Free Online Archive Converter
Convert between archive formats online for free. Supports ZIP, 7Z, RAR, TAR and TAR.GZ. Fast, secure, browser-based conversion with no software to install.
Max file size 10MB. Sign up for more.
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Checking files and selected output formats.
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About Free Online 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 10 MB. No registration, no watermarks.
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.
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.
Click Download and your converted archive saves directly to your device. All uploaded files are automatically deleted from our servers within 24 hours to protect your privacy.
Why Choose Our Archive Converter
ZIP is supported by every operating system. Convert RAR or 7Z files to ZIP so anyone can open them without special software — no WinRAR or 7-Zip installation required on the recipient's end.
7Z offers up to 40% better compression than ZIP. Convert large file collections to 7Z for smaller file sizes and faster transfers, saving bandwidth and storage space on cloud drives.
TAR and TAR.GZ are the standard on Linux servers. Convert ZIP or 7Z to TAR for deployment scripts, backups and package distribution across Unix-based systems.
Received a RAR file but don't have WinRAR? Convert it to ZIP online and open it natively on Windows, macOS or Linux — no desktop application needed.
Converting between archive formats keeps your directory hierarchy, file names, and permissions intact. Nested folders and subfolders are maintained exactly as they were in the original archive.
Need to email a folder of files? Converting to 7Z can shrink it by 30-40 % compared to ZIP, helping you stay under attachment limits. For recipients who cannot open 7Z, convert back to ZIP for universal access.
Free Online Archive Converter FAQ
Quick answers about supported formats, common conversion workflows, and how to choose the right archive conversion path.
What file formats can I convert with the Archive Converter?
Is the Archive Converter free to use?
How do I convert files using the Archive Converter?
Is it safe to convert files with the Archive Converter?
Can I convert multiple files at once with the Archive Converter?
Guides for Free Online Archive Converter
Read practical guides, format comparisons, and troubleshooting articles related to Free Online Archive Converter.
File Compression Formats Explained — ZIP, RAR, 7Z, GZIP, TAR & More
A complete guide to file compression and archive formats. Compare ZIP, RAR, 7Z, GZIP, TAR, and BZIP2 by compression ratio, speed, and compatibility.
ZIP vs RAR vs 7Z vs TAR — Which Archive Format and When
ZIP vs RAR vs 7Z vs TAR compared. Compression ratio, compatibility, speed. When to use each archive format. Practical guide with real-world examples.
DjVu Won't Open? How to Convert Scanned Books to PDF
DjVu files are common in academic archives but almost nothing opens them natively. Here's how to convert DjVu to PDF and why the format still exists.