Scanners have a habit of producing PDFs with the pages out of order. An automatic document feeder can pull sheets unevenly, a duplex scan can interleave the fronts and backs in the wrong sequence, and feeding a stack a second time to catch a missed page often drops it at the end instead of where it belongs. The result is a PDF where the content is all there but the pages do not read in order. FixTools fixes that without rescanning. Upload the scanned PDF, and every page appears in a list showing its current position. Click Up or Down to walk each page into its correct place, then click reorder to build a corrected PDF and download it. The reordering runs in your browser, so the scan, which may be a contract, a set of records, or personal paperwork, is never uploaded. The pages are copied without re-rendering, so the scanned images keep exactly the resolution and clarity they had before.
Fix feeder and duplex scanning order without rescanning
Move each scanned page into its correct place
Scanned document never leaves your browser
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Automatic document feeders and duplex scanning are the usual culprits. A feeder can grab two sheets at once or pull them at a slight skew, changing the order it captures them in. Duplex scanners that image both sides in one pass sometimes write the back of a page before the next front, so the sequence interleaves incorrectly. And when you notice a missing page and feed it again, most scanners append it to the end rather than slotting it where it belongs.
Rescanning the whole stack to fix this is slow and risks the same problem again. Reordering the existing PDF is faster and cannot damage the scan, because the pages are simply copied into a new document in the order you set. Nothing is re-imaged or re-compressed, so the corrected file is pixel-for-pixel the same scan, just in the right sequence. For a mixed-up duplex scan, move each back page next to its matching front until the document reads correctly.
Upload the scanned PDF and use the Up and Down buttons to move each page into its correct position. Click Reorder and Download to save the corrected file.
Step-by-step guide to reorder scanned pdf pages:
Open the tool
Launch FixTools Reorder PDF Pages in your browser. There is nothing to install.
Upload the scanned PDF
Select the scanned file from your device. The tool reads the page count and lists every scanned page.
Move pages into order
Click Up or Down next to each page to shift it into its correct position in the document.
Check against the originals
Read the list top to bottom to confirm the sequence matches the paper originals. Use Reset order to start again if needed.
Download the corrected scan
Click Reorder and Download PDF. The corrected file saves to your device with the scan quality intact.
Common situations where this approach makes a real difference:
Duplex scan interleaved
An office worker scans a double-sided contract and finds the back pages landed in the wrong spots, then reorders them to match.
Missed page appended
Someone rescans a page they missed, the scanner adds it to the end, and they move it back to its correct position.
Feeder pulled out of sequence
A stack of records feeds unevenly and imports jumbled, so the pages are walked back into order.
Reverse-fed stack
Paperwork scanned from the bottom of the pile comes out backwards and needs resequencing.
Get better results with these expert suggestions:
Keep the paper originals handy
Check the list against the physical stack so you can confirm each scanned page is in the right place.
Delete blank backs first
If a duplex scan added blank reverse pages, remove those with the delete tool before reordering the rest.
Fix rotation separately
If some scanned pages are sideways, set the order here first, then run the file through the rotator.
Rescan only the bad page if needed
If one page scanned poorly, rescan just that sheet, then use reordering to slot it into place.
More use-case guides for the same tool:
Other tools you might find useful:
PDF Rotator
Turn sideways or upside-down scanned pages upright.
Delete PDF Pages
Remove blank pages the scanner added.
PDF Compressor
Shrink a heavy scanned PDF for email.
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Open Reorder PDF Pages to review its free limits and processing method.
Open Reorder PDF Pages →Free tier · No account needed · Transparent limits