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Viewing and Navigation
Tools for viewing, zooming, rotating, and moving through the PDF.
Free Professional Enterprise
Zoom Controls
Includes zooming to fit the window, zooming a selected area, custom zoom ratios, and incremental zoom in/out.
Rotate Pages
Rotates individual pages or the entire document (left or right by 90°).
Scroll Wheel Navigation
Uses the scroll wheel for page turning or zooming.
Page Information
Displays the current page‘s dimensions in cm.
Page Navigation
Jumps to specific pages by entering a page number or navigates sequentially (previous/next page).
View Modes
Switches between single/double page and single/continuous scrolling views.
Bookmarks
Includes edit Bookmarks/Sub-Bookmarks, search bookmarks
Display in Grayscale
Display color drawings in grayscale
Shortcut Setting
Customizes keyboard shortcuts.
 
Editing and Markup
Features for editing and marking up PDFs, including text, shapes, and Comment management.
Free Professional Enterprise
Undo/Redo
Reverses or reapplies actions.
Highlight Pen
Highlight content with a pen.
Text Comments
Single-line text Comments
Comment Categories Manager
Manages comment categories with options to delete, modify names, set colors, toggle visibility, set as current, find, show all, or hide all.
Comment Settings
Customizes comment properties like uncategorized comment color, text height (auto, manual, or on-screen), line width, value display (actual, area in m^2), and precision.
Move/Delete/Hide/Show Comments
Move/Delete/Hide/Show individual or all comments.
Pen
Draws freehand markings.
Highlight Tools
Includes rectangle, square (by holding Shift), and polygon highlights.
Erase
Erases PDF content with rectangle.
Line Markup
Draws straight lines, with orthogonal option (horizontal/vertical) by holding Shift.
Multi-Line Text Comment
Multi-line text comments.
Shapes
Draws clouds, arrows, leaders, rectangles, squares (by holding Shift), ellipses, and circles.
Copy Comment
Copies existing comments.
New Comment Category
Add new comment category
Modify Comment Properties
Edits attributes of selected comments.
Insert Image
Adds images to the PDF.
 
Measurement and Analysis
Specialized tools for measuring lengths, areas, angles, and counts, tailored for construction needs.
Free Professional Enterprise
Scale Settings
Configures and views the measurement scale for the current page.
Basic Length Measurement
Measures lengths using linear, aligned
Area Measurement
Measures areas using rectangle, irregular shape
Advanced Length Measurement
Measures lengths using continuous, arc, and perpendicular methods.
Auto Fill
Measures areas with customizable fill diameter and penetration settings.
Angle Measurement
Measures angles via 3 points or 2 lines (intersecting or non-intersecting).
Radius Measurement
Measures radii by defining a circle with 3 points.
Count
Manages object counts by setting colors and shapes, deleting singles, continuing counts, or splitting into individual marks.
 
Tabulate and Reporting
Your PDF database. Features for summarizing measurements & Comments, including data export options.
Free Professional Enterprise
Tabulate
Summarizes measurements and comments, with options to set page ranges, filter, display, locate and export.
Click to Locate
Click to locate the exact position of a comment or measurement.
Add & edit properties
Add & edit properties for a comment
Filter & Search
Filter/Search comments by color/category
Group
Group comments
Display
Display comments length/area/count comments
Export Table to Excel
Export to Excel (new file, new sheet, custom directory/name).
Sequence
Creates numbered sequences with customizable starting number, prefixes, suffixes, border/leader styles, shortcuts (e.g., spacebar to toggle border)
Export Sequence
Export options (new file, new sheet, custom directory/name, open Excel).
 
Document Manipulation
Tools for combining, splitting, extracting, and deleting pages within PDFs.
Free Professional Enterprise
Combine Documents
Merges multiple PDFs with options to add documents (manual/drag), select/all, adjust order, set page ranges, delete/clear list, and customize save location/name/open after merging.
Split Document
Splits a PDF into multiple files, with options to set page ranges, split method, save location, and open directory after splitting.
Extract Pages
Extracts specific pages from a PDF, with options to set page ranges, output path, result name, and open after extraction.
Delete Pages
Deletes specified pages from a PDF, with options to set page ranges.
Insert Pages
Inserts new pages into a PDF.
 
Conversion Tools
Functions for converting PDFs to other formats and vice versa.
Free Professional Enterprise
Image to PDF
Converts images to PDF with options to add/view images, adjust order, sort by name, delete/clear, view count, and customize save location/name/open after conversion.
PDF to CAD
Converts PDFs to CAD formats, with options to add/delete/clear PDFs, convert page-by-page or combine (set page count), and set save location.
PDF to Image
Converts PDFs to images, with options for output range (current/all pages, page range), format (PNG/JPG/TIFF), quality (high/medium/low), color (color/grayscale), and directory.
 
OCR Functions
Tools for extracting text and tables from PDFs.
Free Professional Enterprise
Extract Text
Extracts text from PDFs using OCR, with options to box-select, view, modify, and copy results.
Extract Multiple Tables
Extracts tables from PDFs using OCR, with options to box-select and save to Excel (new file, new sheet, append to first sheet, custom path, open after extraction).
Create Searchable PDF
Converts PDFs to searchable format, with options to set save location and open after conversion.
Auto Create Bookmarks
Automatically generates bookmarks.
 
Search and Comparison
Features for searching content and comparing drawings.
Free Professional Enterprise
Basic Text Search
Searches for text within the PDF and comments, with options to set range (file text, comments), view/mark results, locate, and view next result.
Drawing Comparison
Compares drawings to highlight differences, with options to select files/pages, set reference points, and customize save location/name.
Search Shape
Searches for shapes in the PDF, with options to box-select, reselect, find rotated shapes, view results, locate, check/select all, and generate comments (set color/shape).
Advanced Text Search
Searches for text within the PDF and comments and mark up checked with highlight/counts
Export Searched Results
Text Search - Export searched results to excel
 
Printing
Free Professional Enterprise
Print
Prints PDFs with customization options( selected area, properties, pagination, grayscale, orientation, etc.).
Print Content
Prints documents and markups
 
Support and Commercial Use
Free Professional Enterprise
Language Options
Supports English, Chinese, Japanese etc.
Q&A Community
Access to a community for tutorials and answers.
Mail Support
Provides email-based support.
Basic Basic Premium
Personal Support
Offers one-on-one support.
Basic Premium
Team Account Management
Manages team accounts.
Commercial Use
Allows use in a business context.
Fully