Free tool
JFIF to JPG converter
Windows sometimes saves images from the web as .jfif, and many sites and apps refuse them. Turn them into ordinary .jpg files in your browser.
- Free, no sign-up
- Runs in your browser, nothing uploaded
- Many images at once
JFIF to JPG
On this device
Guide
Good to know
What is a JFIF file
JFIF is the format inside most JPEG images, so a .jfif file is really a JPEG with an unusual extension. Upload forms and some apps go by the extension and reject it. The converter saves each image as a standard .jpg file.
Keep the quality high
The image is decoded and saved again as JPG, which compresses it once more. At the default quality of 90 the difference is hard to see; move the slider to 95 or above to keep as much detail as possible.
Can't I just rename .jfif to .jpg?
Usually yes, because the data is already JPEG. The converter helps when renaming is awkward, on a phone or for many files at once, and saving again also drops EXIF metadata such as GPS location.
Are my images uploaded?
No. The conversion runs inside your browser, so your images stay on your device. Files are only uploaded if you choose to optimize them with Arche, and those are deleted within 48 hours.
What is Arche?
Arche makes JPEG, PNG and WebP images smaller without changing their format or pixel size, and strips metadata such as EXIF location. It is free without an account; Pro raises the batch limits.
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Need smaller files, not just a new format?
Arche recompresses JPEG, PNG and WebP in the same format and size. Free without an account; files are deleted within 48 hours.