TAR.BZ (TBZ) to RAR Converter
Convert your tar.bz files to rar online & free
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How to convert TAR.BZ to RAR
Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.
Choose rar or any other format you need as a result (more than 200 formats supported)
Let the file convert and you can download your rar file right afterwards
About formats
TAR.BZ is a compound archive format pairing the TAR archiver with bzip compression. The TAR layer concatenates files into a single stream with full Unix metadata (permissions, ownership, timestamps, symlinks), and the bzip algorithm compresses the resulting stream. The bzip family of compressors uses block-sorting techniques derived from the Burrows-Wheeler transform, which rearranges data to group similar bytes together before applying move-to-front encoding and Huffman compression. This approach typically achieves better compression ratios than gzip/Deflate, particularly on text and source code. TAR.BZ archives are common on Unix and Linux systems for distributing source packages and backups where improved compression over TAR.GZ is desired. One advantage is strong compression on text-heavy data — block-sorting algorithms excel at compressing source code, log files, and structured text, producing meaningfully smaller archives. The two-layer design is another practical strength: the TAR container handles archiving concerns (metadata, directory structure) while the compression layer operates on the full concatenated stream, maximizing cross-file redundancy exploitation. TAR.BZ files can be processed by standard Unix tools and extracted by 7-Zip, WinRAR, and other cross-platform archivers.
RAR (Roshal Archive) is a proprietary compressed archive format created by Russian software engineer Eugene Roshal in March 1993, distributed through the WinRAR archiver that became one of the most widely installed Windows applications worldwide. The format uses a sophisticated compression algorithm that has evolved through several major versions (RAR 1.3, 2.0, 3.0, 5.0), with each revision improving compression ratios and adding features. RAR5, the current version, employs a dictionary-based algorithm with dictionary sizes up to 1 GB and supports optional BLAKE2sp hashing for integrity verification. The format provides solid compression (treating multiple files as a continuous stream), multi-volume archive splitting, recovery records for repairing damaged archives, AES-256 encryption for both content and filenames, and Unicode filename support. One advantage is reliable error recovery — RAR's recovery record feature can reconstruct damaged archive portions, a capability that made it popular for distributing large files across unreliable connections and Usenet posts. Strong compression performance is another key strength: RAR consistently ranks among the top formats for general-purpose compression ratios, particularly on heterogeneous file collections. While the compression algorithm is proprietary and creating RAR archives requires licensed software, the decompression code is freely available, and extraction is supported by virtually every archiving tool across all platforms. RAR remains one of the most common archive formats encountered online.