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Convert PNG to AVIF

Change PNG pictures into AVIF, many at once. Nothing is uploaded: it all happens in your browser.

Your photos never leave your device. Everything happens inside this browser. Nothing is uploaded and nothing is stored, so nobody else can see your pictures.

Settings

Save as

Lower makes a smaller file. 70 to 80 looks the same as the original for most photos.

Pictures are never made bigger than the original.

More image tools

Why convert PNG to AVIF?

AVIF keeps see-through backgrounds and makes most PNG pictures many times smaller.

About PNG and AVIF

PNG is a lossless format: it keeps every pixel exactly and supports see-through backgrounds. AVIF is the newest widely supported format. Photos are often half the size of JPG at the same quality.

How to convert

1. Drop your PNG files on the box above, or tap "Choose photos". 2. Move the quality slider and watch the size and the before and after view. 3. Download each picture, or all of them as one ZIP file.

  • PrivatePictures stay on your device. Nothing is uploaded.
  • FreeNo ads, no sign-up, no watermark and no file limit.
  • Many at onceDrop 20, 50 or more photos and download one ZIP.
  • Clean photosHidden location and camera data removed.