When some of the files in a zipped archive become corrupted, it often makes the entire archive inaccessible. ZIP2Ffix is a free tool that can recover many of the uncorrupted files in a corrupted ZIP or SFX archive. The program attempts to extract good files from a corrupted archive and save them to the same destination with the same file name, only with _ZFX.zip added. It's totally portable and small in size, so you can save it to a USB thumbdrive and run it on any Windows machine from Windows 2000 to Windows 7.
ZIP2Fix has a simple but attractive interface sporting the gray tones and white fonts that are popular for graphics and photo apps these days. It has five buttons: Open, Save Log, Clear, About, and Exit. We browsed to a compressed archive and opened it. ZIP2Fix scanned the archive, listing the files in the main log view. We were gratified to see no corrupted files, but the exercise proved that ZIP2Fix can serve as an ultraquick tool for verifying archives, too. ZIP2Fix also saved the entire archive as a _ZFX.zip folder, which we subsequently extracted with our usual ZIP tool. The program doesn't come with a Help file, but the About page includes a link to a blog that contained some useful information.
Now, we can think of several ways to corrupt files deliberately, but we believe in first doing no harm, so we didn't damage any archives simply to try ZIP2Fix on them. However, we're satisfied that it can extract intact data from a compressed archive, which is what it promises to do. Zipped archives can easily become corrupted, but there's no reason to give up on the data if you haven't run ZIP2Fix first.