Free Online ZIP Converter
Convert ZIP archives to 7Z, TAR or TAR.GZ. Free, fast, and secure.
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How to Convert ZIP Archives Online — Free & Instant
Re-package ZIP archives into alternative compressed formats for better compression or platform compatibility.
Drag and drop ZIP files from any source. The converter reads all files and folder structures inside the archive, including password-free ZIP64 and standard DEFLATE-compressed archives.
Select 7Z for up to 40% better compression with LZMA2, RAR for recovery records and split archives, or TAR.GZ for Linux and server deployments. All files and directory structure are preserved during re-packaging.
Download your archive in the new format with all files, folders, and directory hierarchy intact. 7Z output is significantly smaller than the original ZIP. Files are auto-deleted within 24 hours.
Pourquoi convertir les archives ZIP ?
ZIP uses DEFLATE compression which is fast but not the most efficient. Convert ZIP to 7Z with LZMA2 for up to 40% smaller archives, saving significant storage and bandwidth on large file collections.
ZIP n'a pas de récupération d'erreur intégrée. Convertissez en RAR pour ajouter des enregistrements de récupération capables de réparer les archives corrompues. Indispensable pour les archives volumineuses stockées sur des supports peu fiables ou transmises sur des réseaux instables.
Linux servers and DevOps workflows use TAR.GZ as the standard archive format. Convert ZIP to TAR.GZ for deployment packages that preserve Unix file permissions and are native to Linux toolchains.
Need to split a large archive across multiple files for email or removable media? Convert ZIP to multi-part RAR for split archives that can be reassembled reliably on the receiving end.
Standard ZIP encryption (ZipCrypto) is weak and can be cracked easily. Convert to 7Z with AES-256 encryption for strong password protection that meets modern security standards.
Convert ZIP archives directly in your browser — no WinRAR, no 7-Zip, no downloads. Files up to 10 MB are always free, and files are deleted from our servers within 24 hours.
About the ZIP Format
ZIP est un format de fichier d'archive créé par Phil Katz en 1989 avec l'utilitaire PKZIP. Il s'agit du format d'archive le plus universellement pris en charge, s'ouvrant nativement sur Windows, macOS et Linux sans nécessiter de logiciel supplémentaire. ZIP utilise le DEFLATE compression algorithm to reduce file sizes while bundling multiple files and directories into a single archive. It provides good compression for documents and text-based files, though its compression ratio is moderate for media files.
A key advantage of ZIP is that each file inside the archive is compressed independently, allowing individual files to be extracted without decompressing the entire archive. ZIP supports optional AES-256 encryption for password-protected archives. While ZIP does not achieve the highest compression ratios compared to formats like 7Z, its universal compatibility and native OS support make it the default choice for file distribution and sharing across every operating system.