HtkPDF — PDF Toolbox for macOS

HtkPDF is a native macOS application that brings together a set of advanced tools for working with your PDF documents. Everything happens 100% locally — your files never leave your Mac.

Key features

Tool	Description
Text extraction	Export to plain text, Markdown, HTML or EPUB
Table extraction	Rebuild and export your tables to CSV
Comparison (Text Diff)	Compare two PDFs line by line, highlighting the differences
Protection	Add or remove a password
Metadata cleaner	Remove all invisible data before sharing
Compression	Reduce file size for sending by email
Blank page removal	Automatic detection and removal
Splitting	Split a PDF into several files
Watermarks	Add an image watermark with size and opacity control
Page resizing	Scale to A4, US Letter, etc.
Statistics	Number of pages, words, characters

Privacy

HtkPDF works offline: no server, no intermediate cloud, your documents stay on your Mac. With no exception — the application does not even have permission to open a network connection.

Compatibility

Requirement	Details
System	macOS 26.2 or later
Architecture	Apple Silicon, or one of the Intel Macs macOS 26 still supports

Where to start?

Check out the Getting Started guide to discover the interface and your first tools.

Having an issue? Open a ticket.

Screenshots

3 screenshots — click to enlarge