Loading PDFConverter.io
Preparing your browser based PDF tools.
Preparing your browser based PDF tools.
Convert one or more GIF images into PNG files. Everything runs securely inside your browser, with no uploads to a server.
Drag & drop your file here
or browse from your device
This tool converts JPG images into AVIF files without uploading anything. AVIF produces much smaller files than JPG at the same visual quality, often less than half the size. That makes pages load faster, which matters for both visitors and search rankings.
Worth knowing: AVIF needs a real encoder, which your browser does not have built in. The first conversion downloads a one time 3.4 MB engine, and large photos take a few seconds each. Support is good in current browsers but older software may not open AVIF files.
JPG is the most widely supported photo format. It uses lossy compression, which keeps file sizes small but does not support transparency.
AVIF is a modern format that produces very small files at high quality. Support is good in current browsers but limited in older software.
Drag your files onto the upload area or browse from your device. You can add several images at once.
Pick the output quality. Higher quality keeps more detail, lower quality makes the file smaller.
Start the conversion. Everything happens on your own device, so the speed depends on your computer rather than your internet connection.
Save each image on its own, or download everything together as a ZIP file.
Most online converters send your file to a server, convert it there, and send it back. This one does not. The conversion runs inside your browser, so your JPG images never leave your computer or phone. There is nothing to delete afterwards, because nothing was stored in the first place.
This also means the tool keeps working on a slow connection, and it can handle private documents, scanned paperwork, and personal photos without you having to trust a third party with them.
Add one or more JPG images, choose your output settings, and start the conversion. Your AVIF files are created inside your browser and are ready to download straight away.
AVIF produces much smaller files than JPG at the same visual quality, often less than half the size. That makes pages load faster, which matters for both visitors and search rankings.
Yes. You can add multiple files and convert them together. When more than one image is converted you can download them all as a single ZIP file.
No. The conversion runs entirely inside your browser using your own device. Your images are never sent anywhere, and nothing is stored.
Yes. It is completely free with no sign-up, no watermark, and no daily limit.
AVIF needs a real encoder, which your browser does not have built in. The first conversion downloads a one time 3.4 MB engine, and large photos take a few seconds each. Support is good in current browsers but older software may not open AVIF files.
AVIF uses lossy compression, so some detail is discarded to keep the file small. You can pick a higher quality setting before converting if you want to keep more detail.
Yes. It works in any modern browser on phones, tablets, laptops, and desktop computers.
Continue working with your images and PDF files using these free browser based tools.
Convert JPG images to PNG directly in your browser. Nothing is uploaded to a server.
Convert JPG images to WebP directly in your browser. Nothing is uploaded to a server.
Convert JPG images to TIFF directly in your browser. Nothing is uploaded to a server.