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Images saved from websites in Chrome or Edge on Windows often end up as .jfif files, and many upload forms reject them. JFIF (JPEG File Interchange Format) is simply a JPEG, so converting it to PDF should cost nothing in quality. This converter recognises the .jfif extension, embeds the JPEG data as it is, and lets you combine any number of images into one PDF.
To convert JFIF to PDF, add the .jfif files to an image-to-PDF converter and download the PDF. A JFIF file is an ordinary JPEG with a different extension, so on ihatepdf it is embedded in the PDF without re-compression and keeps its full quality. Add several to make one multi-page PDF, choose the page size, and download. Nothing is uploaded.
Windows registers .jfif as the default extension for the JPEG content type, so Chrome and Edge sometimes save web images with it. Many portals check the extension rather than the content and reject the file. Turning it into a PDF, or combining several into one, gets past that.
JFIF stands for JPEG File Interchange Format. It is a normal JPEG image; only the extension differs. Windows often saves images from the web as .jfif.
Drop the .jfif files on this page, put them in order, and press Convert to PDF. Free, no sign-up, nothing uploaded.
No. Because JFIF is JPEG, the image data is placed in the PDF exactly as it is, with no second compression.
Usually, yes; the data is the same. But if a form wants a PDF, converting here saves the extra step and lets you put several images in one file.
No. Conversion runs in your browser.
More pdf tools — all free, no upload.