convert scanned tiff document to pdf

Scanners have historically favored TIFF because it supports lossless, high-fidelity image storage well suited to document archival — but that same format choice means scanned TIFF pages are exactly the kind of file most likely to hit browser decoding limitations when you try to convert them online, since mainstream browsers generally don't decode TIFF natively.

If your scanner or scanning app offers a choice of output format, switching to PDF or JPG directly at the scanning stage sidesteps this problem entirely — many scanner software packages support saving directly to PDF, which skips this conversion step altogether. If you're stuck with an existing batch of scanned TIFF files, though, converting them to JPG or PNG first (using your OS's photo viewer or a dedicated batch-conversion tool) is the reliable path.

For a genuinely large batch of scanned pages, doing a bulk export step first with your operating system's own tools, or a script if you're comfortable with one, will save more time than the trial-and-error of testing whether each individual TIFF happens to load directly in a browser tool.

Once converted to JPG or PNG, the rest of the workflow here works the same as any image-to-PDF conversion: upload the converted files, arrange them with the ◀ ▶ reorder buttons to match your document's intended page order, and download a single combined PDF.