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7-Zip-zstd vs WinRAR: catalog facts
7-Zip-zstd	WinRAR
Free The software is free under its open-source licence. Hosting, hardware and external…	Paid Paid licence after a 40-day trial. The trial continues to work and shows a reminder on…
Windows, Linux	Windows, macOS, Linux
It keeps the familiar 7-Zip interface and Explorer menu while adding modern codecs, and it can be installed…	The only tool that creates RAR archives, including recovery records Reads ZIP, 7z, tar, ISO and most other formats you are handed
Archives that use the added codecs will not open in stock 7-Zip, so they are not safe to…	Paid software; the free trial is technically an evaluation, not a licence Windows only for the graphical version
Downloadable app	Downloadable app
Open source	Closed source
License: BSD-3-Clause	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.