Portable Document Format (PDF) is a platform-independent standard developed by Adobe System in 1993 for document exchange.

learn more… | top users | synonyms

34
votes
17answers
4k views

How to print documents to pdf [closed]

I like to print PDFs of my documents. I've been using PDFCreator. Is this a good choice, are there any better solutions?
16
votes
5answers
30k views

Removing the password from a PDF file

I have a couple of ebooks as PDFs with passwords, however my ebook reader (sony prs600) doesn't seem to support PDFs with passwords. What is the easiest of removing the password from a PDF (I know ...
68
votes
10answers
71k views

Stop PDFs from displaying inside Google Chrome

When I click on a PDF link in Chrome, it opens automatically inside the browser window. How can I get it to download instead and open with an external viewer? Update: I implemented djhowell's ...
155
votes
17answers
282k views

How to compare the differences between two PDF files on Windows?

Do you know a good Windows software to compare PDF files side-by-side and show the modifications between the two? It would be great if you can post both free and not-free products.
29
votes
4answers
22k views

How can I split a PDF's pages down the middle?

Does anyone know of a good way to split a pdf's pages down the middle into two new pages? To be clear, I'm not trying to split out already existing pages from a pdf; I am trying to create two new ...
21
votes
6answers
4k views

Convert PDF to Word document? [closed]

Any software/idea how to convert pdf document to word document?
31
votes
10answers
44k views

How to extract text with OCR from a PDF on Linux?

How do I extract text from a PDF that wasn't built with an index? It's all text, but I can't search or select anything. I'm running Kubuntu, and Okular doesn't have this feature.
29
votes
10answers
112k views

Batch convert Word documents to PDFs

How do I batch convert many Word documents and have them saved as [originalfilename].pdf?
22
votes
8answers
156k views

How to copy text out of a PDF without losing formatting?

When I copy text out of a PDF file and into a text editor, it ends up mangled in a variety of ways. Formatting like bold and italics are lost; soft line breaks within a paragraph of text are converted ...
53
votes
4answers
68k views

How can I fix/repair a corrupted PDF file?

Does anyone have any recommendation or procedures for repairing a corrupt PDF? When I open the file I get "There was an error opening this document. the file is damaged and cannot be repaired." ...
11
votes
3answers
32k views

Download all PDF links in a web page?

Do you know a good software to download all PDF links in a web page?? Operating system is Windows 7.
34
votes
4answers
14k views

Make Chrome always open PDFs itself

I'm looking for a way to make Google Chrome always open PDFs with its internal viewer when I click a link, as opposed to downloading it to the default location. It works with most URLs, but some ...
34
votes
7answers
27k views

How to extract image from PDF file

I currently use Foxit's PDF reader, and I recently downloaded an image from the Internet, but it is inside a PDF file. How do I extract this image? Operating system is Windows 7.
11
votes
7answers
20k views

Convert PDF 2 sides per page to 1 side per page

How can I convert a PDF with 2 sides per page to 1 side per page?
18
votes
5answers
7k views

search PDFs with non-standard character encodings

Some PDF files produce garbage ("mojibake") when you copy text (even though they render OK). This makes it impossible to search them (whatever you search for will not match the garbage). Does anyone ...
21
votes
11answers
76k views

PDF has garbled text when copy pasting

I'm trying to copy and paste text from a PDF file. However, whenever I paste the original text it is a huge mess of garbled characters. The text looks like the following (this is just one small ...
23
votes
4answers
80k views

How to disable automatic opening of PDF files in chrome [duplicate]

Possible Duplicate: Stop PDFs from displaying inside Google Chrome Chrome is opening the PDF files automatically and don't give option to save the file. How can i change this behavior?
75
votes
13answers
183k views

How to know which fonts are used in selected part of a PDF document

I'm using Foxit Reader as default PDF viewer. How can I see what type of font is used for a selected part of a PDF document? (If this can only be done with another software, I'd prefer a freeware as ...
31
votes
9answers
149k views

How to remove security from a PDF file?

