Free pdf file software for linux

PDFUtil is a service menu entry that allows rotate and other interesting utilities for pdf files.

CL-PDF is a cross-platform Common Lisp library for generating PDF files.

It does not need any third-party tools from Adobe or others. It is used by cl-typesetting to provide a complete typesetting system.

a2pdf project converts ASCII text to PDF format, with optional line/page numbering and Perl syntax highlighting.

Usage:

a2pdf [options] input.txt >output.pdf

Options:

a2pdf recognises the following command line options:

--help
Prints usage details and exits.

--doc
Displays full documentation and exits.

--version
Prints version number and exits.

--title
Sets the title to be included in the page header. If unspecified, the title will default to the name of the file which is being converted, or to STDIN if a2pdf is processing from standard input.

--timestamp
Boolean option - if set, the timestamp of the file to be converted will be included in the page header. This option is turned off by default.

--icon
Path to an image file which will be included as part of the header in the top left of each page. Image files may be in any format supported by PDF::API2.

--icon-scale
Scaling value for icon images, default is 0.25.

--header | --noheader | --notitle
Prints a header consististing of the page title, and optionally the timestamp and an image icon at the top of each page. This option is enabled by default, use "--notitle" or "--noheader" to disable.

--footer | --nofooter | --page-numbers | --nopage_numbers
Adds the current page number to the bottom of each page. This is enabled by default, use --nofooter or --nopage-numbers to disable.

--line-numbers | --noline-numbers
By default, line numbers will be included in the output PDF file. To disable this behaviour, use the --noline-numbers option.

--perl-syntax | --noperl-syntax
Enables or disables (default is enabled) Perl syntax highlighting. This feature requires that the Perl::Tidy module is installed.

--page-height
Page height in points. Default is 842 (A4).

--page-width
Page with in points. Default is 595 (A4).

--margins
--left-margin
--right-margin
--top-margin
--bottom-margin
Specifies the non-printable area of the page. The margin option will set all margins to the same value, however individual margins may be altered with the appropriate options. Values must be given in points. The default value for all margins is 48 points (0.75").

--font-face
Sets the font to use for the PDF file - currently this must be one of the PDF core fonts. The default font face is Courier.

--font-size
Font size in points, default value is 10.

--line-spacing
Line spacing in points, default value is the font size + 2.

--noformfeed
By default, any formfeed characters in the input stream will be processed and will act as expected, i.e. a new page will be started in the output PDF file. This can be disabled with the "--noformfeed" option which will cause all formfeed characters to be ignored.

Options may be given in any format recognised by the Getopt::Long Perl module, e.g. --name=value or --name value. Option names may be abbreviated to their shortest unique value.

If the input filename is not given, then a2pdf will expect to receive input from STDIN.

PdfRipImage is a utility to extract images from PDF documents and convert them to a format of your choice. You can choose to extract whole pages or just the images contained in them.

The program is available as a GNOME graphical version.

Wad2PDF examines wad files and prints an overhead picture of all levels to a PDF file.
Wad2PDF is a program that converts the levels in Doom wad files into PDF files. The result has a birds eye view of every level, with floors neatly texturized and all items in the level in their proper places.
The PDF output can be imported to graphics programs for further editing or printed out directly. You can even create wall-sized mega posters of your favorite Doom levels.
Main features:
- supports all Doom games: Ultimate Doom, Doom II, Heretic, Hexen, and Strife
- full pwad support
- creates browsable PDF with bookmarks identified by level names
- reads gl nodes both from wads and GWA files
- resulting PDF is vectorized and can be zoomed arbitrarily (extreme zooms will make the textures blocky, though)
- available under the GPL
- does not support hi-res graphics or scaled/zoomed flats

PDF Download is an extension which allows you to choose what to do with a PDF file on a website.

Allows to choose if you want to view a PDF file inside the browser (as PDF or HTML), if you want to view it outside Firefox with your default or custom PDF reader, or if you want to download it!

PDFBox is an open source Java PDF library for working with PDF documents. PDFBox project allows creation of new PDF documents, manipulation of existing documents and the ability to extract content from documents. PDFBox also includes several command line utilities.
Main features:
- PDF to text extraction
- Merge PDF Documents
- PDF Document Encryption/Decryption
- Lucene Search Engine Integration
- Fill in form data FDF and XFDF
- Create a PDF from a text file
- Create images from PDF pages
- Print a PDF
Enhancements:
- This release contains significant bugfixes and an overhaul of the encryption framework.

Requirements:

• Python