Online WinMerge Alternatives

WinMerge is not available as a web app but there are plenty of alternatives that runs in the browser with similar functionality. The best Online alternative is Diffchecker. It's not free, so if you're looking for a free alternative, you could try SemanticDiff or mergely. If that doesn't suit you, our users have ranked more than 50 alternatives to WinMerge and 12 are available as a web app so hopefully you can find a suitable replacement. Other interesting Online alternatives to WinMerge are Diff Text, diffcheck.net, Text compare! and WebUtils Diff.

filter to find the best alternatives

WinMerge alternatives are mainly Diff Tools, but if you're looking for File Comparison Tools or Merge File Tools you can filter on that. Other popular filters include Linux, Mac, Mac + Free and Mac + Open Source. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to WinMerge.
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Alternatives list

  1. Diffchecker icon
     15 likes

    Diffchecker Pro enables you to compare various types of content, on your desktop or directly in the browser.

    74 Diffchecker alternatives

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
     
  2. SemanticDiff icon
     6 likes

    SemanticDiff is a programming language aware diff for Visual Studio Code and GitHub. It helps software developers understand code changes faster by hiding irrelevant changes, detecting moved code, and highlighting refactorings.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
     
  3. mergely icon
     15 likes

    Merge is an online merge and diff tool that allows you to share and save your documents.

    32 mergely alternatives

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Online
     
  4. Diff Text icon
     Like

    Instantly find the differences between two blocks of text. Works with plain text, code, json, yaml, html, css, markdown, and more.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
     
  5. Quickly compare 2 Excel spreadsheets, track changes, and spot differences without any programming skills needed. Perfect for office tasks. Completely free!.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
     
  6. Text compare! icon
     5 likes

    Text compare! is a online diff tool that allows you to easily spot the differences between to texts. Just paste two texts and hit the compare button. The two texts are shown side by side, with differences highlighted.

    52 Text compare! alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
     
  7. Utilities for web, compare text online with Syntax highlight and support for languages like Java, Javascript, Typescript, C#, HTML and CSS

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
     
  8. Diff Guru icon
     1 like

    DiffGuru is a free online tool for developers and writers to instantly compare two blocks of text or files, highlight additions and deletions, and merge changes - no signup required, privacy-first design.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
     
  9. Online Text compare is a browser based data compare tool that highlights the differences between two versions.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
     
  10. Toolaska icon
     1 like

    Toolaska offers free online developer tools – JSON formatter, regex tester, URL encoder, hash generator, SCSS to CSS converter, timestamp converter, and more. Fast, secure, and privacy-focused.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
     
  11. Twofold icon
     Like

    Modern online file and folder diff tool that runs entirely in your browser — no uploads.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
     
  12. Pretty Diff is a language aware code comparison tool, beautifier, minifier, and parser for a variety of web oriented languages.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Online
    • Typescript
    • npm
    • JavaScript
    • Self-Hosted
     
12 of 12 WinMerge alternatives