AptDiff

AptDiff is an advanced and rather intuitive software application that gives you the possibility to compare two files in text or binary form to find out whether they are identical or not.

Installing this tool is a fast and easy job that doesn't require special attention. Once it's over, you are welcomed by a fullscreen window with a neatly organized look, where you can begin by indicating the two files you want to compare, together with the comparison mode (text or binary).

Their contents are loaded in two side-by-side panes embedded in the main app window, and all differences are highlighted. Modifications can be made to file content, provided that you specify an external editor.

It's possible to make a text selection and export it to file for safekeeping, jump to a particular offset in the hexadecimal code, re-compare the files after the changes, swap them in the panes, undo and redo actions, easily jump to the next occurrence of identical text, as well as ask AptDiff to ignore spaces, leading and trailing spaces, cases, and blank lines.

AptDiff offer support for multiple languages and customizable keyboard shortcuts. You can integrate it into the Windows Explorer context menu to quickly compare two selected files, enable file backups, save the files before re-comparing them, personalize the UI font and colors, and so on.

We haven't encountered any unpleasant surprises in our tests as far as stability goes, thanks to the fact that AptDiff didn't hang, crash or display error messages. Its impact on computer performance was minimal, since it used low CPU and RAM. To sum it up, AptDiff provides you with a fast and efficient method for comparing files, and it can be easily figured out by anyone.