If you're looking to Download CompareMerge2 on your Chromebook laptop Then read the following guideline.

CompareMerge2 is the professional(*) version of the standard CompareMerge app. It is useful for determining what has changed between versions, and then merging changes between text/binary/zip files. (Number of shown files in a folder-comparison-window is limited; In text merge window number of merge-actions is limited. You could upgrade by IAP to remove this limitation.) (*) Pro functions of the application (only in CompareMerge2): - MERGE BINARY FILES: support merging binary files (in the original version, binary files would be converted to text files for before merging) - COMPARE FILES IN TWO ZIP FILES: compare files/folders content in two archive zip files without extraction - COMPARE Spreadsheet formats (CSV, TSV, XLS, XLSX), Rich text formats (pdf, doc, docx, rtf) - VERTICAL PADDING (NO-WRAP) MODE: in vertical padding "no-wrap" mode, all related blocks are aligned for easier reading - DIFF-ONLY MODE FOR MERGING TEXT: when merging two text files, press CMD-3 (Toggle Difference checkbox) to show only differences for easier comparison - LOCK/UNLOCK: allow users to lock/unlock left or right content to avoid merging mistakes - EDIT PATHS IN MERGING-WINDOW: allow users to edit file/folder paths directly in Folder-merging-window or File-merging-window - SUPPORT SYMBOLIC LINK: allow users to compare path content of "symbolic link files" (In the original version, symbolic link files were compared as destination files) - VIEW/CHANGE FILE-PERMISSION: allow users to view/edit file permission information in Folder-merging-window - CHANGE MODIFIED-DATE: add command to change files' modified-date in Folder-merging-window - MORE ADVANCED EDITING TOOLS: in "Advanced Editing Tools" menu, "remove lines with prefix/suffix" commands were added to let users remove unnecessary text lines (Example: source code comment...) (*) Standard functions of the application (in both CompareMerge2 and CompareMerge): - SUPPORT MULTI-LANGUAGES: English, Deutsch, Français, 日本語, 한국어, Español, Português, Čeština, Dansk, Suomi, Italiano, Nederlands, Norsk, Polski, Русский, Svenska, ไทย, Türkçe, Tiếng Việt, 中文（中国）, 中文（台灣） - COMPARE FOLDERS/FILES: can compare both 2 files or 2 folders - COMPARE TEXT: can compare both 2 files in text format - QUICK COMPARE FOLDERS: allow to quickly compare two folders' files by size or date or both or with full content (slower) - CUSTOM THEME COLOR: User can select predefined theme color or customize edit text color, background color.... - INLINE EDIT (Edit/Merge at the same time) : Compare and Merge 2 text files: allow you to edit/compare/merge 2 text files in the same windows - GENERATE PATCH: the application also contains patch generating capabilities. - FILE FILTERS: Include or exclude files that match regular expressions. Other than that, after compare 2 folders, you could filter display item base on file name. - INCLUDE SUBFOLDERS: This option lets you control the depth of a folder comparison. Enabling it compares all folder levels - IGNORE End-Line code: Allow to ignore difference in End Line Code (LF for Mac・Unix file, CR-LF for Windows file, or CR for Mac classic file) in Edit mode. Note: when compare folders, EOL was not ignored. - EXPORT / CREATE REPORT: Allow to export compare/merge result to clipboard or to files (support formats: CSV, Text, HTML) OTHER FUNCTIONS: - Syntax highlight - Theme color - Export to zip file - User can compare hidden files, folder (example: .git folder) - Allow to merge binary-plist file - In edit mode, a small view is show to the exact text difference - Add [Two pane views] mode in folders merge window - Support drag/drop folders to/from Finder - Allow to filter out sub folders base on name - Support Wrap Text function - Support multi-theme color - Allow quick compare folders base on Size or Date only - Support read/save encoding setting controls to Merge windows