PowerArchiver has been downloaded by tens of millions of users worldwide. PowerArchiver 2009 offers hundreds of features, yet remains easy to use, small and fast. Novice users will find a familiar interface complete with tutorial and detailed help, while more experienced users can take advantage of full Explorer integration, multiple encryption methods and advanced compression algorithms.

• Support for unlimited file size and unlimited number of files in ZIP archives
• Support for advanced Deflate64 method providing higher compression ratios
• ZIP AES support (both PkZip 5.1 and WZ 9.0 standards supported)
• Fast and strong compression and decompression
• Multiple disk spanning, with support for unlimited span sizes
• Read and write support for ZIP, 7-ZIP, CAB, LHA (LZH), TAR, GZIP, BZIP2, BH, XXE, UUE, yENC, and MIME (Base 64)
• Read and extract support for: RAR, ARJ, ARC, ACE, ZOO plus ISO, BIN, IMG and NRG disc image formats
• Brand new Plug-in System enables new formats and file types to be supported with a small download.
• Full support for ZIP AES encryption, 128-bit/192-bit/256-bit (supports: PKZip 5.1 (full), Secure Zip 8.0 and WinZip 9.0 AE-1 & AE-2)
• PAE support - Encryption of files and archives using 5 different methods: Blowfish (128-bit), DES (64-bit), Triple DES (128-bit), AES 128-bit, and AES 256-bit
• Convert Tool - convert files among formats supported in PowerArchiver. It can convert thousands of files and folders at the same time.
• Encode Tool - encode/decode files in UU, XX, MIME and yENC formats.
• Repair Tool - repair broken ZIP archives with one simple operation.
• Write/Merge Multivolume Tools - split ZIP files into multivolumes, and also merge multivolumes into a single ZIP archive.
• Batch ZIP Tool - batch compress thousands of files into separate archives.
• Multi-Extract Tool - extract thousands of archives at the same time.
• SFX Tool - Create SFX files from ZIP, 7-Zip, CAB and PAE archives via the "Make SFX" feature or with the easy-to-use SFX Wizard.