Questions tagged [pdf]
Portable Document Format (PDF) is a platform-independent standard developed by Adobe System in 1993 for document exchange.
1,195
questions with no upvoted or accepted answers
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Back button of Google Chrome after clicking a hyperlink whose target is on the same PDF document
PDF documents have hyperlinks to the contents on the same document (analogous to "#section" hrefs for an HTML document). Where's the back button to go back to the page I was on (where I clicked the ...
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7
votes
2
answers
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Display pdf in presentation mode on a chromebook?
Is there any way to display a pdf in fullscreen presentation mode on a chromebook? I have crouton installed but I want to give a presentation without boot into crouton. I found one chrome extension ...
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votes
0
answers
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Okular print multiple pages per sheet has been greyed-out/deactivated
As the question goes, the page setup options remain greyed out whenever I want to print multiple pages a side and save it as a pdf document in a file (the print to file option). I do not have a ...
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6
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answers
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How to convert DJVU's to PDF in calibre?
Im trying to use Calibre to upload some ebooks to my Kobo ebooks reader. When trying to do that, Calibre first tries to convert the file to EPUB but fails in this step. The uploaded files are EPUB ...
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6
votes
0
answers
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How to extract all info on PDF bookmarks using GhostScript?
Is there a method of dumping all info on the bookmarks of a PDF using GhostScript?
With PDFtk I could use pdftk in.pdf dump_data, but is it possible to do it with GS?
I have a PDF with bookmarks ...
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5
votes
0
answers
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Customize appearance of digital signature in Okular
I am using KDE Neon, and I have successfully configured Okular to add a digital signature to my PDF (using Tools > Digitally Sign menuitem).
However, it looks ugly like this (the rectangle with ...
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5
votes
0
answers
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views
Can I tinker with the encoding when using pdftotext to convert PDF to text?
Sometimes when I do pdftotext it results in perfect text. I assume this is because the actual unicode text data is embedded directly in the PDF itself, and simply read out.
But other times (around ...
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answers
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Embedding videos in PDF without flash
As far as I understand it, from reading the documentation for media9, videos are generally embedded in PDFs by including Flash video players in the PDF.
Unfortunately that means readers that can play ...
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5
votes
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answers
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How to compress Tesseract-encoded PDFs while maintaining embedded text from OCR?
I've been experimenting with using Tesseract to OCR my PDFs, and it has been mostly successful, particularly with German Fraktur texts (the old style gothic print), which tools like Adobe Acrobat can'...
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5
votes
1
answer
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Can text be extracted from a PDF with an “Invalid XRef entry” error?
I have a PDF which I’m trying to read, but won’t open in Adobe Reader. When using pdftotext, I saw it said “Invalid XRef entry.” PDFtk and Ghostscript haven’t been able to parse the file. I tried to ...
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5
votes
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answer
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Chrome: how to open with system viewer by default?
Google Chrome used to open PDFs downloaded to the hard drive using the system's default PDF viewer by default. Recent versions of Chrome use Chrome's (inferior) built-in PDF viewer by default even ...
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votes
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answers
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How do I get custom document properties to export into PDF?
When I export a document to PDF, the Title, Author, and Subject export just fine. However the values in the "Custom Properties" tab in File | Properties, do not get exported into the PDF custom ...
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5
votes
1
answer
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Redefine shorcuts in Skim
I am using SKIM for Mac to read PDFs and annotate. I wonder how can I change keyboard shortcuts, the one I need the most for marking text (Ctrl+Cmd+H) is rather insane.
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5
votes
2
answers
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Export for PDF/A results in low-quality PDF
I have a thesis written in word with some figures. I was required to write it in Word, but in the end I managed to deal with the figures.
I exported to PDF for printing, and it looks fine on screen ...
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4
votes
0
answers
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libreoffice how to digitally sign pdf export with gpg key
I am trying to export as a pdf and add a signature, or add a signature to an existing pdf, but whenever I try to export, after selecting a gpg key to use for the certificate (I don't fill in any of ...
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4
votes
1
answer
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Error exporting PDF file in jupyter notebook: pgfkeys '/tcb/size' error
I'm trying to export a notebook from Jupyter as a PDF file and server dumps this error mesage:
nbconvert failed: PDF creating failed, captured latex output:
Failed to run "['xelatex', './notebook.tex'...
