Beyond Compare
Compare files and folders using simple, powerful commands that focus on the differences you're interested in and ignore those you're not. Merge changes, synchronize files, and generate reports. Directly access FTP sites, media devices, WebDAV resources, svn repositories and cloud storage. All from your Windows, macOS or Linux workstation. Beyond Compare includes built-in comparison viewers for a variety of data types. In addition to text, compare tables, images, binary files, registry hives, and much more. Beyond Compare allows you to quickly and easily compare your files and folders. By using simple, powerful commands you can focus on the differences you're interested in and ignore those you're not. You can then merge the changes, synchronize your files, and generate reports for your records. You can compare entire drives and folders at high speed, checking just sizes and modified times.
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WinMerge
What is WinMerge? WinMerge is an Open Source differencing and merging tool for Windows. WinMerge can compare both folders and files, presenting differences in a visual text format that is easy to understand and handle. WinMerge is highly useful for determining what has changed between project versions, and then merging changes between versions. WinMerge can be used as an external differencing/merging tool or as a standalone application. In addition, WinMerge has many helpful supporting features that make comparing, synchronising, and merging as easy and useful as possible: General Supports Microsoft Windows XP or newer. Handles Windows, Unix and Mac text file formats. Unicode support. Tabbed interface. File Compare 3-way File Comparison New! Visual differencing and merging of text files. Flexible editor with syntax highlighting, line numbers and word-wrap. Highlights differences inside lines.
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UltraCompare
UltraCompare rapidly compares 2 or 3 files from multiple locations at once, and merge conflicts and differences visually. Quickly launch a compare by drag-and-drop into the application, from the File Explorer context menu, or even via the command line. Whether you prefer a darker look, or a more classic white-based skin, UltraCompare's interface is completely themeable, and comes with several themes hand crafted at IDM. If you design a theme you'd like to share with the rest of our users, send us a pull request on GitHub, or simply email it to our support team. UltraCompare's powerful compare functions work just as well over FTP, and even network shares and connected drives. Simply click to open from FTP, choose your connection or create a new one to save for future use. It's perfect for quickly checking local files and folders against what's already on the server. UltraCompare's special document handling makes it easy to compare Word and PDF files.
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P4Merge
P4Merge tracks and compares the effects of past and pending work for branches and individual files. You can even use it to resolve conflicts (especially with Git). See the differences between file versions and easily resolve conflicts with P4Merge. Need to know what changed during a certain time frame? Folder Diff reveals history between any two points in time. Overlay two images to easily isolate pixel-level changes. Highlight and edit text file differences. Choose to include or ignore line endings/white spaces. Recognize line-ending conventions for Windows, Mac, and Unix. Display line numbers when comparing and merging files. See what code needs to be resolved in pending merges. Exclude files that are modified, unique, or unchanged. Organize modified assets in familiar file/folder hierarchy. Compare JPEG, GIF, TIFF, BMP, and other file formats. Overlap images or display side-by-side to view changes.
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