Detwinner - Version 1.02.051 Key features of Detwinner:- flexible search options: create file masks to search or ignore, specify ranges of file size or file write date, skip hidden and system files;- specific folders protection: exclude system or backup folders from scanning;- search presets: customize standard presets for audio, video, image files, photos and documents, or create your own ones;- duplicate files preview: see what you're deleting before it's too late;- smart selection: select the oldest duplicate files, files with longest path or name;- regular expressions selection: select duplicate files with name or path that match sophisticated rules;- safe deletion: move duplicate files into recycle bin or backup folder, or delete them permanently.