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Convert PNG to ICO offline, for free
Make a Windows app icon or website favicon from any PNG. The ICO file holds 16, 32, 48 and up to 256 pixel versions. No upload, no file size limit, no watermark.
Free macOS · Windows · Linux Version 0.1.1 16 downloads
How to convert PNG to ICO
- Download nxtconvertIt’s free for macOS, Windows and Linux. Install it like any other app.
- Add your PNG filesDrag them onto the window, or click Browse files. You can add as many as you like.
- Choose ICOPick ICO in the format menu next to each file, or use “Set all to” for the whole batch.
- ConvertPress Convert. Your ICO files appear in Downloads/nxtconvert, and the originals stay untouched.
PNG and ICO
PNG is lossless and supports transparency, which makes it the usual choice for screenshots, logos and graphics with sharp edges.
ICO holds a Windows or website icon at several sizes in one file. nxtconvert writes 16 to 256 pixel versions.
In Settings you can choose the image quality (Maximum to Smallest) and whether to keep or strip metadata such as camera details and location.
Why convert on your computer?
Online converters upload your PNG files to someone else’s server, limit file sizes and often add queues or watermarks. nxtconvert does the work locally with the same engines professional tools use, so it’s private, works offline and handles large files and big batches.