Convert large TIFF scans and photos to compact JPG
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TIFF is the format of scanners, fax archives, professional photography and print production, chosen because it stores an image with no loss and every bit of detail intact. That fidelity comes with size: a single TIFF scan can be tens of megabytes, which is fine for an archive and impractical for emailing, posting online, or uploading to a form with a tight size limit. Converting to JPG keeps the picture looking essentially the same while collapsing the file to a fraction of what it was.
The converter reads each TIFF and writes a JPEG using the quality you set, with the default kept high at 92 because TIFF sources are usually scans or photographs where detail is the whole point. At that level the compression is invisible in normal use, yet the file shrinks enough to send and share comfortably. If you need it even smaller, the slider gives you room to trade a little fidelity for size.
A sensible way to work with scans is to treat the TIFF as the master and the JPG as the copy you actually hand out. Archivists and photographers keep the lossless original safe, then generate JPGs whenever something needs to be emailed, attached to a record, or posted, because re-deriving a fresh JPG from the master is always better than compressing one twice. One thing the conversion does not change is the pixel dimensions, so a scan captured at a high resolution still prints at the same size and sharpness as a JPG; you are only changing how the picture is stored, not how much of it there is.
Some TIFFs, particularly scanned documents, hold several pages in one file. A JPG is a single image, so the conversion produces the first page. When the original is really a multi-page document, keeping it as one file such as a PDF usually serves better than a stack of separate JPGs. Any transparency a TIFF carries is flattened to white, since JPG cannot store it; to keep it, use TIFF to PNG instead.
Once the JPGs are made, Compress Image will shrink them further without changing the format, which is handy when a form sets a strict size cap.
Add scans, photos or multi-page TIFFs, one at a time or as a batch.
92 keeps scans and photos looking faithful. Lower it if you need an even smaller file.
A single TIFF returns as one JPG; a batch comes back zipped with matching filenames.
Dramatically smaller. TIFF stores images losslessly, so a scan that runs to tens of megabytes often becomes a JPG of a few hundred kilobytes at high quality, with no visible difference in everyday viewing. That is the whole reason to convert.
A JPG can only hold one image, so the conversion outputs the first page of a multi-page TIFF. If you actually need all the pages, keeping the document together as a PDF is usually a better fit than producing many separate JPGs.
JPEG is lossy, so technically a little detail is discarded, but at the default quality of 92 it is not visible under normal viewing. Keep the original TIFF as your archive copy and use the JPG for sharing and uploading.
JPG does not support transparency, so any transparent areas come out white. When that matters, convert to PNG with our TIFF to PNG tool, which preserves the alpha channel.
Yes. Scans are handled only for the conversion: the TIFF you upload and the JPG it produces are erased by a scheduled cleanup minutes after processing, never retained or shared, and nobody opens them in between.