Free Online Archive Converter
Repack an archive as ZIP, 7Z, RAR, TAR or TAR.GZ.
Up to 50 MB per file. Sign up free to convert files up to 100 MB.
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Checking files and selected output formats.
About Archive Converter
Archive format affects compression ratio, extraction compatibility, and platform support. ZIP is the most widely used format, it opens natively on Windows, macOS, and Linux without any extra software. 7Z uses the more advanced LZMA2 algorithm, which typically achieves 10-30 % better compression than ZIP, but requires tools like 7-Zip or PeaZip on some operating systems. RAR offers strong compression and built-in error recovery, though extracting it requires WinRAR or a compatible tool. TAR is the traditional Unix archiving format that bundles files without compression on its own. It is often paired with gzip or bzip2 to create .tar.gz or .tar.bz2 archives used in Linux and server environments.
All major archive formats preserve the original folder structure and file names. Built-in integrity checks confirm that extracted files are identical to the originals, nothing is lost or corrupted during conversion. When choosing a format, think about your audience: ZIP is the safest choice for sharing because every modern computer can open it. 7Z is ideal when minimising file size matters most, such as distributing large datasets or backing up projects. TAR remains the native standard for Linux servers and deployment pipelines.
If you already know the conversion you need, jump to a dedicated tool: RAR to ZIP, 7Z to ZIP, or ZIP to TAR. If you are comparing formats or need a general-purpose archive converter, start here.
How to Convert Archives Online
Convert between ZIP, 7Z, RAR and TAR archive formats from your browser. Free for files up to 100 MB. No registration, no watermarks.
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Upload Your Archive
Drop your archive file into the converter or click to browse. Accepts ZIP, 7Z, RAR, TAR and TAR.GZ files. Upload a single archive or batch-convert multiple files at once. Batching needs a paid plan, the free plan converts 1 file at a time.
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Pick a Format
Choose your output: ZIP for universal compatibility, 7Z for maximum compression, or TAR/TAR.GZ for Linux and macOS. Conversion preserves your folder structure and file integrity.
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Download Instantly
Click Download and your converted archive saves directly to your device. All uploaded files are automatically deleted from our servers within 1 hour to protect your privacy.