PDF Assist
Description:
Fully featured PDF manipulation tool.

Basic Features:
The following features are all included in the base price purchase
- 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, and squiggly text markup.
Free hand drawing.
Shapes - line, rectangle, circle, arrow, polygon, cloud, and text callout.
Stamps.
Sticky notes.
Text and ink signatures. - 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 PDF to Excel, Word, HTML or Image.
Convert Word, Excel, PowerPoint, RTF, Image, TIFF to PDF.
Extract all text from PDF.
Perform OCR on scanned PDF or image to convert it into editable text. - Protect:
Encrypt and password protect PDF file for viewing.
Encrypt and protect 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. - Additional Features:
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.
Install updates automatically without user requiring admin rights or UAC elevation - perfect for enterprise environments - or completely disable automatic updating per machine if being used in a virtualized infrastructure such as Citrix, Hive or Remote Desktop.
Premium Features:
The following features are available as part of the annual premium subscription
- Accurately convert PDF to Excel with automatic recognition of tabular content.
- Convert PDF to Word ensuring the document retains the flow and layout of your original file.
- Automatically convert scanned and/or rotated documents into editable content.
- Convert PDF to PowerPoint retaining the original design and layout.
* Features subject to change
Screenshots:
User Guide:
PDFSystem Requirements:
.NET Framework 4.8+
Windows 10/11
350Mb Free Disk Space
Product Trial:
Click the button below to download from this website
Download- 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
• Conversion from PDF to Excel, Word or HTML is disabled (email for examples)
• Premium features disabled (email for examples)
• Printing is disabled
Purchase:
Base Price:
£30 per user/computer - perpetual license
(includes 1 months free trial of Premium Subscription)

Premium Subscription:
£10 per user/computer - annual subscription

Discounts are available for multiple computers / enterprise licenses - please contact me for further details
Email support and product updates are included in price
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 |
08/07/22 | v1.8.7 | Added ability to choose default PDF viewer to settings |
19/08/22 | v2.0.3 | Conversion of PDF to Excel (.XLSX), Word (.DOCX) and HTML Insert text signature Insert blank page Save/Load default annotation settings New squiggly text markup - useful for highlighting errors in text New callout text box annotation - with arrow to point to specific area in a document Word to PDF conversion enhancements Core components updated Internal code restructuring and bug fixes |
17/09/22 | v2.0.4 | Bug fixes and error handling improvements |
12/10/22 | v2.0.6 | Word to PDF conversion enhanced - Wavy and double underline styles now supported PowerPoint to PDF conversion enhanced – accessibility structure tags now preserved during conversion Improved form field navigation using Tab key for effortless form completion Core components updated Registry value added to enable the disabling of updates per computer rather than per user |
18/11/22 | v2.0.7 | Critical bug fix relating to automatic redaction marking functionality Core components updated |
09/01/23 | v2.0.8 | Core components updated |
26/05/23 | v2.1.0 | Bug bash - all reported bugs and more fixed Core components updated Major code restructuring to improve performance New tick and cross stamps added Improved easier to use toolbar design Improvements to insert text signature Improvements to text box handling including moving and resizing Updated OCR engine improves accuracy Paste Text / Images from clipboard into PDF New default zoom mode option - Actual Size Improvements to PDF to Word / Excel conversion Updated user guide Improved error handling and reporting system implemented |
16/06/23 | v2.1.2 | Bug fixes Internal fix for future update handling due to recent code signing certificate policy changes |
07/07/23 | v2.1.3 | PDF rendering engine updated Cut, copy and paste annotations - text box, drawing tools (shapes), free form (ink), stamps, and sticky notes PowerPoint to PDF conversion enhancements Word to PDF conversion enhancements Bug fixes |
07/08/23 | v2.1.4 | Core components updated Performance enhancements Bug fixes and improvements to the Protect section allowing you to now set User, Owner or both passwords |
11/09/23 | v2.2 | New advanced conversion features added available to Premium Subscription customers Miscellaneous bug fixes N.B. App requirements for minimum .NET version changed from v4.7.2 to v4.8 |
30/09/23 | v2.2.1 | Core components updated Annotations can now be shown in Organize Pages view |
16/10/23 | v2.2.2 | Window size, position and state saved and restored between sessions |
06/11/23 | v2.2.3 | Core components updated Various bug fixes |