Questions tagged [pdf]

Documents in the Portable Document Format, created by Adobe Systems, and readable with Adobe Reader, Apple Preview, and other software programs

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218 votes
8 answers
1.4m views

How do I combine two or more images to get a single pdf file?

Say I have some image files (for instance, the result of scanning some sheets) and I want to combine them into a single pdf file, each image on a different page. Is there a faster / more convenient ...
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  • 2,950
51 votes
5 answers
174k views

How can I convert JPG into PDF easily?

Is there any way to batch convert .jpg files into single .pdf files?
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29 votes
13 answers
45k views

Make existing PDF searchable ( OCR ) via command line / script

I am looking for an offline scriptable tool that makes an existing PDF file searchable by running OCR on it, replacing the original non-searchable file with the searchable version, and can run ...
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  • 868
15 votes
9 answers
27k views

What readers annotate PDFs better than the Preview app?

I usually spend around 3 or 4 hours a day working with and annotating PDFs. I've always used Preview, but there's a few things that bother me about it. Mainly the large icons used when you place notes,...
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  • 253
15 votes
12 answers
42k views

Change background colour for PDF when Viewing

When a PDF is opened, its actual background color is often white. On Windows, several PDF viewers have the ability to set the background color to another one, which doesn't modify the PDF file itself. ...
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74 votes
9 answers
72k views

How to decrease .pdf size without losing quality

Background I want to decrease size of the .pdf filled with images. In Preview in can be dome through Export and set Quartz Filter-> Reduce File Size before saving. Problem The file indeed ...
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  • 2,667
14 votes
4 answers
8k views

finer control of Preview anti-aliasing (font smoothing)?

I have just updated to Yosemite and something must have changed in the way Preview renders fonts. I find that Preview display of text in PDF files is rather sloppy, I am pretty sure it used to be ...
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  • 379
8 votes
3 answers
4k views

Can man pages be converted to html and/or pdf format?

The command man bash produces a lot of output. What I desire would be to either search the results or print the results to paper. So, is there a way to convert a man page to a html and/or pdf document....
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44 votes
9 answers
52k views

What software is available (preferably free) to edit PDF files on Mac OS X?

What free software/app is there to edit pdf files on Mac OS X? Specifically I am looking to edit an existing PDF file and re-save it in PDF format.
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  • 983
18 votes
4 answers
25k views

What causes PDF file size to increase when saving in Preview?

It seems that making edits, annotations, or even just opening and saving a PDF file in Preview will cause a significant increase in file size. I've noticed that for some books I've scanned this also ...
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  • 237
11 votes
1 answer
7k views

Crop multiple pages in a pdf file

I can use Preview app to select a region and crop a page. Can I do the same cropping for a whole pages in pdf? Are there tools (commercial or free) available for it?
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  • 5,444
8 votes
3 answers
9k views

How make Safari 7 open PDF files in Preview instead of opening them in-page?

Since Safari 7.0 which was introduced yesterday with OS X Mavericks the little terminal hack defaults write com.apple.Safari WebKitOmitPDFSupport -bool YES doesn't work anymore (at least not for me)....
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  • 301
3 votes
2 answers
2k views

Preview on Catalina fails to select or copy text in PDF

After entering the Title for this question, I see numerous links to (perhaps) similar questions regarding Preview's failure to select or copy text from a PDF document. And so this question may do ...
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  • 3,220
81 votes
12 answers
481k views

Blacking out a part of a PDF, or redaction of text

What methods are there to blackout a part of a PDF? I don't want to simply use Preview's annotation tools and then save the document, since then someone could open up the PDF and remove the ...
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  • 22.8k
35 votes
4 answers
26k views

Mac OS X: How to merge pdf files in a directory according to their file names

I want to merge several hundred pdf files in a directory automatically according to their file names. E.g. The files 1000.1.pdf 1000.2.pdf 1000.3.pdf 1000.x.pdf should be merged into 1000.pdf and ...
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  • 1,460
72 votes
6 answers
176k views

Add images to existing PDF with Preview

Preview allows to add text and shapes to PDFs. But is it possible to add existing images (PNG / JPEG) to a PDF file as well? I do know that Preview already has some of image embedding by allowing the ...
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  • 869
75 votes
8 answers
68k views

Is there the dark mode (inverted colors) in the 'Preview' Application for PDF reading? [duplicate]

I am using the “Preview” application for reading a PDF file on a MacBook Pro. Is there any way in I can read it in dark mode? You can do it in Adobe Acrobat Reader by changing background and text ...
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13 votes
1 answer
9k views

PDFs looking different in Yosemite Preview.app [duplicate]

I've just installed Yosemite on my iMac and noticed that my PDF files viewed with the Preview.app don't look the same as in Mavericks. If I view the PDF files directly in Safari, all looks like it ...
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  • 299
38 votes
8 answers
91k views

How can I print a booklet from a pdf file?

