distribution assets that require the ICO format
- Replacing a generic default icon with a branded PNG across a project
- Bundling multiple icon sizes into one file instead of managing separate image assets
- Converting a photo-based icon instead — our JPEG to ICO converter works the same way for JPEG sources
Conversion runs entirely in your browser — your PNG is never uploaded to a server.
Frequently Asked Questions
Upload your PNG using the drag-and-drop area or file picker above, select ICO as the output format, and download the result — the multi-size icon file is generated instantly in your browser, with nothing uploaded to a server.
Most browsers and platforms specifically look for the .ico format (or accept it as the most reliable fallback), and ICO files can bundle several resolutions in one file so the right size is used automatically in tabs, bookmarks, and shortcuts. A plain PNG doesn't support that multi-resolution packaging.
Yes. ICO fully supports alpha transparency, so a PNG logo or icon with a transparent background converts cleanly without picking up a solid color fill.
The converter generates the standard sizes browsers and operating systems expect (typically including 16×16, 32×32, and 48×48), bundled into a single .ico file so the appropriate size is used automatically depending on context.
Yes, upload multiple PNG files and the converter processes each one into its own ICO file, downloadable individually or as a batch.
It's completely free with unlimited conversions, and nothing is uploaded — the ICO file is generated locally in your browser using JavaScript.