JFIF to PDF Converter
Turn the .jfif pictures your browser saved into a PDF document that upload forms, printers and colleagues accept without asking what the extension means.
Image to PDF
or drag JPG, JPEG, JFIF … files here ·
Up to 95 MB each· 50 files at once· Removed after 30 min
Your files are removed from our servers 30 minutes after processing.
White space around each image: small is 5 mm, medium 10 mm, large 20 mm. Ignored when page size is the same as the image.
Fit shows the whole image with white space if the shapes differ; fill covers the page and crops the edges; actual size places it at its print size from DPI.
Put 2 or 4 images on each page in a grid, for ID cards front and back or contact sheets.
Custom page width in millimetres (A4 is 210 mm).
Custom page height in millimetres (A4 is 297 mm).
One PDF with a page per image, or a separate PDF for every image downloaded as a ZIP.
The order you added the files (drag to rearrange), alphabetical by file name, or by the date the photo was taken.
JPEG quality of photos inside the PDF. 85 keeps them sharp; with a target size this is the starting point.
Files are deleted 30 minutes after processingPrivacy policy
- JFIF
- Also called JPEG File Interchange Format · .jfif · .jfi
- The file layout that most JPEG images use to store their compressed picture, resolution and color details. A .jfif file is a JPEG with a less familiar extension; it opens in anything that opens .jpg, but some upload forms only recognize the usual name.
Where .jfif files come from
Most people meet JFIF by accident. You right-click a picture on a website, choose Save image as, and the file in your Downloads folder ends in .jfif instead of .jpg. This happens mainly on Windows, where the JPEG file type can be associated with the .jfif extension, and browsers follow that association when they name the download.
Nothing is wrong with the picture. The JPEG File Interchange Format was written in 1992 by Eric Hamilton at C-Cube Microsystems as a common way to package JPEG data, and in 2011 it became an ITU-T Recommendation, T.871. Almost every .jpg file you have ever opened uses it inside. The only problem is the label: a job portal or a school form that lists "JPG, PNG, PDF" may refuse a .jfif even though it would read the content perfectly.
The timeline below shows how old the format really is. JPEG compression was standardized in 1992 as ITU-T T.81 and soon after as ISO/IEC 10918-1, and JFIF was the wrapper that let different programs exchange those files. It was in use for nearly twenty years before it was published as a formal Recommendation, which is why it feels both familiar and oddly named.
JFIF
JFIF image
A JPEG file that carries the .jfif extension, usually because a browser saved it that way. The image data is ordinary lossy JPEG with no transparency or animation, so only the name differs. Some upload forms and older viewers reject the extension even though they accept the same picture as .jpg.
- Lossy
- No transparency
- Still images only
PDF document
Adobe's Portable Document Format from 1993, now an open ISO standard. It fixes text, images and layout so a page looks the same on every screen and printer, and it can carry forms, links and transparency. Every operating system and browser can open it, though editing the content is harder than in a word processor.
- Transparency
- Still images only
- Open standard
Why convertHere the conversion is about recognition more than quality: the JPEG picture inside a .jfif is placed on a PDF page untouched in appearance, and the result has an extension every form, printer and office system knows. If you only need a normal picture file, JFIF to JPG gives you one.
JPEG and JFIF standards
Convert JFIF images to a PDF
Add the .jfif files
Drop them on the box above, or press Choose Files and open your Downloads folder. You can add .jpg files to the same batch.
Set the pages
Each image gets a page the size of the picture. Pick A4 or Letter under Page size if you plan to print.
Create the PDF
Press Convert to PDF and download it. All images end up in one PDF unless you choose one file per image.
JFIF to PDF questions
Why did my browser save a picture as .jfif?
The picture is a JPEG. On some Windows computers, the system links the JPEG file type to the .jfif extension, so browsers name downloaded JPEGs that way. The data inside is the same as in any .jpg file.
Is a JFIF image lower quality than a JPG?
No. JFIF is the standard layout used by most JPEG files, so a .jfif and a .jpg of the same picture contain the same compressed image. Only the name differs.
Can I rename .jfif to .jpg instead of converting?
For a single picture, renaming usually works, since the content already is a JPEG. A PDF is still the better choice when a form asks for a document or when several pictures should travel as one file.
Can I convert a mix of .jfif and .jpg files into one PDF?
Yes. Both are JPEG images, so they go into the same batch and become pages of one PDF in the order of the file list.
How do I stop Windows from saving images as JFIF?
The extension comes from a file-type setting in Windows, and changing it means editing the registry, which we do not recommend without care. Converting or renaming the files after download is the safer fix.
Do the PDF pages keep the full resolution of the JFIF pictures?
Yes. With Page size on Same as image and PDF file size on Best quality, each picture fills its page at its original pixel size. Images saved from websites are often small, so the PDF shows them at that size.
Making a tidy PDF from web images
Pictures saved from websites vary a lot in size. A product photo may be large, a logo tiny, an infographic very tall. With Same as image, each page follows its picture, so nothing is scaled up and blurred. If the PDF is meant for printing, A4 or Letter gives every page the same sheet, and Fit keeps each picture whole on it.
Images from different sites also arrive in a random order in your Downloads folder. Drag them in the file list before converting, or rename them with numbers and choose File name under Page order. For a reference collection, such as screenshots of an online order or pages of a recipe, two or four images per page keep the PDF short.
Small web images deserve a word of caution. A picture of 600 pixels across looks fine on screen but prints at only a few centimeters at good quality, so a PDF full of thumbnails is best kept for viewing. If you need print quality, look for the original or full-size version of the image before converting.
- Mix .jfif, .jpg and .jpeg files in one batch
- Up to 50 images, each up to 95 MB
- Page sizes: same as image, A4, Letter, Legal, A3, A5 or custom
- One, two or four images per page
- Optional size target for upload limits
- Location and camera data removed by default
Before you send it
Check that you are allowed to share the images. Pictures saved from websites usually belong to someone, and putting them into a PDF does not change that. For your own material, such as screenshots of a booking, photos you posted yourself or documents you downloaded from your bank, a PDF is a sensible way to keep them together.
When an upload form sets a file limit, switch PDF file size to Target size and enter it. The images inside are recompressed until the whole document fits. Uploaded files are deleted as soon as the PDF exists, and the PDF after 30 minutes.
If the person receiving the PDF needs the pictures themselves later, send the original files alongside it. Pulling images back out of a PDF works, but a direct copy of the JPEG is always the cleanest version.
For other image types, including PNG screenshots and iPhone photos, use the main Image to PDF tool. To change the format of the pictures themselves, the Image Converter page turns them into JPG, PNG or WebP.
More ways to make a PDF from images
JFIF → JPG
JFIF to JPG
Turn browser-saved .jfif pictures into .jpg files that forms and apps accept.
JPG → PDF
JPG to PDF
Put JPG photos and scans on standard A4 pages in a single PDF.
JFIF → PNG
JFIF to PNG
Lossless PNG copies of .jfif web downloads for slides, designs and edits.
PNG → PDF
PNG to PDF
Combine PNG screenshots and diagrams into one PDF without blurring the text.
HEIC → PDF
HEIC to PDF
Turn iPhone HEIC photos into a PDF that opens on any computer or phone.
Photo to PDF
Photo to PDF
Put phone photos of papers, receipts or notes onto A4 pages in one PDF.
SVG → PDF
SVG to PDF
Turn SVG logos and charts into PDFs that print and share cleanly.
TIFF → PDF
TIFF to PDF
Turn heavy TIFF scans into a PDF that opens in every browser and viewer.
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