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About PNG to ICO
Convert PNG to ICO
PNG to ICO converts PNG files to ICO. PNG is a lossless raster format that supports full transparency. It suits screenshots, logos and graphics with sharp edges, but photographs make large PNG files. ICO is the Windows icon format, used for favicons and application icons, normally at small sizes such as 16, 32 or 48 pixels.
What to know about PNG to ICO
The formats involved, when to use this conversion, and where it runs.
About PNG
PNG is a lossless raster format that supports full transparency. It suits screenshots, logos and graphics with sharp edges, but photographs make large PNG files.
About ICO
ICO is the Windows icon format, used for favicons and application icons, normally at small sizes such as 16, 32 or 48 pixels.
Best for
Favicons and Windows application icons.
Where it runs
Converted on our servers with our image processing service. The file travels over HTTPS and is deleted automatically afterwards.
Works everywhere
Desktop, tablet, or mobile—use the same workflow on any device.
Free to use
Start converting for free with no account. Paid plans raise limits; see the Pricing page.
How PNG to ICO works
What happens to your file from upload to download.
1
Upload your PNG file
The file type and size are checked before anything is processed, so unsupported files are rejected straight away.
2
Convert on our servers
The file is uploaded over HTTPS and converted to ICO with our image processing service.
3
Download the ICO file
Save the result to your device. Copies on our servers are deleted automatically by a cleanup job.
More PNG and ICO conversions
Other conversions available for these formats; search above to open them.
From PNG
PNG
→
Convert to
SVGJPGWEBPGIFBMPTIFF
How to use PNG to ICO
Step-by-step instructions for this conversion.
01
Add your file
Add your PNG file by dragging it into the upload area or choosing it from your device.
02
Choose the output
Confirm ICO as the output format and, if offered, adjust quality or size.
03
Run the conversion
Start the conversion. The file is uploaded and converted on our servers while the progress bar updates.
04
Download and check
Download the ICO file and check it before deleting the original.
Good to know: PNG to ICO
Differences between the two formats that affect the result.
01
Icons are small; use a square image with a simple design for the clearest result. Images larger than 1,024 pixels are scaled down to fit.
PNG to ICO
PNG to ICO in a sentence
PNG to ICO converts PNG files to ICO.
PNG to ICO
Best for
Favicons and Windows application icons.
PNG to ICO
What to expect
You download a new ICO file; your PNG file is not changed.
Private by design
This conversion runs on ToolzStack servers: your file is uploaded over HTTPS, converted, and kept only so that you can download the result. An automated cleanup job then deletes it (see the Privacy Policy for the current retention period).
HTTPS in transit
Auto-Delete
Privacy Policy
Encrypted in transit (HTTPS)
No registration required
No watermarks added
Large files supported within plan limits
Ready to use PNG to ICO?
Start a new conversion or jump to a related tool above.
FAQs for PNG to ICO
Common answers so you can keep moving.
What is the difference between PNG and ICO?
PNG is a lossless raster format that supports full transparency. It suits screenshots, logos and graphics with sharp edges, but photographs make large PNG files. ICO is the Windows icon format, used for favicons and application icons, normally at small sizes such as 16, 32 or 48 pixels.
Will converting PNG to ICO change quality?
Icons are small; use a square image with a simple design for the clearest result. Images larger than 1,024 pixels are scaled down to fit.
Is my PNG file uploaded to a server?
This conversion runs on ToolzStack servers: your file is uploaded over HTTPS, converted, and kept only so that you can download the result. An automated cleanup job then deletes it (see the Privacy Policy for the current retention period).
My PNG file will not convert
Make sure the file really is PNG (renaming an extension does not change the format) and that it opens correctly on your device. Password-protected, DRM-protected or corrupted files are rejected. If the file is very large, try again with a smaller one.
The output does not look right
Icons are small; use a square image with a simple design for the clearest result. Images larger than 1,024 pixels are scaled down to fit.