Drop images here
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AVIF and every other format · no size limit · never uploaded
Check it yourself
Your images never leave this tab.
Open your browser's developer tools, switch to the Network tab, and convert a file. You will see the encoder and its WebAssembly module load from this domain the first time, and then nothing — no upload, no image data, no request carrying your file anywhere. Turn off your Wi-Fi after the page loads and it still works.
When AVIF needs to become PNG
AVIF is excellent and almost nothing outside a browser can read it. That gap is the entire reason this page exists.
The format is a still image encoded with the AV1 video codec, and it is roughly twice as efficient as JPEG at matching quality. Websites moved to it fast. Desktop software did not — older Windows and macOS releases have no decoder, many editors ignore the extension, and upload validators frequently reject it.
PNG is the destination when the image has transparency or hard edges, or when you want to change format without compounding any further loss. If the image is a photograph and you mainly care about size, JPG is the better target.
How to convert AVIF to PNG
- Drop your
.aviffiles onto the box above, click it to browse, paste from the clipboard, or drop a folder. - PNG is already selected as the output format on this page.
- Press Convert, then download the files individually or as a single ZIP.
There is no quality control on this page, and that is not an oversight — PNG has no lossy mode. Every PNG written here is an exact record of the decoded image.
Transparency transfers exactly
Both formats carry a full 8-bit alpha channel, so transparent and partially transparent pixels come across unchanged. Soft shadows, feathered edges and antialiased type all survive. This is the reason to choose PNG rather than JPG when the AVIF came off a website, since web graphics use transparency constantly.
Expect a much larger file
The PNG will usually be several times the size of the AVIF, and occasionally ten times. This surprises people, so it is worth being precise about why: AVIF got small by discarding detail, and PNG is obliged to store every pixel that remains — including the artifacts the discarding introduced. Artifacts are noise, and noise is the worst case for lossless compression.
That is not the conversion going wrong. It is what lossless means.
Nothing leaves your browser
The AVIF decoder and PNG encoder are WebAssembly modules that run in this tab. No upload endpoint exists on this site, so the images stay on your machine. Once the page has loaded, the conversion works with the network switched off.
Frequently asked questions
- How do I convert AVIF to PNG for free?
- Drop your .avif files onto the box at the top of this page — PNG is already selected — press Convert, and download the results. Free with no account, no watermark and no daily limit, because the conversion runs on your machine rather than a server.
- Why can't my software open AVIF?
- AVIF is built on the AV1 video codec and only reached broad browser support around 2023. Desktop applications move far more slowly, so older operating systems, many image editors and a lot of CMS uploaders have no decoder for it. Your browser is often the only thing on the machine that can read the file, which is why converting in one works.
- Is transparency preserved?
- Yes, fully. AVIF supports an 8-bit alpha channel and so does PNG, so transparent and semi-transparent pixels transfer exactly, soft edges included. This is the main reason to pick PNG over JPG here.
- Why is the PNG so much bigger?
- Because PNG is lossless and AVIF is not. AVIF threw away detail to get small; PNG must record every remaining pixel exactly, including the compression artifacts AVIF introduced. Artifacts are noisy and noise compresses badly. A 300 KB AVIF becoming a 3 MB PNG is completely normal.
- Does converting to PNG restore quality?
- No. If the AVIF was lossy — and almost all are — the discarded detail is gone permanently. PNG gives you a lossless container holding an already-degraded image. It preserves what is there; it cannot recover what was thrown away.
- Should I use PNG or JPG?
- PNG when the image has transparency, or contains text, screenshots, logos or flat colour, where lossless keeps the edges clean. JPG when it is a photograph and file size matters more than perfect edges — the JPG will be a fraction of the size.
- Can I convert a folder of AVIF files at once?
- Yes, with no limit. The queue converts across several CPU cores in parallel and the results download as a single ZIP.
Other conversions
Each converter opens with the right output format already selected, so the file you drop comes back in the format you came for.
Convert WebP to another format
Convert images to WebP
- Convert PNG to WebP Keep the transparency, drop most of the file size. Lossless mode is one click away if you need pixel-exact output.
- Convert JPG to WebP Typically 25-50% smaller than the same photo as a JPEG, at a quality most people cannot tell apart.
- Convert JPEG to WebP The same conversion as JPG — the two extensions are one format. Smaller files, same picture.
- Convert HEIC to WebP iPhone photos, converted in the browser. No app, no upload, and it works on iOS Safari where most converters do not.
- Convert AVIF to WebP Usually a compatibility move rather than a size one. WebP opens in more places than AVIF still does.
- Convert GIF to WebP Static GIFs convert cleanly and shrink hard. Animated GIFs convert to their first frame — and we will tell you when that happens.
- Convert TIFF to WebP Scans and print files, converted to something a browser can actually display.
- Convert BMP to WebP BMP stores pixels essentially uncompressed. Expect the file to get very substantially smaller.
- Convert SVG to WebP Turning vector into pixels. You choose the size, because a vector does not really have one.
Convert to PNG or JPG
- Convert HEIC to JPG Turn the photos your iPhone actually shot into the format everything else can open. The pictures never leave your device.
- Convert HEIC to PNG Convert iPhone photos into PNG when the software you are feeding demands it. Lossless, private, and free.
- Convert SVG to PNG Rasterize vector artwork into PNG at the exact size you need, with the transparent background intact.
- Convert SVG to JPG Rasterize vector artwork into JPG for the places that will not take anything else. Free, unlimited, nothing uploaded.
- Convert TIFF to JPG Turn enormous archival scans into files you can actually email. Free, unlimited, and nothing leaves your machine.
- Convert TIFF to PNG Convert archival scans into PNG without losing a pixel — the right choice when the page is text, plans or line art.
- Convert AVIF to JPG You downloaded an AVIF and nothing on your computer will open it. This turns it into a JPG that everything opens.
- Convert GIF to PNG Convert GIF into PNG without losing a pixel — and escape the 256-colour palette for good.
- Convert GIF to JPG Convert GIF into JPG for the systems that insist on it. Free, unlimited, and nothing leaves your machine.
- Convert BMP to PNG Shrink uncompressed Windows bitmaps dramatically without losing a single pixel. Free, unlimited, nothing uploaded.
- Convert BMP to JPG Turn enormous uncompressed bitmaps into files you can actually send. Free, unlimited, and nothing leaves your machine.
Convert your images without handing them over.
No account, no upload, no limit on how many files you throw at it.
Start converting