PNG → ICO
PNG → ICO. Convert images locally, adjust settings and download. Your files stay on this device. Processing happens in your browser.
Enable JavaScript to use the tools. Files are processed in your browser.
How to convert PNG to ICO
Tap the box above and select one or more PNG files.
Adjust the options if you need to.
Each converted image appears below. Tap it to download.
When to convert PNG to ICO
You are building a website and need a favicon.ico for browsers and bookmarks.
You want a custom icon for a Windows shortcut or folder.
A tool or CMS asks you to upload an .ico file.
About PNG
PNG (Portable Network Graphics) is a lossless format: every pixel is stored exactly, so text, logos, screenshots and diagrams stay sharp no matter how often you save them. It supports full transparency through an alpha channel. The downside is size: a photograph saved as PNG is usually several times larger than the same photo as JPG.
About ICO
ICO is the icon container used by Windows and by browsers for favicons. One ICO file can hold several sizes of the same icon, and modern ICO files may store each size as a PNG image. Browsers pick the most suitable size, which is why a favicon.ico usually contains at least 16×16 and 32×32 versions.
How it works
The page loads the conversion code into your browser: it decodes the image into pixels, then writes it with the browser's image encoder (or packages PNG images inside an ICO file). Conversion does not send the selected images to a conversion server. Closing the tab clears its working data; downloaded files remain on your device. Page, script, advertising or analytics requests are separate from file processing; see Privacy.
Limitations
Very large PNGs (tens of megapixels) need a lot of memory, especially on phones.
The icon is fitted into a square; non-square images get transparent padding. The file contains 16, 32, 48 and 256 pixel sizes stored as PNG, which current Windows versions and browsers read.
The output is a new image drawn by the browser, so camera metadata (EXIF, such as date and GPS location) is generally not kept, and embedded colour profiles may not be preserved.
How large a file you can convert depends on your device's memory; on phones, convert a few files at a time.
Related tools
WebP → PNG
PNG → JPG
JPG → PNG
HEIC → PNG
AVIF → PNG
SVG → PNG
Frequently asked questions
Is this PNG to ICO converter free?
Yes. It is free with no sign-up, no watermark and no daily limit.
Are my images uploaded?
No. Conversion runs locally in your browser and your images are never sent to a server.
Can I convert several files at once?
Yes. Select multiple files and each one is converted and listed for download.
Why is the converted file bigger or smaller?
PNG and ICO compress images differently. Lossless PNG files are usually larger, while lossy JPG and WebP files are usually smaller; the exact result depends on the picture and the quality setting.
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