Top 4 Open Source PDF Editors for Mac (Sierra Included)

Formulate Pro for Mac is one of the best open source PDF editors for Mac that are made for Mac Pcs. It has all functionalities which is stable and solid. It is a professional PDF editing tool with comes with high ability to redact PDF files. This software also provides cloud services for those who wants to have an endless amount of space to store their documents and used for merging and combining the PDF files. They are also used for creating, signing and analyzing PDF forms and protection of PDF files with permissions.

Features:

• This tool will convert PDF to other output formats and vice versa
• You can add, delete and modify texts, improve images, rearrange pages
• It supports OCR technology in multiple languages
• It has Password protected abilities

Pros:

• Along with features it will have wide variety of tools that can be used to create excellent PDF files and presentations.
• This is a tremendous PDF conversion program that can use to convert your PDF files into different file formats
• This software is very easy to use

Cons:

• It does not convert documents to EPUB formats

PDFpenPro is shareware which offers a lot of editing functionality that will customize your PDF files that you want. The features which includes exporting PDF content with correcting types in PDF text, sign PDF files along with handwritten signature and more. Even it is not exactly easy to use pen that this software employs using mouse but still you can use to handle PDFs without any trouble.

Features:

• Export PDF content to Microsoft Word document
• Correct typos in PDF text
• Sign PDF files with handwritten signature
• Make images-based text in PDF files to editable by performing OCR
• Store PDF files in the Cloud
• Create PDF forms

Pros:

• You can use PDFpenPRo that can add real signatures to your PDF documents for increased protection
• It lets you to edit PDF files with using pen
• PDFpenPro comes with OCR technology that allows you to edit scanned PDF files easily without printing

Cons:

• PDFpenPRo does not support pen pads
• When you are using a mouse it become very difficult to write

Skim is a free PDF editor and a note taker made for OS X. It functions similar like Preview. Most of the major features that you need to view PDFs would include adding and editing notes by highlighting important text, making snapshots for easy reference and navigation using table of contents or thumbnails with a visual history.

Features:

• Views PDFs
• It can Add and edit notes
• Highlights important text, includes one-swipe highlight modes
• Skim can makes snapshots for easy reference
• Giving powerful presentations with built-in transitions
• Smart cropping tools

Pros:

• There are lots of options available to annotate
• You can choose more than five colors
• Great for reading and editing PDFs
• Highlight text, navigate with TOCs and more
• Integration with LaRex, PDFSync

Cons:

• Not as advanced as Adobe Acrobat X
• There are some basic features that is not as intuitive as it should be

Preview is the default PDF viewer and editor for Mac and one of the top Open Source PDF Editor Mac. It functions more like PDF viewer that will allow users to annotate PDF files. Mac comes with preview that is acceptable for reading and signing PDF files. It is basically limited PDF editor available for free and there is no download required. Preview is the simple PDF editor for Mac since it allows users to create, merge and spilt PDF files.

Features:

• Transfer web pages and images as PDF format
• By dragging the thumbnails out of the file you can spilt PDF file
• By dragging the thumbnails together you can merge PDF files
• Rotate PDF pages
• Annotate PDF files with a range of tools

Pros:

• Add and Edit hyperlinks in a PDF file
• It can view and edit PDF metadata

Cons:

• No multicolor Highlighting from the tool bar
• Inserting new pages is sometimes difficult