Drop your JPEG file(s) here
You can add more than one file
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Your file is already a JPEG. Converting JPEG to JPG hands you the same picture under the shorter extension, which is the version a great many upload forms, content systems and older programs were written to expect. Nothing about the image itself is being changed on purpose.
Plenty of validators check the last few characters of the filename and stop there. They never look inside the file. So a photo that is unquestionably a JPEG gets turned away for being spelled the long way, and no amount of trying again helps.
It usually works. When it does not, it fails quietly. File managers that hide known extensions leave you with photo.jpg.jpeg while showing you photo.jpg, and you only find out when the upload fails again. Capital letters are the other trap. A file saved as .JPG will be rejected by systems on case sensitive servers that were only told to expect lowercase, and converting normalises that too.
Exports from phones and messaging apps arrive as .jpeg more often than not, so this is rarely a one file problem. Add the whole set, convert once, take the ZIP. Any file that cannot be read is flagged on its own row rather than quietly skipped.
Lowercase extension every time
Output is always .jpg in lowercase, which case sensitive servers care about.
Same picture, same dimensions
Nothing is scaled, cropped or rotated on the way through.
Failed files stay on screen
Anything unreadable is marked where you can see it rather than dropped from the batch.
JPEG to JFIF Converter
Save JPEG images with the .jfif extension for systems that were written to accept only that name.
JPEG to WEBP Converter
Turn JPEG photos into smaller WebP files that every modern browser displays.
JPEG to GIF Converter
Turn JPEG photos into single frame GIF images for systems that will only take a GIF.
JPEG to AVIF Converter
Re-compress JPEG photographs as AVIF files that are dramatically lighter at similar visible quality.
The file is written out again, which costs a trace on a single pass and nothing you can see. Repeating it many times on the same image would eventually show.
Several operating systems and messaging apps default to the four letter spelling. It is a naming choice on their side, not a different format.
Yes. The output extension is always written lowercase, which fixes uploads that were failing on the capitals alone.
Every row keeps its original filename beside the new size, so you can match the finished files back to what you brought without opening them.