4
votes
0
answers
731
views
Getting rid of WPS Office registry leftovers after uninstallation
I have downloaded and installed WPS Office to test it and see if it is good for my needs but it wasn't. So i uninstalled it (using the control panel's program and features). however i still see some ...
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4
votes
0
answers
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views
Is there a way to highlight find results in the scrollbar in Adobe Reader?
One of the features I really like in Chrome is that find results show up as little yellow highlights on the scrollbar (see below).
Chrome's PDF reader is fine, but I prefer Adobe Reader. Is there ...
user623763
4
votes
0
answers
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views
How can i make the background paragraph color be over the background image?
I have this particular problem. My LibreOffice Write document has inserted a background image following the method proposed in their Q&A site (link in the comentaries), which reads as follows:
...
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4
votes
2
answers
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Is it possible to generate PDFs of the entire scrollable web page?
I am trying to capture my transcript from a webpage but there is no feature to capture all contents of the transcript. So I'm looking for a tool that can help save the entire webpage as a multi-page ...
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4
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0
answers
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How to disable cmd + scroll zooming in Firefox's pdf viewer?
In about:config, I've set both mousewheel.with_meta.action to 0, and it disables zooming while holding down cmd and when I scroll for webpages, but when I am viewing a pdf in the browser (Firefox), ...
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votes
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answers
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How can I enable smooth scrolling in Adobe Acrobat Reader DC?
I just updated to the latest Adobe Acrobat Reader DC, and since then, the scrolling in the pdf documents is very poor, it is like lines are jumping on the screen.
This problem wasn't in the previous ...
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4
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0
answers
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How to print a long PDF page on a receipt printer?
I have an Epson TM-T88IV thermal point of sale printer and I print receipts with it. The receipts are given in PDF format. I have the problem that since some weeks the printer can only print receipts ...
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4
votes
1
answer
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Tesseract hocr and txt at the same time, or converting from Tesseracts hocr to txt
I've been playing around with Linux OCR software, and I really like Tesseract, especially in conjunction with gsan2pdf. Tesseract v3 or greater supports outputting in the hocr format, and gscan2pdf is ...
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4
votes
2
answers
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Proper PDF metadata key to enable right-to-left viewing in "Facing" view mode in PDF readers
I was wondering whether anyone knew the proper PDF metadata key (and value) in order to signify to PDF readers that the PDF in facing mode should be displayed from right-to-left (RTL) and not left-to-...
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4
votes
0
answers
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Missing characters when printing in linux
I have a pdf that I was printing recently, and on the final printout there is a single character that doesn't print. It is the greek letter phi, and the pdf was built with pdflatex. The phi shows up ...
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4
votes
2
answers
872
views
Semantic PDF to HTML conversion
I would like to convert a PDF document to a collection of HTML pages that exhibit 'clean' markup, and generate/keep semantic info (chapters, sections...), as well as perform cleanup tasks (e.g. I am ...
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4
votes
2
answers
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Save all PDFs in all tabs in Google Chrome
Tab managers are a dime a dozen in Chrome.
But do any of them let you save the contents of all the tabs you have open?
I have forty-odd PDFs of research papers open in my tabs, and I just want to ...
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4
votes
1
answer
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views
Replace (OCR) garbled text in PDF?
Now and then I come across a PDF which looks fine in first place but the underlying text is garbled.
Currently I have a PDF where only the headings are garbled and I would like to know if it's ...
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4
votes
1
answer
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How to add OCRed text to original pdf in gscan2pdf?
I am new to gscan2pdf 0.9.31, and just used it to OCR a scanned pdf.
After saving the pdf, the OCRed text is stored on the top left corner. However I wish each OCRed character to be added to ...
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4
votes
4
answers
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views
scale pdf to exact size
I need a program for Linux which can scale pdf files to a specified size, stretching them if needed. I would prefer a command line program, but something with a gui is ok too.
I found a lot of ...
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3
votes
0
answers
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views
Microsoft Word Print/Save as PDF now “Untitled” instead of DOCX filename
Just recently my copy of Microsoft Word for Mac Version 16.72 (2021) has stopped titling filenames of PDFs when exported from the Print dialog.
Steps:
Open or create a Word DOCX file.
Hit commandP, ...
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3
votes
3
answers
221
views
How to print the target page number in the margin opposite a link in a pdf
If you have a link in a PDF which points to a page within the same document, is there any way to get the number of the page pointed to to appear in the right hand margin opposite the link, so that ...
