WinRAR ImproveIt improves the compression ability of WinRAR and other popular archivers. The program is most effective when it runs on RAR archives with PDF, ZIP, JAR, SWF, or PNG files. Try WinRAR ImproveIt on your RAR archives, this gives more gain than just unRARing and reRARing the files with maximum compression to a solid archive. Version 2 advanced archive view and extract features, layout saving feature, and various GUI enhancements.
Requirements: Windows 95/98/Me/NT/2000/XP/2003 Server/Vista
Limitations: 30-day trial Download Now (1.41MB)