There are several reasons why PDF files are so popular for exchanging all sorts of documents including presentation portfolios, CAD Drawings, invoices and even legal forms. PDF files are generally more compact (smaller in size) than the source document and they easily preserve the original formatting. You can open a PDF file, that was created using a Windows PC, on a Mac or a Linux machine and your document will still look the same everywhere. Unlike Word and other popular document formats, the contents of a PDF file cannot be modified easily. You can also prevent other users from printing a physical copy of your PDF document. And the biggest advantage – you can view PDF files on almost any computer (or mobile phone) using the web browser or with the help of free software like Adobe Acrobat Reader.Online PDF Editor for Basic Tasks: PDF-ESCAPE
PDFescape is a free, online PDF reader, editor, form filler, & form designer. PDF-ESCAPE new way to open and edit PDF files online, PDFescape frees users from the typical software requirements for using the de facto document file format. Completely online, PDFescape requires no more than a modern internet browser and an active internet connection.
Features
- Add text, shapes, whiteout & more to PDF files
- Move, delete, & insert PDF pages
- Create links to other PDF pages or web content
- Change PDF information tags
- Encrypt PDF contents using a password
- Add images to PDF files
- Sign PDF documents using your scanned signature
- Add new PDF form fields to any PDF file
- Style PDF form fields (font, size, color, etc)
- Modify existing PDF form fields
- Comment & markup PDF documents
- Add & edit PDF annotations (sticky notes)
- Highlight PDF contents
- Fill out PDF forms using existing form fields or use text tool
- PDF text, checkbox, radio, list, and drop down fields supported
- Essential PDF field calculation and formatting supported
- Basic PDF field styling properties supported
- Quickly tab from field to field
Edit Text in a PDF File Offline: NitroPDF
Nitro Pro 7 gives you everything you need to create, convert, edit, sign, and share 100% industry-standard PDF files. It's simple, straightforward, and intuitive to
use — so you can work more productively, your way.
Features
- Insert and edit text, adjust font, size, color and more.
- Reflow text in paragraphs. Adjust line height, width and alignment of paragraphs.
- Edit images — insert, resize, rotate, crop, flip, replace, arrange, delete, and extract.
- Edit image properties — brightness, contrast, color space, and resolution.
- Edit pages — insert, delete, rotate, crop, extract, and replace.
- Split pages of PDF documents based on page groups, page ranges, and bookmark structure.
- Add/remove headers, footers, and watermarks.
- Add/remove Bates numbering to a collection of files.
- Add and edit bookmarks and links.
- Auto-create bookmarks based on document text formatting and headings.
- Auto-create links based on keywords and page numbers.
- Optimize, shrink, and repair PDF documents.
- Edit document properties including metadata and initial view settings.
NOTE:
The OpenOffice suite is a little bulky (they don’t provide a standalone installer for Draw) but if you have the bandwidth, OpenOffice is the best tool for manipulating PDF documents when you don’t have the budget for Adobe Acrobat.


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