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Add to SafariWhen comparing Beyond Compare vs WinMerge, the Slant community recommends Beyond Compare for most people. In the question“What are the best folder/file compare/diff tools for either OSX, Linux or Windows?” Beyond Compare is ranked 2nd while WinMerge is ranked 6th. The most important reason people chose Beyond Compare is:
Beyond Compare can be used to compare both files and folders. File-Filters possible.
Specs
Question Ranking
Pros
Pro Supports comparing folders
Beyond Compare can be used to compare both files and folders. File-Filters possible.
Pro Supports 3 way merge
Good overview. Clear display of changed lines (background color) and changed characters (foreground color).
Pro Supports editing files directly
Pro Has rules for adding ignore-masks and replacement rules
So parts you don't want to see in your comparision can be hidden with ignore masks. Parts that are okay to be changed can be set with change-lists so beyond compare knows what's the replacement value and skips displaying this. So you can focus on the for you important changes. For example with the ignore mask I was able to compare two logs with different timestamps but nearly same content. (beginning with timestams the first x characters adding to ignore)
Pro Synchronize folders
Can be used to synchronize folders. Including wildcards.
Pro Works well with large files
Pro Can be used to compare image files
This is a useful feature for game developers using Git.
Pro Opens popular archive formats as directories
Compare archive to directory or to another archive, update ZIP archives by copying files from other side or by editing them directly in compare view.
Pro Can compare remote directories
Beyond Compare can compare directories through FTP, SFTP. Also it can compare directories hosted on Dropbox or Amazon S3.
Pro One license covers all major OSs (Linux/Windows/Mac)
Pro Customer Service is awesome and easy to work with
Pro Has Registry compare
You can compare Registry vs Registry or Registry vs .REG file, both local and remote. You can copy values and keys between sides or edit them.
Pro Has file conversion/preprocessing feature
You can run a script or executable based on file extension before showing a file. Great for beautifying XML, extracting text from MS Office documents, running dis-asm etc.
Pro File edition
You can quickly copy changed lines (or files in folder comparison) in both directions with keyboard shortcuts. You can edit the files as well, with syntax highlighting of some languages.
Pro Compare folders and files
Can show what files has been changed in a folder, allows comparing files in tabs.
Pro In line comparison
Can show differences within a line.
Pro Free & Open source
Winmerge is a free and open source tool.
Pro Good shell integration
Select two files and compare them. Alternatively, select one file, navigate elsewhere, select the other file to compare.
Also supports drag'n'drop of files / folders from Explorer.
History of past comparisons.
Pro Lightweight, quick startup
Binary is less than 3 MB, so it starts quickly
Pro Filters
Can filter out files for folder comparison, lines for file comparisons, with regular expressions.
Options also allow to ignore whitespace differences, white lines, case change, line-ending changes, etc.
Pro Good navigation
Keyboard shortcuts (and toolbar buttons) to navigate to next (previous) difference, side panel shows a map of the files with changed lines and allows to jump to a given place.
Pro Good detection of moved lines
Detects when a block of lines has been moved in the file and shows the relation.
Cons
Con No dark mode
Lack dark mode.
Con No touch support
This is important for scrolling
Con Paid proprietary software
Beyond Compare is not free. It offers different license options depending on the number of members in a team and depending on the software version.
Con Windows only
It's only available for Windows. No Mac or Linux versions available. It is possible to run in Linux via WINE, although a bit unstable.
Con Development is spotty
The latest version (2.16.0) was released in November 2018. Before that the last official release was made in 2013. The 2.16.0 is actually one of the two forks (Winmerge-v2-jp) that were kept maintained throughout the years, it just got named as the official release.
The other fork, WinMerge2011 is still being actively developed too. It's on par with the historical version, and has additional features such as showing only differences and a 64-bit version.
An 'official' list of forks is maintained here.
Con No 3-way merge
Cannot merge 3 files, can do only comparisons by pairs.
Makes it unsuitable for merging operations, still useful to compare two versions in the history.
