# Library Organization **URL:** https://pdfbookslib.com/discussions/c/library-organization/24.md [Latest](https://pdfbookslib.com/discussions/latest.md) · [Categories](https://pdfbookslib.com/discussions/categories.md) · [Tags](https://pdfbookslib.com/discussions/tags.md) --- ## [About the Library Organization category](https://pdfbookslib.com/discussions/t/about-the-library-organization-category/26)
**Author:** [@system](https://pdfbookslib.com/discussions/u/system)\ **Replies:** 0\ **Last updated:** [October 28, 2026, 2:22pm UTC](https://pdfbookslib.com/discussions/t/about-the-library-organization-category/26 "2026-10-28T14:22:38Z")
Combining, splitting, reordering and rotating pages. Shrinking heavy PDFs for email and portals. --- ## [Can you combine multiple pdfs into one pdf on a phone?](https://pdfbookslib.com/discussions/t/can-you-combine-multiple-pdfs-into-one-pdf-on-a-phone/98)
**Author:** [@Hannah\_88](https://pdfbookslib.com/discussions/u/Hannah_88)\ **Replies:** 9\ **Last updated:** [November 13, 2026, 6:06pm UTC](https://pdfbookslib.com/discussions/t/can-you-combine-multiple-pdfs-into-one-pdf-on-a-phone/98 "2026-11-13T18:06:50Z")
I have multiple PDF files on my phone that need to be merged into one document for a deadline, but I can’t figure out if it’s possible without a computer. --- ## [How can I combine two PDF documents into one quickly?](https://pdfbookslib.com/discussions/t/how-can-i-combine-two-pdf-documents-into-one-quickly/132)
**Author:** [@George23](https://pdfbookslib.com/discussions/u/George23)\ **Replies:** 2\ **Last updated:** [November 13, 2026, 4:36pm UTC](https://pdfbookslib.com/discussions/t/how-can-i-combine-two-pdf-documents-into-one-quickly/132 "2026-11-13T16:36:55Z")
I have two separate PDF reports that I need to merge together before a meeting in an hour. My work laptop won’t let me install new software, so is there a fast way to join them? --- ## [How can I compress my resume to a 450 kb pdf?](https://pdfbookslib.com/discussions/t/how-can-i-compress-my-resume-to-a-450-kb-pdf/101)
**Author:** [@AriaCarter](https://pdfbookslib.com/discussions/u/AriaCarter)\ **Replies:** 8\ **Last updated:** [November 13, 2026, 5:36am UTC](https://pdfbookslib.com/discussions/t/how-can-i-compress-my-resume-to-a-450-kb-pdf/101 "2026-11-13T05:36:50Z")
I need to merge three invoice PDFs from email on my phone, but I can’t install anything. Is there a way to combine them without an app? --- ## [Is there a free pdf size reducer under 400kb for my phone?](https://pdfbookslib.com/discussions/t/is-there-a-free-pdf-size-reducer-under-400kb-for-my-phone/106)
**Author:** [@MadisonHenderson](https://pdfbookslib.com/discussions/u/MadisonHenderson)\ **Replies:** 7\ **Last updated:** [November 13, 2026, 5:21am UTC](https://pdfbookslib.com/discussions/t/is-there-a-free-pdf-size-reducer-under-400kb-for-my-phone/106 "2026-11-13T05:21:45Z")
I’ve got a scanned PDF on my Android that’s way too big to upload to a portal, and I need to shrink it under 400kb. Is there a free size reducer that actually works on a phone, or am I stuck? --- ## [How do I convert pdf to jpg under 200kb?](https://pdfbookslib.com/discussions/t/how-do-i-convert-pdf-to-jpg-under-200kb/116)
**Author:** [@throwaway186494](https://pdfbookslib.com/discussions/u/throwaway186494)\ **Replies:** 5\ **Last updated:** [November 13, 2026, 4:06am UTC](https://pdfbookslib.com/discussions/t/how-do-i-convert-pdf-to-jpg-under-200kb/116 "2026-11-13T04:06:56Z")
I need to convert a few PDF pages into JPG images for an online form, but each file has to stay under 200 KB. How can I do that without making them unreadable? --- ## [How can I compress PDF to 1mb without losing quality?](https://pdfbookslib.com/discussions/t/how-can-i-compress-pdf-to-1mb-without-losing-quality/63)
