JFIF to PNG converter
Convert .jfif images to PNG with the same pixels, width and height. Drop in one file or fifty and download them as a ZIP. Free, and the conversion runs in your browser, so nothing is uploaded.
Free · Runs in your browser · Updated 17 October 2026
JFIF to PNG converter
Settings
No settings needed. PNG is lossless, so the picture is kept exactly as the browser decodes it, at the same width and height, transparency included.
How to
Convert JFIF to PNG.
- 1Choose your .jfif files, or drop them on the box. Up to 50 at once.
- 2Each one is decoded and saved as a lossless PNG. The new size is shown next to it.
- 3Download each PNG, or Download all to get one ZIP file.
Good to know
PNG or JPG: which one do you need?
- A JFIF file is a JPEG with an unusual name. If a site only rejects the
.jfifending, the JFIF to JPG converter renames it without any change or quality loss, and the file stays small. - Choose PNG when an app or site asks for PNG, or when you will edit the picture many times: PNG saves never lose detail.
- Expect the PNG to be several times bigger than the JFIF. In our tests photos were 5 to 6 times larger as PNG than as a quality-90 JPEG.
- Converting does not add transparency or improve quality; the PNG holds exactly the pixels of the JPEG.
FAQ
Questions people ask first.
- How do I convert JFIF to PNG?
- Drop the .jfif files into the tool above and press Download. Each one is saved as a PNG with the same pixels; several files can be downloaded as one ZIP.
- Does converting JFIF to PNG lose quality?
- No. PNG is lossless, so the PNG keeps exactly the pixels decoded from the JFIF. It cannot undo compression the JFIF already has.
- Why is the PNG so much bigger?
- JFIF (JPEG) throws away detail you would not notice; PNG keeps every pixel. Photos are typically 5 to 6 times larger as PNG.
- How do I convert JFIF to PNG on Windows?
- Open the file in Paint and choose File → Save as → PNG picture. For many files at once, this tool is quicker.
- Are my images uploaded?
- No. Your browser opens and converts the images on your own device. Nothing is sent to Daniotech or anyone else.
Related
More free tools.
- JFIF to JPG converterChange .jfif files to .jpg with no quality loss: the picture inside is already a JPEG, so only the name changes.
- JPG to PNG converterConvert JPG and JPEG images to PNG with the same pixels and size, one at a time or as a batch.
- WebP to PNG converterConvert WebP images to PNG with transparency kept, for apps that do not open WebP.
- HEIC to PNG converterTurn iPhone HEIC photos into PNG files any computer opens, without uploading them.
From the team behind the tools
Need image handling inside your own app?
Daniotech builds web and mobile products, including upload flows that resize, convert and check images on the device before they reach your server.