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3
votes
0
answers
222
views
Form filling in presentation mode in okular
I have a beamer presentation with some animation. When I load the pdf, okular shows a "Show forms" option, on enabling that I am able to play those animations. However when I enter the ...
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3
votes
1
answer
267
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Compressing pdfs
I've been using a web service at ilovepdf.com to compress some PDF files. And by some, I mean "several hundred to several thousand". The output files look identical (to my eye) and weigh in ...
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3
votes
0
answers
637
views
Resizing PDF pages to uniform size
I have a multi-page PDF file. Due to the nature of its making (scanning with a camera and then cropping), the pages are all in different (but similar) sizes. I would like to perform resizing on each ...
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3
votes
0
answers
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Okular Windows 10 not showing videos in PDF
I'm creating a presentation using beamer. I've embedded a video in the pdf using media9 package. I'm using Okular PDF viewer. In ubuntu, everything works fine i.e. I can see the video playing as soon ...
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3
votes
2
answers
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views
Export to PDF with LibreOffice command-line, selecting an output filename
This works to export a PDF:
C:\Program Files\LibreOffice\program\soffice.exe --headless --convert-to pdf test.doc --outdir .
but it doesn't allow to change the output filename. I found the option to ...
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3
votes
0
answers
309
views
Can pdftk merge annotations from multiple files (same document)?
I have multiple versions of the same document, with different annotations (comments, highlights, etc.). For example, suppose I sent a PDF document to some colleagues and they sent it back with the ...
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3
votes
1
answer
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Modify VB Script that saves .pptx/.docx/.xlsx to .pdf, so that it prints .pptx/.docx/.xlsx to .pdf
Every day I print a handful of .pptx and .docx files to .pdf files. I scoured the internet to find the script linked here. I will paste the script below, too.
The script works great at generating ....
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3
votes
1
answer
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views
How to use Pandoc with double-byte characters?
I am trying to convert a Markdown document to PDF. The following works using pandoc test.md -o test.pdf:
# Test
Testing
But this
# Test
日本語
gives me an error:
! Package inputenc Error: Unicode ...
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3
votes
2
answers
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How to find pdf files with 2 strings in pdfgrep?
I use pdfgrep in Fedora 25 and I need to locate pdf files containing "just" two strings: I tried like this but I think it is wrong:
pdfgrep -HiRn 'string 1|string 2' .
How should this command be ...
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3
votes
1
answer
406
views
Tagging a PDF background image as background without tagging foreground content
I have a tagged PDF that has a one remaining accessibility problem: some background images were never tagged as background images. Is there a way to do this in Acrobat Pro DC without also tagging the ...
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3
votes
0
answers
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views
Creating a PDF file that prevents saving background images
I would like to create a PDF file such that the viewer is able to select and copy the text, but not the images in it.
I have seen examples of this in some invoicing documents, where you cannot ...
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3
votes
0
answers
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views
Converting Multiple .doc files to searchable .pdf
I have a batch command file that runs daily converting data extract files to .txt, .doc, and then to .pdf formats. I run a series of formatting macros in Word on the .txt file before saving to .doc ...
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votes
0
answers
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Parts of a pdf file display strange characters on some computers
I'm looking for help for a problem one of our consultants has with a PDF file. I've looked for similar problems, but the closest one "Why do strange characters sometimes appear in PDFs on some ...
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3
votes
0
answers
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Is there a shortcut to jump to the Top/Bottom of the current page in Adobe Acrobat Reader DC?
I know how to jump to the top or bottom of the document;
To jump to the top of the document: HOME
To jump to the bottom/end of the document: END
Is there a shortcut to jump to the Top/Bottom of the ...
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3
votes
1
answer
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views
PowerPoint to pdf -- loss of image quality (samples provided)
We hope we can get some competent help. We tried to solve this for the past couple of hours, but no luck.
We have a PPT PowerPoint file (MS Office 2007) which includes a couple of screenshots and ...
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3
votes
0
answers
680
views
How can I see source of broken hyperlinks on PDF document?
I have a PDF document with a number hyperlinks inside which (I believe) are URL links.
However, when I click these hyperlinks, nothing happens. They are broken.
Is it possible for me to see where ...
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3
votes
0
answers
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views
PDF works on Windows but not Ubuntu
On Ubuntu, if I try to view this pdf:
https://gradschool.princeton.edu/sites/gradschool/files/FPO_Examination_Report.pdf
Everything shows up well except the second line (the one that contains "having ...
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