PDF software

This is a list of links to articles on software used to manage Portable Document Format (PDF) documents. The distinction between the various functions is not entirely clear-cut; for example, some viewers allow adding of annotations, signatures, etc. Some software allows redaction, removing content irreversibly for security. Extracting embedded text is a common feature, but other applications perform optical character recognition (OCR) to convert imaged text to machine-readable form, sometimes by using an external OCR module.

These allow users to convert PDF files to other formats.

(For software to convert other formats to PDF, see the various Creators sections below. For software to convert HTML/CSS to PDF, see also the ‘HTML to PDF converters’ entries in Comparison of HTML to PDF converters.)

These allow users to modify an existing PDF file.

These are used by software developers to add and create PDF features.

These create files in their native formats, but then allow users to export them to PDF formats.

These allow users to view (not edit or modify) any existing PDF file.

(For e-book readers, see also Comparison of e-book readers.)

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Wikipedia