Convert PNG to AVIF — free, in your browser
Drop your file below. The conversion runs entirely inside your browser — the file never leaves your device, there is no account, no watermark and no size-signup trap.
Supports image/*,.webp,.gif,.bmp,.avif,.svg,.tif,.tiff
This page converts PNG files to AVIF right in your browser — the file is never uploaded. PNG is lossless (transparency support); AVIF is lossy or lossless (transparency support). Everything below runs on the same encoder your browser ships with, so the result you download is exactly what this page measured.
Converting never adds quality: if the source is a lossy format, that loss is already baked into the pixels and no converter can recover it. What a conversion can do is stop further loss (choosing a lossless target) or shrink the file further (choosing a more efficient codec). The measured table below shows real sizes and timings for a representative sample so you can decide before spending time.
Measured numbers
We publish first-party measurements only where our automated benchmark environment can guarantee the encoder is real (headless Chromium silently falls AVIF encoding back to PNG, so we refuse to print invented numbers here). The tool above performs the conversion with your own browser's encoder — its result card shows the true size for your file, which beats any sample statistic anyway.
When PNG → AVIF is the right call
- •Heavy transparent graphics (UI kits, charts, illustrations) destined for modern web pages — AVIF keeps alpha and typically halves the PNG size.
- •You already ship JPG/AVIF dual fallbacks for images and want the smallest possible primary.
FAQ
Does AVIF keep PNG transparency?
Yes — AVIF's alpha support is full and the encoder preserves it. This is a core reason to prefer it over JPG for graphics.
AVIF vs WebP for screenshots?
Both preserve sharpness well at quality 80; AV1 typically lands 15–25% smaller. Given encoding takes a few seconds, AVIF suits final assets, WebP suits quick iterations.
Can I open the result in Photoshop?
Recent versions with the AVIF plug-in (or system codecs on Windows 11/macOS) can. For maximum compatibility in design workflows, WebP or PNG remain safer.