# \#citations

**URL:** https://pdfbookslib.com/discussions/tag/citations/10.md

[Latest](https://pdfbookslib.com/discussions/latest.md) · [Categories](https://pdfbookslib.com/discussions/categories.md) · [Tags](https://pdfbookslib.com/discussions/tags.md)

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## [How can I add a watermark to PDF invoices?](https://pdfbookslib.com/discussions/t/how-can-i-add-a-watermark-to-pdf-invoices/114)

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**Author:** [@Saoirse92](https://pdfbookslib.com/discussions/u/Saoirse92)\
**Replies:** 6\
**Last updated:** [November 13, 2026, 10:36pm UTC](https://pdfbookslib.com/discussions/t/how-can-i-add-a-watermark-to-pdf-invoices/114 "2026-11-13T22:36:47Z")

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I need to stamp a paid watermark across about fifty client PDF invoices this month. Is there an easy way to apply it across all of them without manually editing every single file?

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## [Is there a free pdf splitter that works on my phone?](https://pdfbookslib.com/discussions/t/is-there-a-free-pdf-splitter-that-works-on-my-phone/113)

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**Author:** [@Karen88](https://pdfbookslib.com/discussions/u/Karen88)\
**Replies:** 6\
**Last updated:** [November 13, 2026, 4:21pm UTC](https://pdfbookslib.com/discussions/t/is-there-a-free-pdf-splitter-that-works-on-my-phone/113 "2026-11-13T16:21:47Z")

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I need to pull three pages out of a PDF on my phone, but everything I’ve tried asks for payment before saving. Is there a free splitter that works well on mobile?

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## [How do i get rid of pdf on my phone?](https://pdfbookslib.com/discussions/t/how-do-i-get-rid-of-pdf-on-my-phone/112)

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**Author:** [@temp92124](https://pdfbookslib.com/discussions/u/temp92124)\
**Replies:** 6\
**Last updated:** [November 13, 2026, 10:36am UTC](https://pdfbookslib.com/discussions/t/how-do-i-get-rid-of-pdf-on-my-phone/112 "2026-11-13T10:36:47Z")

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I downloaded a PDF a while back and now it’s just sitting in my downloads taking up space, but I can’t figure out how to delete it. I’m on Android and tapping it only opens the file. How do I actually remove it?

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## [Adobe acrobat vs alternatives pdf filler 2026 - which one's worth it?](https://pdfbookslib.com/discussions/t/adobe-acrobat-vs-alternatives-pdf-filler-2026-which-ones-worth-it/111)

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**Author:** [@Reid08](https://pdfbookslib.com/discussions/u/Reid08)\
**Replies:** 6\
**Last updated:** [November 13, 2026, 4:21am UTC](https://pdfbookslib.com/discussions/t/adobe-acrobat-vs-alternatives-pdf-filler-2026-which-ones-worth-it/111 "2026-11-13T04:21:47Z")

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I fill and sign PDF forms almost daily for work and I’m torn between Adobe Acrobat and the cheaper alternatives. Is the subscription still worth it in 2026, or have the others finally caught up?

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## [Does anyone know how to make a password protected pdf unprotected?](https://pdfbookslib.com/discussions/t/does-anyone-know-how-to-make-a-password-protected-pdf-unprotected/110)

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**Author:** [@MadisonStewart](https://pdfbookslib.com/discussions/u/MadisonStewart)\
**Replies:** 6\
**Last updated:** [November 12, 2026, 10:36pm UTC](https://pdfbookslib.com/discussions/t/does-anyone-know-how-to-make-a-password-protected-pdf-unprotected/110 "2026-11-12T22:36:48Z")

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My bank sends my monthly statements as locked PDFs, and I am tired of typing the code every single time I open them on my Mac. Since I already know the password, is there a simple way to remove the protection permanently…