File Comparison
For the analysis of supported file formats, please see our File Formats section.
Diverse comparison methods typically include by-line, by-char and (optionally) by-keyword comparison and allow the user to set minimum comparison blocks/ items. Syntax rules are particularly important for the comparison of source code. In most programs, the user can manually select the syntax rules according to the type of compared text. Three-way comparison is typically used in project revision control for comparing two files with their common ancestor.
| Diverse Comp. Methods | Side- by- side Comp. | Custom Colors | Syntax Rules | Linking Lines | 3-way Comp. | Unicode Support | Drag & Drop | |
| Compare Suite ($60) |  |
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| WinMerge (free) |
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| ECMerge Pro 2.0 ($50) |
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| Araxis Merge Professional ($269) | |
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| Diff’n’Merge ($29) | |
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| IsEqual & Sync Folder ($14.5+$24.5) | |
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| CSDiff (free) | |
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| HTMLDiff ($99) | |
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| ExcelDiff ($99) | |
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| ExamDiff Pro (35$) |
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| Visual Comparer & Diff Commander (45$) | |
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| Beyond Compare 2 (30$) | |
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| Compare It! ($29) | |
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Our Editor’s Choice for the optimal file comparison functionality is Araxis Merge Professional.