I am trying to fill out some docs, but the provided PDFs are "SECURED", meaning I can't use FoxIt's typewriter tools. Is there any way to remove the security?
20
votes
7answers
52k views

How to merge multiple PDF files onto one page with pdftk?

I have a range of PDF files 1.pdf, 2.pdf, etc. that I would like to merge into one file, with all the PDFs tiled on one page. Currently, I have tried pdftk to merge these files, but they are put on ...
13
votes
2answers
16k views

Using Ghostscript to convert multi-page PDF into single JPG?

I know Ghostscript can convert PDFs to JPGs, and in the case of a multi-page PDF, can rip each page to an individual JPG. But is it possible to have it rip them to one JPG, so that the pages are ...
7
votes
7answers
25k views

Adobe Acrobat: How to batch to combine multiple pdf files?

I have 3 folders: Folder 1 Folder 2 Folder 3 In each folder I have 5 pdf files: Folder 1 file1.pdf file2.pdf Folder 2 file1.pdf file2.pdf Folder 3 ...
5
votes
4answers
840 views

How do I convert this filetype to pdf?

This question is coming back often, and the general answers are very often the same. In an objective to concentrate useful information in one place, here is a community wiki about it. How can I ...
8
votes
6answers
2k views

Is there a free way to compress a PDF? [duplicate]

I have several PDFs that are quite large (one is 80+ MB). Is there a free way to compress that PDF to a smaller size?
4
votes
4answers
815 views

Convert PDF to ePub [closed]

I would like to convert a PDF file to ePub format for reading it on an iPhone. Is there an online/desktop tool that will allow me to do that?
45
votes
3answers
21k views

Convert a PDF to greyscale on the command line in FLOSS?

I have a colour PDF file, and I'm going to print it out and then photocopy it in black and white. I'd like to know what it's like in B&W before photocopying it. Is it possible to 'greyscale' a PDF ...
24
votes
6answers
30k views

Are there tools available for trimming PDF margins?

I have an ebook I'm trying to read in PDF format on a Kindle. Unfortunately, the page headers and footers have some content (page number and copyright info, respectively) preventing the device from ...
23
votes
8answers
4k views

How to change internal page numbers in the meta data of a PDF?

I have a pdf document I created through non-Acrobat means (printing to pdf, then merging a bunch of pdfs), but I'd like to manually change the page numbers (i.e. the first several pages are simply ...
19
votes
10answers
205k views

Adjust PDF Contrast with Adobe Reader/Acrobat?

We get PDF's from our professor to read for homework but they're often scanned documents, is there a way to adjust the contrast of the text to make it easier to read? Edit: I've got Photoshop but is ...
25
votes
12answers
87k views

How do I save an image PDF file as an image?

I have a PDF that contains a scan image of a document. I want to save the contents of this PDF as an image so that I can then run it through an OCR program that only accepts .jpg, .png, and .gif type ...
19
votes
9answers
16k views

Merge two PDF files containing even and odd pages of a book

I have two searchable PDF documents, say even.pdf and odd.pdf which contain even and odd pages of a book, respectively. I can decompile each PDF to separate files 001.pdf 002.pdf 003.pdf, et cetera....
15
votes
6answers
46k views

From Word to PDF including bookmarks

I created a Microsoft Word file with Office 2007 and exported it via Jaws PDF Creator. Now I want some bookmarks or any kind of "linking-action" that makes it easier to navigate through the document. ...
10
votes
5answers
9k views

Software to read PDFs with inverted colors

I sometimes want to read a long PDF file in a computer, but because white background I can read only a few pages until my eyes weep. Is there any software to invert colors of a PDF (PDF converter, ...
8
votes
5answers
25k views

How can I print out a PDF substituting pixels for blue pixels?