I have a pdf document, and I want to print it as a booklet, i.e. two pages of the document on each side of a sheet of paper and so that (when printed) the entire thing can just be folded in the middle ...
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16 votes
4 answers
31k views

How do I count words in a PDF file on OS X?

I'd like to count words on a PDF file on OS X. The inspector doesn't contain the word count.
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28 votes
5 answers
27k views

How to disable Acrobat Reader in Safari?

In Safari, the default PDF-Viewer in Safari is "Preview". Unfortunately, since I installed the Acrobat Reader, this default changed to the Acrobat Reader, which is extremely annoying. How can I ...
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  • 1,257
9 votes
3 answers
24k views

How to clean uninstall Adobe Acrobat Reader DC?

Having to fill a government document I was suggested to install the last version of Adobe Acrobat Reader DC on my Mac (10.10.4). I downloaded version 2015.009.20069 from Adobe server. This software ...
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  • 11.2k
8 votes
9 answers
3k views

iPad PDF Reader with annotation support?

I have to read lots of PDF books on my iPad but I also need to make notes (annotations), notes that I want to be able to transfer to the Mac later. What solutions do I have for this? Please do not ...
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  • 26.9k
10 votes
6 answers
14k views

How to convert a pdf file into a text file?

Is there an easy way to extract plain text from a pdf file? On *nix systems I used to have a command ps2ascii that would do the job, but it seems that this command is not installed by default on my ...
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13 votes
2 answers
5k views

What PDF Viewer can be used to present slides on High Sierra?

I give a lot of talks using PDF slides built with LaTeX beamer. I was very happy with Skim, because it offers you to synchronize two Skim windows, s.t. you don't have to mirror the screen, but instead ...
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  • 648
5 votes
2 answers
7k views

Creating an icon for a homebrew installed software (evince) - Mac OS X

I installed Evince, the famous PDF reader that comes pre-installed with several major GNU/Linux distributions, on Mac OS X using brew install evince now, to open it, I have to type every single ...
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18 votes
2 answers
2k views

Can I disable Safari's pinch-to-zoom tab switcher? [duplicate]

When looking at a PDF document I often want to zoom-out to scroll quickly to its contents and get an overview. However, when I zoom-out past a certain threshold (it seems to differ per PDF) Safari ...
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8 votes
2 answers
2k views

Looking for Software to Scan or Convert to Searchable and Signable PDF

I have the occasional need to scan and/or convert scanned images into PDF format. OS X Mountain Lion does this natively, but as far as I can tell it's just an image wrapped in a PDF, so text selection,...
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  • 81
5 votes
2 answers
1k views

Merge pdfs sequentially

I would like to merge 4 pdfs, pdf1.pdf, pdf2.pdf, pdf3.pdf pdf4.pdf together so that the pdfs are spliced, i.e. the first page will be the first page of pdf1, the second the first of pdf2, the third ...
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4 votes
1 answer
2k views

Preview: PDF Highlighting & Search Stop Working until Restart

A problem has recently become much more prevalent for me when using Preview to search PDFs for text (using Command + F or the search box in the upper right). At first, everything generally seems to ...
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2 votes
1 answer
2k views

What causes incorrect PDFkit or blurry PDF display in macOS Sierra and how to fix or remedy that situation?

Problem: Some applications like Preview or Skim do not display anything in certain PDFs, primarily in text PDFs, while images work fine. Skim even displays tables of contents but both start ...
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  • 7,632
11 votes
13 answers
5k views

Is there an iPhone App for reading PDF files?

After having used Eucalyptus and Stanza apps on my iPhone, I really can't read printed books while traveling any more. What similar app can I use to transfer, store and read my own pdf files on my ...
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  • 251
10 votes
6 answers
73k views

How to not compress inserted pictures in Powerpoint 2011 for Mac?

