This is a power tool. I recently needed to edit metadata on an MP4 file. All the other tools would corrupt the data so that the app reading it did not load it a

This is a power tool. I recently needed to edit metadata on an MP4 file. All the other tools would corrupt the data so that the app reading it did not load it anymore. But ExifTool handled this format correctly, and I was amazed by the wealth of other options.