PDF Assist


Fully featured PDF manipulation tool

  • Redaction – Secure redaction of content from PDF files, including automatic marking of common areas such as NI Numbers, UTR tax references, phone numbers and dates. Selected content is completely removed not just masked or hidden with a black rectangle unlike some other products!
  • Annotation – Highlight, underline, strikethrough, free hand drawing, shapes (line, rectangle, ellipse etc), stamps and sticky notes
  • Merge / Split – Split existing PDF every x pages. Merge multiple PDF files into one PDF file
  • Mark – Add custom or pre-defined watermark to all pages
  • Convert – Convert Word, Excel, PowerPoint, RTF, Image, TIFF to PDF. Convert PDF to image. Extract all text from PDF. Perform OCR on scanned PDF or image to convert it into editable text
  • Protect – Encrypt PDF files and decide whether to allow printing, modification or extraction of text. Unprotect existing PDF files
  • Portfolio – Create a PDF Portfolio containing multiple file formats including Images, Word, Excel and Text files – all of which remain in original file format and appear as tiles down side of PDF document
  • Tools – Get document information. Check files for corruption and fix where possible. Compress existing PDF files by optimizing images, fonts, page content and removing metadata information
  • Touch / stylus support
  • Settings allow you to choose whether PDF Assist starts in redaction mode or annotation mode, and also allows you to enable/disable automatic marking for redaction and to choose which areas are marked automatically
  • All documents created and modified by the tool will have author information added which will consist of the name of the currently logged on user, which is useful for auditing purposes
  • Thumbnail views
  • Rotate, rearrange and delete pages
  • Form filling
Product Trial:

Click the button below to download from this website

- OR -

All features are fully functional in trial mode with the following limitations:

• All saved files will include a trial version watermark
• Redacted content will display trial version overlay
• Printing is disabled


£20 per user/computer
Discounts are available for multiple licenses - please contact me for further details
Email support and minor updates are included in price

Version History:
12/12/19 v1.6.2 Initial public release
19/12/19 v1.6.3 Miscellaneous improvements to licensing system
04/02/20 v1.6.4 Added option to set default font size and colour for annotations
Miscellaneous bug fixes
22/04/20 v1.6.5 Added ability to convert PDF to a multi-page TIFF file
Now shows currently open document name in window title and when minimized
Various miscellaneous fixes and performance improvements
28/05/20 v1.6.6 Miscellaneous bug fixes
Improvements in handling of existing annotations created using other PDF software
30/06/20 v1.6.7 Various bug fixes
Improved handling of corrupt and password protected PDF files
20/07/20 v1.6.8 Bug fix for annotation issue with some existing documents
08/09/20 v1.7 New "First Run Wizard" to guide you in choosing default mode e.g. Redact or Annotate
Improvements made to the storing and loading of user settings so they are maintained after installing updates
New settings added for default zoom mode
Extensive code refactoring to improve performance and error handling
Dependencies updated to latest versions
User Guide updated with new features and usage tips
Now runs as 64-bit on all supported 64-bit OS to improve performance and memory handling
26/10/20 v1.7.1 Improvements made to Word, Excel and PowerPoint to PDF conversion
05/02/21 v1.8 Update handling improved
New improved error reporting and handling implemented
Further improvements to Word to PDF conversion
You can now browse for and add custom stamps to a PDF
All underlying components updated to latest versions
User Guide updated
17/03/21 v1.8.1 Close button added to toolbar for Annotate and Redact
Fixes for PDF Merge when encountering a corrupt document
Various other code improvements to fix recent errors / issues found
25/05/21 v1.8.2 Ink eraser tool added to easily erase unwanted parts of free hand drawings / annotations
Word to PDF conversion enhanced - now handles custom shapes
Numerous internal updates and bug fixes
All underlying components updated to latest versions
01/07/21 v1.8.3 Improvements to Word / PowerPoint to PDF conversion for styles and multicolumn layouts
Cloud shape annotation added
27/08/21 v1.8.4 Fully functional trial version released - adds watermarks to all output
Various code improvements and bug fixes
04/10/21 v1.8.5 Core components updated
Annotations can now be locked to prevent modification
Performance improvements at higher zoom percentages
Word to PDF conversion now preserves all comments
06/04/22 v1.8.6 Fixed issue with Merge/Split detection of corrupt documents
Core components updated
Performance improvements - page renders 70% faster - search 90% faster
Fix PDF now resolves more complex document corruption issues