About this tool
Build one output document from pages across multiple PDFs while keeping source page identity, rotation, output order, and preservation limits visible.
PDF Page Organizer is a visual page editor for PDFs that runs entirely in your browser using pdf-lib and PDF.js. You load up to 20 PDF files, each up to 50 MB and 200 pages combined, and every page appears as a thumbnail card labelled with its source file and original page number. From there you rearrange, rotate in 90-degree steps, duplicate, or delete pages, then export a single new PDF. Before the download starts, the tool reopens the bytes it just produced and confirms the page count matches the workspace, so a silent truncation cannot slip through. It solves the everyday need to assemble a packet from several documents, drop a blank scanned page, or fix a sideways page without desktop software.
- Adds pages from up to 20 local PDFs and supports accessible move, rotate, duplicate, delete, and undo controls.
- Copies pages with pdf-lib, applies rotation, saves with object streams, and reopens the result to verify its page count.
- Explicitly warns that page rebuilding may not preserve document-level bookmarks, forms, attachments, links, or metadata.
How to use PDF Organizer
Click Add PDF files or drop them onto the panel; encrypted or damaged files are named in an error rather than partially loaded. Each page becomes a card under Output pages, and the first card becomes page 1 of the export. Use the arrow buttons on a card to move it left or right, the rotate button to turn it 90 degrees clockwise per click, the duplicate button to insert a copy right after it, and the trash button to remove it. Undo last page edit steps back through those changes one at a time. Type an output file name in the Export PDF sidebar, then press Export PDF. The status line reports how many pages were counted in the rebuilt file and the name that was downloaded.
When this tool is useful
- An office administrator merges a cover letter, a signed form, and two supporting scans into one submission packet.
- A student rotates the three landscape pages a phone scanner saved sideways in an otherwise portrait lecture handout.
- A paralegal removes the blank separator pages a duplex scanner inserted before sending an exhibit bundle to a client.
- A recruiter pulls the first two pages from each of several resumes into one comparison document for a hiring panel.
- A teacher duplicates a single worksheet page so a printed packet has one copy per student without reprinting the file.
Practical tips
- Keep the originals. Page copying carries content, dimensions, and rotation, but bookmarks, form fields, attachments, links, and metadata are not guaranteed to survive.
- The 200-page ceiling applies to all loaded files together, so trim large sources in a separate pass before combining them here.
- Rotation is cumulative per click: press rotate three times to turn a page 270 degrees, or once more to return it to 0.
- Password-protected PDFs are refused outright; remove the password in the application that owns the file, then bring the unlocked copy back.
- Duplicate a page before rotating it if you need both orientations, since the copy inherits whatever rotation the card has at that moment.
Examples you can test
Load an example, compare the result with the expected output, then replace it with your own input.
Assemble a three-page packet
Example input
letter.pdf (2 pages) and appendix.pdf (5 pages); delete appendix pages 1-3 and 5
Expected output
packet.pdf containing letter page 1, letter page 2, and appendix page 4 in that order, reported as 3 pages
Each card still shows its source page number after deletions, so you can confirm you kept appendix page 4 and not page 5.
Fix a sideways scan
Example input
scan.pdf, 12 pages, where pages 4 and 9 were captured in landscape and display rotated
Expected output
scan-fixed.pdf with all 12 pages upright; cards 4 and 9 show Rotated 90° before export
Rotation is written as a page attribute rather than re-rendering the page image, so any text layer in the scan stays intact.
Validation checklist
- Reopen the exported file and count pages against the Output pages list.
- Check that rotated pages display upright in your PDF viewer, not just in the thumbnails.
- Spot-check the source page numbers on cards before deleting anything.
- Verify form fields, links, and bookmarks separately if the packet depends on them.
- Confirm the output file name is what you typed in the Export PDF sidebar.