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Compressed file formats often feature both compression (storing the data in a small space) and archiving (storing multiple files and metadata in a single file). One can combine these in two natural ways: compress the individual files, and then archive into a single file; archive into a single data block, and then compress.
7-Zip is a free and open-source file archiver, a utility used to place groups of files within compressed containers known as "archives". It is developed by Igor Pavlov and was first released in 1999. [2] 7-Zip has its own archive format called 7z introduced in 2001, [12] but can read and write several others.
Free Download Manager is proprietary software, but was free and open-source software between versions 2.5 [6] and 3.9.7. Starting with version 3.0.852 (15 April 2010), the source code was made available in the project's Subversion repository instead of being included with the binary package.
Extracting one file requires decompressing an entire archive, which can be time- and space-consuming. Modifying one means the file needs to be put back into archive and the archive recompressed again. This operation requires additional time and disk space. The archive becomes damage-prone. If the area holding shared data for several files is ...
Split PDF files in a number of ways: After every page, even pages or odd pages; After a given set of page numbers; Every n pages; By bookmark level; By size, where the generated files will roughly have the specified size; Rotate PDF files where multiple files can be rotated, either every page or a selected set of pages (i.e. Mb).
File archivers ZIP TAR GZ BZ2 7z XZ RAR LHA/LZH ACE SIT SITX ARJ KGB DAR ARC CAB ALZ ISO/CD Image ZPAQ Special 7-Zip: Yes Yes Yes [b] Yes [b] Yes Yes [b] No No No No No No No No No No No No No ALZip [c] Yes Yes Yes Yes No Unknown No No No No No No No No No Yes Yes Unknown No Archive Manager: Yes Yes Yes Yes Yes Yes No [d] Yes Unknown Un ...