TAR.LZMA (TLZMA) to ARJ Converter
Convert your tar.lzma files to arj online & free
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How to convert TAR.LZMA to ARJ
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About formats
TAR.LZMA is a compound archive format combining TAR archiving with the LZMA (Lempel-Ziv-Markov chain Algorithm) compression method developed by Igor Pavlov for the 7-Zip project around 1998. The TAR layer concatenates files with Unix metadata into a single stream, and the LZMA algorithm compresses it using a sophisticated combination of LZ77 dictionary matching with large dictionaries (up to 4 GB), Markov chain-based probability modeling, and range coding. LZMA was the predecessor to the LZMA2 algorithm used in XZ and 7Z formats. Compression ratios significantly exceed gzip and are comparable to bzip2 while offering substantially faster decompression. One advantage is the high compression ratio with fast extraction — LZMA decompresses at speeds close to gzip while achieving compression densities near bzip2 or better, making it efficient for distribution archives that are compressed once and extracted many times. The format is supported by tar's --lzma flag and by 7-Zip across all platforms. While TAR.LZMA has been largely succeeded by TAR.XZ (which uses LZMA2 in a more robust container with integrity checks), existing TAR.LZMA archives remain encountered in software distributions and backup systems that adopted the format before XZ became widely available.
ARJ (Archived by Robert Jung) is a compressed archive format created by Robert K. Jung in 1991 for MS-DOS, which became one of the most popular archiving tools during the early 1990s. The format uses a proprietary compression algorithm based on LZ77 sliding window techniques combined with Huffman coding, offering competitive compression ratios that rivaled or exceeded other DOS-era archivers. ARJ archives support multi-volume spanning across floppy disks, a critical feature in an era when distributing software often meant shipping multiple 1.44 MB diskettes. The format also provides password protection, file attribute and timestamp preservation, archive integrity verification through CRC-32 checksums, and the ability to create self-extracting executables. ARJ saw widespread adoption on bulletin board systems and in corporate environments during the DOS and early Windows period, valued for its balance of compression ratio, speed, and feature set. One advantage was excellent multi-volume support — ARJ handled spanning across floppy disks more reliably than many competitors, making it a preferred choice for software distribution via physical media. The self-extracting archive capability provided another practical strength, enabling recipients to unpack files without needing the ARJ utility installed. While ARJ's usage declined sharply with the rise of ZIP, RAR, and 7Z as internet-based distribution replaced floppy disks, the format remains recognized by modern archivers like 7-Zip for extracting legacy archives.