PNG to ICO converter
A free PNG to ICO converter for Portable Network Graphics files. Browser-based pairs here usually run in this tab, with no file upload.
Drop your PNG files here
or browse your device · paste with Ctrl+V
Accepts .png files. You can queue several files; each is processed one after another on your own device.
Your files never leave this device — there is no upload and no server to delete them from.
- 01
Add your PNG files
Drop them onto the box above or click to browse. They are read straight from disk — nothing is sent anywhere.
- 02
Check the settings
ICO is already selected. Open the gear icon on any row if you want to change quality, dimensions or codec before converting.
- 03
Download your ICO
Press convert and wait for the row to finish. Convert several files and you can take them all as a single ZIP.
PNG
Portable Network GraphicsLossless compression with a real alpha channel, created as a free replacement for GIF. Perfect for logos, screenshots and interface art with sharp edges; wasteful for photographs, where JPEG or WebP will be a fraction of the size.
- Developed by
- PNG Development Group / W3C
- Released
- 1996
- Extension
- .png
- MIME type
- image/png
- Compression
- Lossless
- Specification
- Open
ICO
Windows IconA container holding several sizes of the same icon so Windows and browsers can pick the right one. A favicon.ico bundling 16, 32 and 48 pixel versions is still the most reliable site icon there is.
- Developed by
- Microsoft
- Released
- 1985
- Extension
- .ico
- MIME type
- image/x-icon
- Compression
- Lossy or lossless
- PNG is lossless, and ICO can be either. At typical quality settings this lands on lossy and trades size for some quality loss. Keep PNG as a source if you may need a higher-detail version later.
Questions about converting PNG to ICO
Is this PNG to ICO converter free?
Yes. Converting PNG to ICO here is free, with no account, no watermark and no daily quota. The work runs on your own device, so there is no server cost to pass on to you.
Is my PNG file uploaded anywhere?
For browser-based pairs, your file is read locally and converted by Squoosh in this tab. No file payload is uploaded; you may still see analytics and engine downloads in network logs.
Is there a file-size limit for PNG to ICO?
There is no imposed upload cap when it runs in-browser, but each conversion still depends on your device and browser memory. Large videos are the first practical limit, then memory-heavy documents or images.
Does converting PNG to ICO lose quality?
It depends on your selected settings and codec path. Many engines can write either lossy or lossless output for ICO, so you can usually increase quality if this file is your final version.
Can I convert several PNG files to ICO at once?
Yes. Drop in several files and each gets its own row; they are processed one after another on your device. You can download them one by one or as one ZIP.
Does PNG to ICO work on a phone, Mac or Chromebook?
Most modern browsers on Windows, macOS, Linux, ChromeOS, Android and iOS work. Very large videos are often more reliable on desktop or a browser with more memory.
Why do some conversions take longer on first run?
The conversion engine has to download first. Small codec bundles are fast, while ffmpeg is commonly 12–30 MB; later conversions of similar type use the cached engine.
I converted a file and the output is blank or unusable. What should I check?
Start over with default settings, then change one option at a time (quality, bitrate, page size, or codec) to isolate what changed behavior. If it keeps failing, retry with a smaller file and confirm the source format matches the pair.
Convert other formats to ICO
16 formats can become ICO here.
Convert PNG to other formats
A PNG file can become any of these.
ICO to PNG
The reverse conversion
PNG to JPG
PNG to PDF
PNG to WEBP
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