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PNG to AVIF

Free PNG to AVIF converter. Convert PNG images to next-gen AVIF for much smaller files. No sign-up, no watermark, 100% private.

Drop your PNG file here

or click to browse — PNG files
PNG
Fast, private conversion — no sign-up, no watermark
Private — never stored Fast & secure Unlimited & free

How to convert PNG to AVIF

Three steps, a few seconds — no account needed.

1

Upload your PNG file

Drag and drop or browse to add your PNG file.

2

Convert to AVIF

The output format is set to AVIF automatically.

3

Download

Save your new AVIF file instantly.

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Why use SharkFoto's png to avif

Private & never stored

Common formats are processed right in your browser; advanced formats use our secure server and are deleted immediately — never stored.

Instant & unlimited

No queue and no daily limits. Use it as much as you want, free forever.

No watermark, no sign-up

Download clean files immediately — no account, no email, no watermark.

Convert PNG to AVIF online, free

Shrink your images dramatically by converting PNG to AVIF — the next-generation format that’s often 50% smaller than PNG at the same quality, with transparency support. Perfect for fast-loading modern websites.

Why switch to AVIF

AVIF gives you PNG-like quality and transparency at a fraction of the size, cutting page weight and load times for browsers that support it (Chrome, Firefox, Safari).

Format details

PNG is a lossless raster format that supports full transparency (alpha channel). It keeps every pixel intact, making it the go-to choice for logos, icons, screenshots and any graphic with sharp edges or text.

Full namePortable Network Graphics
Developed byPNG Development Group
Released1996
Extension.png
MIME typeimage/png
TransparencyYes

PNG opens in every web browser and image viewer, plus editors like Photoshop, GIMP, Preview (Mac) and Photos (Windows).

AVIF is a next-generation image format based on the AV1 video codec. It delivers significantly smaller files than JPEG or WEBP at the same quality, with support for transparency and HDR.

Full nameAV1 Image File Format
Developed byAlliance for Open Media
Released2019
Extension.avif
MIME typeimage/avif
TransparencyYes

AVIF opens in modern browsers (Chrome, Firefox, Safari) and recent image editors; older apps may need it converted to PNG or JPG.

Frequently asked questions

AVIF files are much smaller than PNG at similar quality, speeding up websites.

Yes — AVIF supports an alpha channel just like PNG.

Modern browsers support it; for older apps keep a PNG or JPG fallback.

Yes — free and unlimited, and your files are processed securely and never stored.

Loved by creators worldwide

★★★★★4.9 / 5based on 4,507+ ratings
★★★★★

Fast, clean and totally free — png to avif done in seconds, no waiting around.

EElena M.
Photographer
★★★★★

Love that my files are never stored. No sign-up, no watermark, just the result.

MMarcus T.
Creator
★★★★★

Bookmarked. The best free png to avif I’ve found — simple and reliable.

PPriya S.
Designer