BZ2 vs LZ4
Perbandingan lengkap antara Bzip2 Compressed dan LZ4 Compressed — ukuran file, kualitas, kompatibilitas, serta format mana yang sebaiknya dipilih untuk alur kerja Anda.
Bzip2 Compressed
Archives & CompressedBzip2 provides higher compression ratios than gzip at the cost of slower speed. It is commonly used for .tar.bz2 archives in Linux distributions where smaller download sizes are preferred.
Tentang file BZ2LZ4 Compressed
Archives & CompressedLZ4 is an extremely fast lossless compression algorithm focused on speed over compression ratio. It can compress at over 500 MB/s per core and decompress at multiple GB/s, making it the standard choice for real-time and in-memory compression.
Tentang file LZ4Perbandingan Keunggulan
BZ2 Keunggulan
- 10-15% smaller than gzip for the same content.
- Block-based — partial recovery possible from corrupted archives.
- Patent-free, open-source reference implementation.
- Stable for 30+ years with no breaking changes.
LZ4 Keunggulan
- Decompression speed — approaches memcpy throughput.
- Very fast compression — can keep up with SSD write speeds.
- Stable format — reference implementation unchanged for years.
- Widely deployed in databases, filesystems, and kernels.
- BSD-licensed library.
Keterbatasan
BZ2 Keterbatasan
- Much slower than gzip — 3-5× the compression time.
- Still slower than xz and zstandard at modern levels.
- Single-threaded in reference; pbzip2 fixes this.
- Mostly obsolete for new work; xz and zstd are preferred.
LZ4 Keterbatasan
- Compression ratio lags gzip by 20-30%.
- Not designed for long-term archival where ratio matters.
- Older than zstd, which beats LZ4 at comparable speed at slightly better ratio.
- Rare as a user-facing format — lives mostly inside databases and filesystems.
Spesifikasi Teknis
| Spesifikasi | BZ2 | LZ4 |
|---|---|---|
| MIME type | application/x-bzip2 | application/x-lz4 |
| Extensions | .bz2, .tbz2, .tb2 | .lz4 |
| Algorithm | Burrows-Wheeler Transform + Huffman coding | LZ77 variant with fast byte-level parsing |
| Block size | 100-900 KB (configurable) | — |
| Max block size | 900 KB | — |
| License | — | BSD 2-Clause (library), GPL v2 (CLI) |
| Typical integrations | — | Linux kernel, ZFS, Kafka, RocksDB, Cassandra |
Ukuran File Umum
BZ2
- Text file 20-30% of original
- Source code archive 15-25% of original
- Linux kernel source (.tar.bz2) ~150 MB
LZ4
- Text file 40-60% of original
- Already-compressed data (JPEG, MP4) 99%+ (no gain)
- Database page (typical) 55-70% of original
Siap mengonversi?
Konversi antara BZ2 dan LZ4 secara online, gratis, dan tanpa menginstal apa pun. Unggahan terenkripsi, penghapusan otomatis setelah 60 menit.
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Pertanyaan Umum
BZ2 (Bzip2 Compressed) is an archive format used to bundle multiple files and folders into a single compressed file. The archive preserves the directory structure and typically reduces total size via compression. BZ2 sits in the archives & compressed family and has specific strengths around compression ratio, speed, or platform support.
BZ2 (Bzip2 comprimido) is an archive formato used to bundle multiple arquivos e folders em a single comprimido file. The archive preserves the directory structure e tipicamente reduces total size via compressão. BZ2 sits no archives & comprimido family e has specific strengths around compressão ratio, speed, ou plataforma support.
7-Zip, WinRAR, The Unarchiver (macOS), and the built-in archive utilities on Windows and macOS open most BZ2 files. For command-line extraction, 7z, unar, or the format-specific tool handles BZ2 cleanly. If your extractor does not recognise BZ2, convert to ZIP first — ZIP opens on every operating system without extra software.
7-Zip, WinRAR, The Unarchiver (macOS), e the built-in archive utilities no Windows e macOS abrir most BZ2 files. para command-line extraction, 7z, unar, ou the formato-specific tool handles BZ2 cleanly. If your extractor does not recognise BZ2, converter to ZIP first — ZIP opens on every operating system sem extra software.
Upload the BZ2 to KaijuConverter and pick ZIP, 7Z, TAR.GZ, or RAR as the target. Our pipeline extracts the original archive and re-compresses the contents into the target format. File permissions, timestamps, and directory structure are preserved where both formats support them.
Depends on the goal. ZIP is the universal baseline — every OS extracts it out of the box. Formats like 7Z or TAR.GZ compress better but require specific tools. BZ2 may win on compression ratio, password support, or OS integration for specific workflows; ZIP wins on raw compatibility.