Diff Forge

Compare, Diff & Merge Text

Only for Mac

$3.99

Mac

The fast, native text comparison tool for developers. Compare files side-by-side, highlight changes at character level, and merge with precision. No subscriptions. Diff Forge is a powerful, native text comparison and merge tool built for developers, writers, and anyone who works with text. Compare two files or text snippets instantly, view precise differences, and merge changes interactively — all from your iPhone or iPad. COMPARE WITH PRECISION - Side-by-side or unified diff views that adapt to your screen - Character-level intraline highlighting shows exactly what changed within each line - Myers diff algorithm delivers fast, accurate results - Configurable context lines so you see just enough surrounding code - Works with GIT SYNTAX HIGHLIGHTING Full syntax highlighting for 24+ languages including Swift, Python, JavaScript, TypeScript, Java, Kotlin, C#, Go, Rust, Ruby, PHP, HTML, CSS, JSON, YAML, XML, SQL, Shell, C, C++, Markdown, and more. INTERACTIVE MERGE - Select left or right changes per hunk to build your merged output - Bulk actions: take all left or take all right in one tap - Live preview of your merged result as you make selections - Copy or export your merged file when you're done FLEXIBLE OPTIONS - Ignore whitespace differences - Case-insensitive comparison - Trim trailing whitespace - Adjustable context lines (0-10) - Show or hide line numbers - Configurable tab width CUSTOMISE YOUR WORKSPACE - Adjustable font size (8-32pt) - Line spacing control - Custom colours for insertions, deletions, modifications, and gutters - Syntax highlighting toggle BUILT FOR iOS - Native SwiftUI interface — fast, smooth, and responsive - Open files directly or paste text into the editor - Swap sides instantly - Search across your diff results - Supports UTF-8, UTF-16, and multiple text encodings - Files up to 10 MB Diff Forge is a one-time purchase with no subscriptions, no ads, and no account required. Just open it and start comparing.

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The developer, MARITIME MASTER LIMITED, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    • Seller
      • MARITIME MASTER LIMITED
    • Size
      • 1.4 MB
    • Category
      • Developer Tools
    • Compatibility
      Requires macOS 14.6 or later.
      • Mac
        Requires macOS 14.6 or later.
    • Languages
      • English
    • Age Rating
      4+
    • Copyright
      • © Maritime Master Limited
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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