Diffinity

Name: Diffinity
Author: True Human Design

A Windows diff and merge tool for comparing text files, source code, and folders.

By True Human Design

FreeProprietaryWindows

Official websitetruehumandesign.se

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Read the Diffinity documentation

Alternatives

KDiff3KDiff3 is a free, open-source option with three-way merging, while Diffinity is a Windows tool for comparing and merging files.
DiffcheckerDiffchecker adds browser access and text comparison alongside its file and code tools, while Diffinity is a Windows desktop app.
DiffMergeDiffMerge is a free visual diff and merge tool for Windows, macOS, and Linux, while Diffinity is limited to Windows.
Beyond CompareBeyond Compare adds folder synchronization and supports Windows, macOS, and Linux, while Diffinity is limited to Windows.
diff2html-cliA command-line tool that turns unified diffs into formatted HTML.
ecA terminal Git conflict resolver and diff viewer with a three-way comparison.

See all alternatives

About Diffinity

Diffinity compares two text files line by line and highlights differences down to individual characters and words. It includes folder comparison, syntax highlighting, tabs, manual alignment markers, and Windows Explorer integration.

The program can run portably or be installed. It supports Windows 7 through Windows 11 and requires the .NET 8 runtime.

Strengths

Highlights changed lines, words, and characters
Compares folders as well as text files
Supports syntax highlighting and portable use

Limitations

Windows only
Requires the .NET 8 runtime

Details

Pricing: FreeFreeware.
License: Proprietary
Developer: True Human Design
Platforms: Windows
How it runs: Downloadable app
Best suited for: Windows users reviewing and merging text or source code changes
Categories: Git clients, Developer tools
Last verified: October 8, 2026
Added: October 8, 2026
Provenance: Selected from the Scoop Extras
Sources: truehumandesign.se/s_diffinity.php

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