How to convert JFIF to PNG
- Click Choose files or drop your JFIF images into the box above — up to 10 at a time on the free plan.
- Optionally resize if you like, or keep the original size.
- Conversion starts right away. Download each PNG file, or click Download all to get them as one ZIP.
JFIF vs PNG
| JFIF | PNG | |
|---|---|---|
| Compression | Lossy | Lossless |
| Transparency | No | Yes |
| Animation | No | No |
| Colors | 8 bits per channel (16.7 million colors) | Up to 16 bits per channel, full alpha |
| File size (photos) | Small (the same as JPG) | Large for photos, small for graphics |
| Opens on | Every browser and Windows Photos; some upload forms and older apps reject the .jfif extension | Every browser, phone and computer |
| Best for | Pictures saved by Chrome or Edge on Windows, with the same JPEG inside as a .jpg file | Screenshots, logos, graphics with text and anything that needs a transparent background |
About JFIF and PNG
What is JFIF?
JFIF (JPEG File Interchange Format) is one of the standard ways of storing a JPEG image — many ordinary .jpg files are JFIF inside. A file only ends in .jfif because Windows sometimes registers that extension for JPEG images, so Chrome and Edge save downloaded pictures as .jfif. The image is an ordinary JPEG, but many upload forms and older programs reject the unfamiliar extension.
- Exactly the same image data as a JPG
- Opens in every browser and in Windows Photos
- Upload forms and older apps often refuse .jfif
- Confusing name for a common format
What is PNG?
PNG keeps every pixel exactly as it is (lossless compression) and supports smooth, partial transparency. That makes it ideal for screenshots, logos, UI graphics and images with text, but photos saved as PNG are usually 5–10 times bigger than the same photo as JPG.
- Lossless: no quality loss, ever
- Full transparency (alpha channel)
- Crisp text and sharp edges
- Photos are very large
- No animation (except the rarely used APNG variant)
Why GlideConvert?
- Private by design. Your files are converted on your own device by your browser — they are never uploaded to a server. That keeps them private, avoids upload waits and means there is no queue.
- Fast. Images convert in a fraction of a second; video uses your device’s hardware encoder.
- Free. No sign-up, no watermark. 10 images, 5 audio files or one video at a time — Pro lifts the limits and removes ads.
Frequently asked questions
Will converting JFIF to PNG reduce quality?
No. PNG is lossless, so the result looks exactly like your JFIF. Converting cannot bring back detail the JFIF compression already removed, though, and the PNG file will usually be bigger.
Will the PNG file be smaller than the JFIF?
Usually not. PNG files keep every pixel, so they are typically larger than JFIF. If you need a small file, try WebP or compress the image.
What is a JFIF file?
JFIF (JPEG File Interchange Format) is an ordinary JPEG photo with an unusual extension — the image inside is the same as in a .jpg file. Browsers and Windows Photos open it, but many upload forms and older programs do not accept the extension.
Why do pictures I save end up as .jfif?
A Windows registry setting can make .jfif the preferred extension for JPEG images, and Chrome and Edge follow it. Our guide explains how to make Windows save .jpg again; to get a .jpg without any quality loss, use JFIF to JPG.
Can I convert several JFIF images at once?
Yes. The free plan handles 10 images at a time, and you can download everything as a single ZIP. Pro removes the batch limit, converts files in parallel and supports files up to 4 GB.
Are my files uploaded to a server?
No. GlideConvert runs entirely in your browser: images are processed with the browser’s built-in codecs and WebAssembly, video and audio with hardware-accelerated WebCodecs (or a WebAssembly build of FFmpeg for older formats). Nothing is sent anywhere — you can even disconnect from the internet once the page has loaded.
Does it work on iPhone, Android, Mac and Windows?
Yes. It works in any up-to-date browser — Chrome, Edge, Safari, Firefox or Samsung Internet — on phones, tablets and computers, with nothing to install. On phones, extremely large images may be scaled down to fit within the browser’s memory limit; you will see a note if that happens.