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Free Online 7Z Converter

Convert 7Z archives to ZIP, TAR or TAR.GZ. Free, fast, and secure.

Drop 7Z files here
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Max file size 10MB. Sign up for more.

How to Convert 7Z Archives Online — Free & Instant

Convert 7-Zip archives to formats that extract on any computer without installing 7-Zip.

Upload Your 7Z Archive

Drag and drop 7Z files using LZMA, LZMA2, or other supported compression methods. The converter extracts all contents server-side — no 7-Zip installation required on your machine.

Choose a Universal Format

Select ZIP for extraction on every operating system without additional software, RAR for recovery record support, or TAR.GZ for Unix and Linux environments. All files and folder structure are preserved.

Download Compatible Archive

Download your archive ready to extract on any computer. ZIP output is slightly larger than 7Z but opens natively on Windows, Mac, and Linux. All original files and directories are intact.

Why Convert 7Z Archives?

Extract Without 7-Zip

7Z requires 7-Zip or compatible software that most people do not have installed. Convert 7Z to ZIP for an archive that Windows, Mac, and Linux can all extract natively without extra software.

Broader Compatibility

Email services, cloud storage, and many web platforms do not recognize 7Z files. Convert to ZIP for universal acceptance on every platform, file sharing service, and email provider.

Mac Finder Support

macOS Finder cannot open 7Z archives without third-party tools. Convert 7Z to ZIP for double-click extraction on Mac. All files and folder structure are preserved during conversion.

Server and DevOps Use

Linux deployment scripts and CI/CD systems rarely support 7Z. Convert to TAR.GZ for the standard archive format in server environments, Docker builds, and Unix-based automation workflows.

Share with Non-Technical Users

Most non-technical users do not have 7-Zip installed and will not know how to open a 7Z file. Convert to ZIP so anyone can extract the contents without downloading additional software.

No Software Required

Convert 7Z 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 7Z Format

7Z (7-Zip Archive) is an open-source archive format created by Igor Pavlov in 1999 for the 7-Zip compression program. It uses the LZMA2 compression algorithm, which achieves 30-70% better compression ratios than ZIP on most file types. This makes 7Z the preferred choice when minimizing archive size is the top priority, particularly for large software distributions and data backups.

Beyond superior compression, 7Z supports AES-256 encryption with the option to encrypt file headers as well, hiding even the names of archived files. It also supports solid compression, which compresses multiple files together as a single data stream for even better ratios. The main drawback is that 7Z requires 7-Zip or a compatible third-party tool to create and extract, as it is not natively supported by most operating systems. It is best suited for scenarios where recipients can install 7-Zip and maximum compression is desired.

7Z Converter FAQ

Quick answers about output formats, compatibility, quality trade-offs, and the best workflows for 7Z files.

What formats can I convert 7Z files to?

You can convert 7Z files to multiple formats. Choose from the available output options listed on this page. Each conversion tool is optimized for the specific format pair to preserve quality.

How long does 7Z conversion take?

Most 7Z conversions complete in a few seconds for small to medium files. Larger files may take slightly longer depending on the output format and file size. Processing happens either in your browser or on our fast servers.

Will converting from 7Z reduce quality?

Quality depends on the target format. Converting between lossless formats preserves full quality. Converting to lossy formats may reduce quality slightly, but iFormat uses optimized settings to maintain the best possible output for each format pair.

What is the maximum file size for 7Z conversion?

Free users can convert 7Z files up to 100 MB. Pro plan users get higher limits up to 1 GB, and Business plan users can convert files up to 5 GB.
Reviewed by Editorial team Updated