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Convert PNG to AVIF offline, for free
Turn PNG images into AVIF images on your own computer, one file or hundreds at a time. No upload, no file size limit, no watermark.
Free macOS · Windows · Linux Version 0.1.1 16 downloads
How to convert PNG to AVIF
- 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 AVIFPick AVIF in the format menu next to each file, or use “Set all to” for the whole batch.
- ConvertPress Convert. Your AVIF files appear in Downloads/nxtconvert, and the originals stay untouched.
PNG and AVIF
PNG is lossless and supports transparency, which makes it the usual choice for screenshots, logos and graphics with sharp edges.
AVIF is the newest web image format. It is often half the size of JPG at similar quality and is supported by all current browsers.
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.