Difftastic is a diff tool that compares files based on their syntax. It supports over 20 programming languages and when it works, it's fantastic.
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Apps similar to Diffchecker include WinMerge, which is free and open source. Other options are Meld, Beyond Compare, KDiff3 and ForskScope. There's no shortage of Diff Tools like Diffchecker, with more than 50 alternatives for Windows, Mac, Linux, the web and self-hosting.
Difftastic is a diff tool that compares files based on their syntax. It supports over 20 programming languages and when it works, it's fantastic.

WinMerge JP is a fork of the original WinMerge, but after 2018 the two are nearly identical. WinMerge JP's features including 3-way compare has been merged into the original.


SmartSynchronize is a multi-platform file and directory compare tool. It allows you to compare files or perform 3-way-merges, both with the ability to edit the file contents. SmartSynchronize is specialized in comparing directory structures (for example, of software projects)...



ExamDiff Pro is a fast visual tool for comparing and merging files, folders, and documents on Windows. It parses source code with Tree-sitter for syntax highlighting, a class/function scope bar, and structure-aware alignment of versions; compares Word, Excel, PowerPoint, and PDF...




FileMerge lets you compare one file to another or one directory to another and merge the files or directories together.




Diff Match Patch is a high-performance library in multiple languages that manipulates plain text.
VbaDiff is a tool for developers who use Visual Basic for Applications (VBA). It reads Microsoft Office documents and compares the VBA code they contain, displaying the differences in a clear manner to the developer.

Text Compare is a tool to find difference between two different texts. Supports many different languages. Just paste your text and click check.

Intuitive, multi-platform application for two and three-way visual file and folder comparison.

Free file and folder merge tool providing two-way comparison, Visual Studio and Atmel Studio integration, enhanced folder sync, syntax highlighting, batch operations, Intellisense, navigation by change type, command line support, and detailed control over merges.




Guiffy is a diff merge tool and folder compare application and API. SureMerge is the most trustworthy source code 3-way merge tool available. Advanced features include tuneable inline diff highlighting, syntax highlighting and a blend of 3 diff algorithms.