I am trying to make a presentation for a conference, and am facing a problem that I cannot solve. I have a powerpoint presentation initially created with Powerpoint 2010 for Windows. I am facing ...
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  • 263
5 votes
5 answers
16k views

Why does combining a PDF cause its size to be significantly larger?

I have 3 files about 40 KB each. When I combine them using Preview and save them as a single PDF file, instead of having a size close to 120 KB, the size is closer to 500 KB. Why does this happen, ...
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  • 22.8k
4 votes
4 answers
4k views

How to "find and replace" in a PDF on OS X?

I need to "find and replace" text in a PDF file on OS X Yosemite. It would be better if there was a "replace all" feature. How can I do this on OS X?
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  • 632
3 votes
4 answers
3k views

Convert XPS to PDF

I have been given an XPS file which seems to be readily opened only on Windows based machines. I was under the impression that I could use Acrobat Pro to convert the file to PDF, but it doesn't seem ...
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3 votes
1 answer
591 views

PowerPoint's save as PDF in AppleScript results in print job

I have a small AppleScript to save a PowerPoint pptx file as PDF from command line. I use the script every 6 months, and last autumn it still worked. But today I run into problems. I updated to 10.14 ...
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  • 199
3 votes
2 answers
417 views

Can I handout versions of multiple PowerPoint decks converted to PDF files?

Using PowerPoint 16.15 on Mac OS X High Sierra 10.13.15... I have a folder of PPT files. I would like to save them as PDF files, the layout being Handouts (6 per page) and the output being black and ...
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  • 31
3 votes
5 answers
457 views

What tools allow for creation and editing of a PDF document on OS X?

I would like to create a PDF document with images, text and table of contents. I have also other PDF documents that I would like to merge in this new PDF. Do you know some tools/software for creating ...
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120 votes
9 answers
76k views

How can I combine multiple PDFs using the command line?

Is there a quick one-liner to combine multiple pdfs into one? I know it can be done using Preview.app
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  • 1,450
31 votes
12 answers
263k views

Split a single page PDF into multiple pages

Is there an easy way (in Preview or whatever) to scale up and split a PDF file with a single page into multiple pages? What I would like is to split say an A3 paper document into two A4 pages, to ...
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17 votes
2 answers
7k views

OCR on PDFs in OS X with free, open source tools

After reading these blog posts: Linux, OCR and PDF - Problem solved Creating a searchable PDF with opensource tools ghostscript, hocr2pdf and tesseract-ocr Using Tesseract OCR with PDF scans and ...
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  • 355
19 votes
6 answers
93k views

PDF document with notes has yellow squares, can't remove them

I have a PDF document with a lot of notes. There is a yellow square in every note, and if I remove the note using the inspector, the yellow squares doesn't go away: I need to print this document and ...
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13 votes
7 answers
84k views

How can I combine two PDFs in Preview?

How can I combine two PDFs in Preview?
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10 votes
2 answers
30k views

How do I get Automator actions for Microsoft Powerpoint and Word?

I'm trying to set up Automator with a folder action to convert any Powerpoint or Word documents I drag into it to PDFs. I found this question: How do I script Powerpoint to save a directory of PPTX ...
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  • 241
18 votes
3 answers
2k views

Reopen PDF in Preview on the same page when modified externally

In Mac OS X 10.9 Mavericks when a PDF document opened in Preview is modified by an external application, Preview automatically reopens the new version with the same page displayed as before. After ...
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  • 281
14 votes
7 answers
69k views

Import multiple-pages from a PDF as separate slides in Keynote

I have a PDF with slides in it from someone else and I want to import all the separate pages of the PDF as separate slides in Keynote. The best answer I can find is this one on apple support, but it ...
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  • 771
12 votes
9 answers
38k views

How can I combine PDF files and automatically create a table of contents?

I have a bunch of PDF files named, say, chapter1, chapter2, etc. I would like to combine them into a single file and create a table of contents where each file gets an entry. If memory serves, there ...
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  • 840
23 votes
3 answers
16k views

How to get location of a pdf file opened in preview

I have opened a pdf file in preview, without knowing where this file is located. How can I find out?
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  • 557
7 votes
5 answers
45k views

This PDF displays with question marks instead of letters

Something is wrong with the rendering of this PDF in Preview (or Quick Look). This is how it looks: I can see it in Adobe Reader on Windows. I'm not sure what font it is using, and I have Office 2011 ...
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  • 2,876