WinMerge is a professional file-compare and merge tool. Open two documents—or entire folders—and it highlights every difference in colour, letting you see changes at a glance and merge them line-by-line. The interface is small, clean and completely ad-free.
Key features
- Compare text files (Windows, Unix, Mac line endings) and folders side-by-side.
- Visual editor with syntax highlighting, line numbers, word-wrap and a dedicated diff pane.
- Detects moved blocks; shows them as relocated instead of deleted/inserted.
- Regex-based filters to include or exclude files/folders during comparison.
- Tree-view for folder results; compares sub-folders recursively.
- Full Windows 7/8/10/11 64-bit support.
- Export differences as HTML or unified-diff; integrates with Explorer for quick launches.
No bundles, no spyware—just fast, accurate diffs and merges whenever you need them.