Add your ICO file
Drop one or more .ico files onto the converter above, or browse for them. They load into browser memory only — nothing is uploaded, so there is no size-based pricing and no server queue.
ICO to PNG
Converting a .ico image to .png re-encodes the pixels for a different balance of size, quality, and support. Free, private, and validated — the file never leaves your browser.
Private for supported formats — processed in your browser
Runs on your deviceConvert supported files
Drop ICO files here
Batch files can each use a different output. Nothing uploads for local conversions.
Working inputs include camera RAW, browser-local audio/video, PDF, CBZ/CBR comics, office documents, ebooks, markup, 3D models, structured text, images, and archives.About converting Windows icon to PNG image
Converting a .ico image to .png re-encodes the pixels for a different balance of size, quality, and support. An .ico file is a Windows icon container that bundles the same artwork at several sizes and color depths so the OS can pick the best match for any context. On the web it survives as the classic favicon format, with favicon.ico still the fallback path every browser requests.
A .png file is a losslessly compressed raster image with full 8-bit alpha transparency, making it the standard choice for graphics that must stay pixel-perfect. Screenshots, logos, UI assets, and diagrams are the classic .png territory, since sharp edges and flat color survive without compression artifacts. For this route the practical draw is perfectly lossless, so files can be opened and re-saved indefinitely and true 8-bit (or 16-bit) alpha channel — balanced against photographic content produces files several times larger than JPEG or WebP, which is worth knowing before you commit a large batch.
Why convert ICO to PNG?
The practical trigger for this conversion is usually a mismatch: with .ico, hard 256x256 ceiling makes it useless for general imagery. Switching to .png buys you perfectly lossless, so files can be opened and re-saved indefinitely, which is why it is the better fit for screenshots and screen recordings exported as stills. Because the conversion runs locally, trying it costs nothing but a few seconds of compute on your own machine.
ICO vs PNG at a glance
| Aspect | Windows icon (.ico) | PNG image (.png) |
|---|---|---|
| Format type | Lossless — every pixel or sample is preserved exactly | Lossless — every pixel or sample is preserved exactly |
| How it stores data | a directory header indexes multiple images, each with its own dimensions and bit depth | uses DEFLATE compression preceded by per-scanline prediction filters (None, Sub, Up, Average, Paeth) |
| Strongest at | website favicons served from the /favicon.ico fallback path | screenshots and screen recordings exported as stills |
| Weak spot | hard 256x256 ceiling makes it useless for general imagery | photographic content produces files several times larger than JPEG or WebP |
Pick PNG as the output
Select .png in the output menu next to each file. The menu only offers targets this engine can genuinely produce, so if PNG is selectable, the route is real and validated.
Convert on your device
Press Convert. Decoding and re-encoding happen on your device using the browser's native image pipeline and hand-tuned encoders.
Verify and download
Each result is signature-checked before the download unlocks, so a failed encode can never masquerade as a valid PNG file. Outputs keep the original filename with the .png extension.
ICO to PNG questions, answered
Will converting ICO to PNG lose quality?
Since ico is lossless-oriented and png is lossless-oriented, the conversion preserves the source content exactly as stored; no additional compression pass is applied beyond what .png itself requires.
Is it private to convert ICO files here?
Yes — the .ico file is processed inside your browser tab and never uploaded. Decoding and re-encoding happen on your device using the browser's native image pipeline and hand-tuned encoders. Close the tab and the file is gone from memory.
Where will the PNG file work?
Every modern browser has rendered PNG with full alpha since Internet Explorer 7 fixed its transparency bug in 2006, and native OS support is universal on Windows, macOS, Linux, iOS, and Android. It is also the required format in many contexts, such as iOS app icons and favicon fallbacks.
Will the PNG file be bigger or smaller than my ICO?
It depends on the content: uses DEFLATE compression preceded by per-scanline prediction filters (None, Sub, Up, Average, Paeth). Convert one representative file first and compare before batch-processing a large set.
Can I convert PNG back to ICO?
Yes — the reverse route exists as a separate tool. Bear in mind that round-tripping .ico → .png → .ico is not a perfect undo when any lossy step is involved; keep your original if fidelity matters.