Code Compare Pro edition of the tool is specially adapted for comparing source code files. It locates changes in code with regard to its structure. Code Compare Pro features 3-way file merge tool that allows resolving version control merge conflicts.

Text Comparison and Merging
Colored blocks for inserted, deleted, and modified text
Detailed highlights of changes within lines
Collapsing of unchanged regions of text (Pro-feature)
Point-and-click merging with a mouse
Editing files on the fly
Merging shortcuts for advanced users

Structural Source Code Comparison
Syntax Highlighting for programming languages
Methods are matched in compared source code files
Similar lines of code are matched even after refactoring
Moved blocks of code are detected if source code is reordered in files
Difference Explorer window displays changes in code structure
Code outlining allows collapsing and expanding regions of code

Visual Studio Integration
Native Visual studio extension allows smooth integration
Visual Studio 2010, 2012, 2013, 2015, and 2017 supported
Choose to use standalone or integrated Code Compare on the fly
Atmel Studio 6.0 and 6.1 supported

Code Review Support
Adding code review comments when comparing source file revisions
Viewing added review comments from a file comparison document
Highlighting of code regions with review comments
Feature works in combination with Review Assistant
Teams benefit more than solo developers

Three-Way Comparison and Automatic Merging
Three comparison panes with horizontal and vertical layouts
Integrates with version control systems as the merging tool for conflicting file revisions
Non-conflicting changes are merged automatically
Merging conflicts are highlighted
One-click conflict resolution with a mouse button

Compares entire hierarchies of folders
Color-coding for added, deleted, and modified files
Filtering options for excluding or including of certain file types
Instant opening of individual file comparison documents
Display options for better comparison result analysis
Batch file copying from pane to pane or to selected folder

Only for V.I.P