I have no more black ink in my Canon MP560 printer. All other colors print fine. I need to print out an online train ticket. When I print it out, I can't see any of the page that is in black (most ...
14
votes
1answer
4k views

Where does Okular store the PDF annotations?

I am using Okular in Ubuntu 11.04 as it has support to annotations and is faster to do a quick find across large documents. The annotations are not stored in the document, but are stored as metadata ...
6
votes
7answers
3k views

Extracting text from a .PDF scanned book [closed]

I have a scanned a book in PDF format, but the quality is rather poor: (The language is Romanian and it's a medical physiology book, in case you were wondering) I want to extract text from the ...
10
votes
3answers
20k views

How to split pdf file in windows? [duplicate]

I have a pdf file with 120 pages. How can I extract only pages 20-30 and save it as another pdf file? I'm using free version of Foxit Reader. It doesn't have this facility. Any solution?
7
votes
4answers
8k views

What free software can convert fillable forms pdf to fillable and **savable** pdf?

There are files with fillable but not savable forms. Acrobat Reader does not allow save such documents. What free software can convert fillable forms pdf to fillable and savable forms pdf?
5
votes
2answers
305 views

Creating PDF Documents

When creating PDF documents a friend of mine told me that doing a "Save As" is generally a better way to create a PDF doc, the way that I generally created them was through the "Print to PDF" option ...
5
votes
3answers
4k views

How to do OCR on a PDF document? [duplicate]

Possible Duplicate: How to extract text with OCR from a PDF on Linux? I have a few documents in English and Hebrew that I scanned in and converted to PDF format. Is there some free or cheap ...
10
votes
4answers
3k views

reduce pdf file size [closed]

I have an 8 MB pdf file that definitely doesn't need to be that big. What free windows programs are there available that can reduce the size of pdf files?
5
votes
3answers
10k views

Saving a Word document to PDF, how to create a table of contents?

How do I create a table of contents when saving a Word document and saving as a PDF file? That is, when you buy an e-book, it has a nice table of contents in the left pane that remains there while ...
3
votes
1answer
5k views

Convert a colored PDF into a white/black

On Debian Sid, I have a PDF with a blue background and yellow font. I've searched a lot on Super User but i haven't found anything useful for me. I have tried to convert the PDF into a grayscale one ...
3
votes
5answers
2k views

Splitting a PDF document in two without purchasing a PDF editing tool

Acrobat Reader allow us to easily save a copy of the PDF document. How can I save only from page 5 to 10 without purchasing a PDF editing tool?
9
votes
5answers
6k views

Are .docx or .pdf files potentially dangerous?

Just a general question of computer security - if I download a .pdf or .docx from an untrusted source, can it seriously harm my machine/give a malicious user access to my information? Or is it ...
7
votes
3answers
20k views

How to create PDF bookmarks from Microsoft Word?

I have a PDF file which I converted From Microsoft Word. Actually I'm working on an eBook and now I want to publish it as a PDF. How do I create PDF bookmarks, either through Word or through editing ...
4
votes
2answers
1k views

Is it true that strongly-password-protected PDF can be cracked?

I want to protect my PDF with a strong password. But I heard that it can be cracked. Is it true that strongly-password-protected PDF can be cracked? Edit: This is my real scenario. I want to ...
4
votes
3answers
5k views

How can I copy this quote from PDF? [duplicate]

Possible Duplicate: PDF has garbled text when copy pasting I'm reading a PDF copy of Jerome H. Friedman's paper "Data Mining and Statistics: What's the Connection?" using Google Chrome. It ...
4
votes
7answers
1k views

How to turn webpages into pdf?

I mean saving them as a pdf and keep them as a backup for future reference or for future reading
57
votes
2answers
61k views

Export PowerPoint to PDF with each animation on a separate slide

I have a PowerPoint presentation where I extensively use simple animations, only appear/disappear effects triggered by the mouse (not time based), without any smooth transitions. Is it possible to ...