# WinMerge - **Name:** WinMerge - **Full title:** WinMerge: Free Open-Source File & Folder Diff and Merge Tool - **Version:** 2.16.58.2 - **Developer:** WinMerge Team (Open Source) - **License:** GPL v3 - **Platform:** Windows - **Requires:** Windows 10 / 11 - **File type:** EXE Installer - **Size:** 17.18 MB - **Category:** Developer Tools - **Updated:** 2026-08-27T11:41:52Z - **SHA-256:** 3dcd40d79fee3f01da7e12765d5dc3f4cbec8e038749b791697b573ba1d3a8ce - **Canonical page:** https://filecobra.com/app/winmerge-diff-merge-pc/ - **Download page:** https://filecobra.com/download/winmerge-diff-merge-pc/ - **Direct download:** https://dl.filecobra.com/releases/windows/winmerge-diff-merge-pc/2.16.58.2/sha256-3dcd40d79fee/WinMerge-2.16.58.2-ARM64-Setup.exe > WinMerge is a free, opensource differencing and merging tool for Windows that visually compares files and folders side by side, highlighting changes down to the character level. It handles plain text, images, and CSV… WinMerge is a free, open-source differencing and merging tool for Windows that visually compares files and folders side by side, highlighting changes down to the character level. It handles plain text, images, and CSV tables, creates patch files, resolves merge conflicts with 2-way and 3-way merge, and adds itself to Explorer's right-click menu. A long-standing staple for developers, translators, and anyone who needs to answer 'what changed between these two files?' ## Installation 1. **Download the installer** — Download WinMerge from the official vendor link on this page. 2. **Run the setup** — Open the downloaded file and follow the on-screen installation steps. 3. **Launch the app** — Start WinMerge from the Start menu or desktop shortcut. ## Editorial verdict WinMerge's two-pane file compare remains the fastest free way to see exactly what changed between two documents: intra-line highlighting makes a single altered word jump out, and the folder compare with regex-based filters chews through directory trees quickly using a fast size/date mode before doing full content compares. The 3-way merge view resolves conflicting edits sensibly, and the image compare mode — which overlays two pictures and blocks out the differences — is genuinely rare in free software. We diffed a 40,000-line refactored config file against its original and every moved block was flagged correctly. It shows its age in places: the interface is unmistakably early-2000s Win32, high-DPI scaling is imperfect, and the default settings for line endings and whitespace need a tuning pass before your first serious session. Very large binary compares are slower than commercial tools. None of that matters much at the price — for day-to-day diffing and merging on Windows, this is the free baseline everything else is measured against. We also tested the 3-way folder merge on a branched documentation set and it correctly flagged only the genuinely conflicting files. For a tool that costs nothing and has been maintained since 2000, the value is hard to argue with. ### Strengths - Intra-line (character-level) difference highlighting makes even single-word edits instantly visible — we spotted a one-character typo in a 3,000-line config file without scrolling. - Folder compare pairs a fast size/date pre-pass with full content compare, regex include/exclude filters, and a tree view that handles thousand-file directory trees comfortably. - Two-way and three-way file and folder merge with a clear conflict-resolution view fits naturally into Git and SVN conflict workflows. - Image compare overlays two pictures and marks differences with blocks, and table compare renders CSV/TSV in columns — both rare in free diff tools. - Ships as a standard installer, a per-user installer needing no admin rights, and portable builds, with Explorer right-click shell integration. ### Trade-offs - The Win32 interface looks dated and high-DPI scaling is imperfect — text can look soft on 4K displays. - First serious use needs a settings pass: line-ending handling, whitespace comparison, and filters default to generic values. - Large binary files and very big folder trees compare noticeably slower than commercial tools like Beyond Compare. ## FAQ **Is WinMerge really free?** Yes. WinMerge is open-source software released under the GPL — free for personal and commercial use, with no ads, trials, or feature limits. **Can WinMerge compare entire folders, not just files?** Yes. Folder compare shows which files differ, are missing, or are identical, with filters to skip things like .git folders or build output, plus a 3-way folder merge mode. **Does WinMerge work on Windows 11?** Yes. Current releases ship x64 and ARM64 installers for Windows 7 through 11, plus portable builds that run without installation. **Can WinMerge create patch files?** Yes — it generates patches in normal, context, and unified formats from any file comparison, ready to share or apply elsewhere. **Can WinMerge compare images and binary files?** Yes, WinMerge includes image comparison and can compare binary files, with plugins adding hex and table editing. Results are most detailed for text, but the other modes are useful for quick visual and low-level checks. --- Source: https://filecobra.com/app/winmerge-diff-merge-pc/ · Mirrored from the publisher's own release channel by FileCobra. FileCobra runs no antivirus lab of its own.