
Diffchecker
8.2#1 in file comparison softwareFrom $15 a monthFree planiOSWebAPIExtension
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Diffchecker suits developers, writers, editors, and data or operations teams who need to compare text or other file types. Its desktop app also suits users who need offline comparisons.
icdiff suits Linux and macOS users who want to inspect two files side by side in a terminal. It may help version-control users spot small changes within existing lines.