How does the conversion actually work?

Your archive is fully extracted, then every file is recompressed into a new archive in the target format — a genuine, complete round trip that preserves every file's exact content, not a partial or approximate conversion.

Will any files be lost or changed during conversion?

No — since both extraction and recompression are lossless, every file comes through the conversion byte-for-byte identical to how it went in, just packaged in a different archive format.

Can I convert a RAR archive to another format?

Yes, RAR archives can be used as the source for conversion — read support for RAR is included, even though RAR itself isn't offered as an output format since it's a proprietary format only WinRAR's own software can create.

Which formats can I convert between?

ZIP, 7Z, TAR, and TAR.GZ are available as target formats, and ZIP, 7Z, TAR, GZ, and RAR are all supported as source formats to convert from.

Why would I convert an archive to a different format?

Common reasons include a platform or workflow that specifically requires a particular format, wanting 7Z's typically stronger compression instead of ZIP's, or needing broader compatibility that a specific format offers over another.

Is my archive uploaded to a server?

No. Both extraction and recompression happen entirely in your browser using real compiled archiving engines. Your files are never transmitted anywhere.

Is this archive converter free to use?

Yes. This free online archive converter has no daily limit and no file count limit.

Convert Archive Format

Convert an archive between ZIP, 7Z, TAR, and TAR.GZ formats.

Processed entirely in your browser. Your file is never uploaded anywhere.

Why convert archive formats with Tools Root

Not every platform or workflow accepts every archive format — a RAR file might need to become a ZIP, or a ZIP might need the stronger compression of 7Z. This free archive converter handles that conversion directly in the browser.

A real, complete extract-and-recompress conversion

Your archive is genuinely extracted in full, then every file is recompressed into the new target format — a complete, lossless round trip rather than a shortcut, so every file comes through exactly as it went in.

A free archive format converter supporting five source formats

Whether starting from ZIP, 7Z, TAR, GZ, or even RAR, this tool converts to ZIP, 7Z, TAR, or TAR.GZ at no cost, with no limit on file count or archive size.

Common use cases

Converting a RAR archive received from someone else into a more universally editable ZIP, converting a ZIP into 7Z for stronger compression before long-term storage, preparing an archive in the specific format a platform or upload system requires, standardizing a collection of differently-formatted archives into one consistent format, or converting a TAR archive from a technical export into ZIP for easier everyday use.

Related archive tools

If you'd rather just see what's inside an archive first, List Archive Contents shows the full file listing without converting or extracting anything.

Why different archive formats exist at all

ZIP is the most universally recognized format across nearly every device and platform, 7Z generally achieves stronger compression at the cost of slightly less universal native support, and TAR/TAR.GZ are especially common in technical and Unix-based workflows — each format made different tradeoffs for different original use cases, which is exactly why converting between them is sometimes genuinely necessary rather than just a preference.

What stays the same, and what changes, when converting

Every file's actual content stays completely unchanged through a conversion — what changes is purely the archive's own container format and its compression method. A conversion to 7Z, for instance, may produce a smaller resulting archive than the original ZIP simply because 7Z's compression algorithm is typically more efficient, not because anything about the files themselves was altered.

How to convert an archive to a different format

1Upload your archive: ZIP, 7Z, TAR, GZ, or RAR.
2Choose the format to convert to.
3Click convert.
4Download your archive in the new format.

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