**Author:** [@Edward69](https://pdfbookslib.com/discussions/u/Edward69)\ **Replies:** 11\ **Last updated:** [November 11, 2026, 10:21am UTC](https://pdfbookslib.com/discussions/t/how-can-i-compress-pdf-to-1mb-without-losing-quality/63 "2026-11-11T10:21:48Z")
The job portal has a strict 1MB limit, but whenever I compress my 10-page PDF portfolio, the text and images get horribly blurry. How can I drastically shrink the file size while keeping it sharp? --- ## [How do I make a PDF merge pages together for my assignment?](https://pdfbookslib.com/discussions/t/how-do-i-make-a-pdf-merge-pages-together-for-my-assignment/70)
**Author:** [@cityfc\_cardiff](https://pdfbookslib.com/discussions/u/cityfc_cardiff)\ **Replies:** 10\ **Last updated:** [November 9, 2026, 2:37pm UTC](https://pdfbookslib.com/discussions/t/how-do-i-make-a-pdf-merge-pages-together-for-my-assignment/70 "2026-11-09T14:37:08Z")
My assignment is due Friday and I ended up with three separate PDF files, but the submission portal only lets me upload one document. How can I merge them into a single PDF on my laptop? --- ## [Does anyone know how to save pdf rotation permanently after turning scanned pages?](https://pdfbookslib.com/discussions/t/does-anyone-know-how-to-save-pdf-rotation-permanently-after-turning-scanned-pages/69)
**Author:** [@Levi\_99](https://pdfbookslib.com/discussions/u/Levi_99)\ **Replies:** 10\ **Last updated:** [November 9, 2026, 6:52am UTC](https://pdfbookslib.com/discussions/t/does-anyone-know-how-to-save-pdf-rotation-permanently-after-turning-scanned-pages/69 "2026-11-09T06:52:13Z")
I scanned a bunch of pages that came out sideways and rotated them in the viewer so they look right but the changes never stick when I save and reopen the file. Is there a way to make the rotation permanent? --- ## [How do I get this file to a 250 kb pdf?](https://pdfbookslib.com/discussions/t/how-do-i-get-this-file-to-a-250-kb-pdf/54)
**Author:** [@code\_fan](https://pdfbookslib.com/discussions/u/code_fan)\ **Replies:** 11\ **Last updated:** [November 6, 2026, 10:21pm UTC](https://pdfbookslib.com/discussions/t/how-do-i-get-this-file-to-a-250-kb-pdf/54 "2026-11-06T22:21:53Z")
I’ve got a 20-page scanned contract and a one-page addendum, and every merge I’ve tried makes the scan look blurry. How can I combine two PDFs without losing quality? --- ## [Can someone explain how to merge multiple PDFs into one PDF?](https://pdfbookslib.com/discussions/t/can-someone-explain-how-to-merge-multiple-pdfs-into-one-pdf/50)
**Author:** [@rogue\_x](https://pdfbookslib.com/discussions/u/rogue_x)\ **Replies:** 10\ **Last updated:** [November 4, 2026, 10:21am UTC](https://pdfbookslib.com/discussions/t/can-someone-explain-how-to-merge-multiple-pdfs-into-one-pdf/50 "2026-11-04T10:21:48Z")
I have several PDF files for a class assignment and need them combined into one document, but I’m not sure how merging works. Can someone explain? --- ## [How can I split documents in PDF using just my phone?](https://pdfbookslib.com/discussions/t/how-can-i-split-documents-in-pdf-using-just-my-phone/44)
**Author:** [@tired\_serpent](https://pdfbookslib.com/discussions/u/tired_serpent)\ **Replies:** 11\ **Last updated:** [November 1, 2026, 10:21pm UTC](https://pdfbookslib.com/discussions/t/how-can-i-split-documents-in-pdf-using-just-my-phone/44 "2026-11-01T22:21:51Z")
I only have my phone and need to split a 40-page scanned contract into separate files tonight. The viewer won’t let me pull pages out. Is that even possible from a phone?