TAR vs WAR
Comparaison détaillée entre TAR Archive et Web Application Archive — taille de fichier, qualité, compatibilité et quel format choisir selon votre flux de travail.
TAR Archive
Archives & CompressedTAR is a Unix archive format that bundles files together without compression. It is commonly combined with gzip or bzip2 for compressed archives and is the standard for Linux software distribution.
À propos des fichiers TARWeb Application Archive
Archives & CompressedWAR (Web Application Archive) is a JAR file used to distribute Java web applications.
À propos des fichiers WARComparaison des points forts
TAR Points forts
- Streamable — you can tar files straight to a network pipe, no seek needed.
- Preserves Unix permissions, ownership, symbolic links, and timestamps.
- Universally supported on Unix-like systems.
- Simple format — the GNU tar source has been stable for decades.
- No compression overhead — pair with gzip/xz/zstd as needed.
WAR Points forts
- Standard Java EE deployment unit since 1999.
- ZIP-based — introspectable with any unzip tool.
- Auto-deployment in Tomcat, Jetty, GlassFish, and every Java servlet container.
- Well-defined web.xml deployment descriptor.
- Compatible with any JVM.
Limites
TAR Limites
- No built-in compression — plain .tar files are the same size as their contents.
- No random access — reading one file requires scanning from the start.
- Windows tooling is second-class — PowerShell only added native tar in 2018.
- Multiple incompatible header variants (v7, ustar, POSIX, GNU) over the years.
WAR Limites
- Requires a servlet container runtime — heavier than a self-contained fat-JAR.
- Spring Boot fat-JARs reduce WAR's relevance in new projects.
- Not containerized — Docker-era deployment prefers JAR + embedded server.
- File sizes balloon with dependency libraries in /WEB-INF/lib/.
Spécifications techniques
| Spécification | TAR | WAR |
|---|---|---|
| MIME type | application/x-tar | application/java-archive |
| Extension | .tar | .war |
| Block size | 512 bytes (traditional) | — |
| Header variants | v7, ustar, POSIX.1-2001 (pax), GNU | — |
| Max filename length | 100 bytes (v7); unlimited (pax extended headers) | — |
| Container | — | ZIP (JAR format) |
| Required descriptor | — | WEB-INF/web.xml |
| Runtime | — | Servlet container (Tomcat, Jetty, GlassFish, etc.) |
Tailles de fichier typiques
TAR
- 1 MB of source files (uncompressed .tar) ~1 MB
- Same files as .tar.gz 150-400 KB
- Linux kernel source (.tar.xz) ~120 MB
WAR
- Simple Servlet app 500 KB - 5 MB
- Typical Spring MVC app with libs 20-100 MB
- Large enterprise WAR 200-800 MB
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Questions fréquentes
TAR (TAR Archive) 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. TAR sits in the archives & compressed family and has specific strengths around compression ratio, speed, or platform support.
TAR (TAR Archive) 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. TAR 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 TAR files. For command-line extraction, 7z, unar, or the format-specific tool handles TAR cleanly. If your extractor does not recognise TAR, 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 TAR files. para command-line extraction, 7z, unar, ou the formato-specific tool handles TAR cleanly. If your extractor does not recognise TAR, converter to ZIP first — ZIP opens on every operating system sem extra software.
Upload the TAR 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. TAR may win on compression ratio, password support, or OS integration for specific workflows; ZIP wins on raw compatibility.