Convert to 7Z
Convert GZ, ZIP, RAR, TAR to 7Z online. Choose a file and download a genuine .7z result. Fast, secure, and no sign-up required.
Drop a file to convert it to 7Z
We'll detect the input format and show the right settings for a genuine .7z result.
7Z is a high-compression archive that can contain multiple files and folders. This destination page brings every supported route to 7Z together, so you can begin with the file you already have.
The converter maps the source content into a valid 7Z file and applies the options supported by that specific format pair.
7Z opens with 7-Zip, PeaZip, Keka, The Unarchiver, and compatible archive tools on major operating systems.
Choose a 7Z Converter
Open a specific route when you already know your input format.
Frequently Asked Questions
How do I convert a file to 7Z?
Choose a supported file on this page. Crest Convert detects its format and shows the matching 7Z settings here. Review the available options, start the conversion, and download the finished .7z file without leaving the page.
Which files can I convert to 7Z?
This page supports 4 input formats, including GZ, ZIP, RAR, and TAR. The available routes are listed below so you can also open a specific converter directly.
What is 7Z best used for?
7Z is a high-compression archive that can contain multiple files and folders. This destination page brings every supported route to 7Z together, so you can begin with the file you already have.
What is preserved when I convert to 7Z?
The converter maps the source content into a valid 7Z file and applies the options supported by that specific format pair.
Which applications can open 7Z files?
7Z opens with 7-Zip, PeaZip, Keka, The Unarchiver, and compatible archive tools on major operating systems.
Can I convert several files to 7Z?
Yes. After Crest Convert identifies the source format, you can add more compatible files on this page, process the batch, and download the completed results individually or together when ZIP download is available.
Is converting files to 7Z secure?
Yes. Browser conversions stay on your device. Files that require server processing are transferred over an encrypted connection, handled securely, and automatically deleted shortly after conversion. No account is required.
How do I convert a file to 7Z?expand_more
Choose a supported file on this page. Crest Convert detects its format and shows the matching 7Z settings here. Review the available options, start the conversion, and download the finished .7z file without leaving the page.
Which files can I convert to 7Z?expand_more
This page supports 4 input formats, including GZ, ZIP, RAR, and TAR. The available routes are listed below so you can also open a specific converter directly.
What is 7Z best used for?expand_more
7Z is a high-compression archive that can contain multiple files and folders. This destination page brings every supported route to 7Z together, so you can begin with the file you already have.
What is preserved when I convert to 7Z?expand_more
The converter maps the source content into a valid 7Z file and applies the options supported by that specific format pair.
Which applications can open 7Z files?expand_more
7Z opens with 7-Zip, PeaZip, Keka, The Unarchiver, and compatible archive tools on major operating systems.
Can I convert several files to 7Z?expand_more
Yes. After Crest Convert identifies the source format, you can add more compatible files on this page, process the batch, and download the completed results individually or together when ZIP download is available.
Is converting files to 7Z secure?expand_more
Yes. Browser conversions stay on your device. Files that require server processing are transferred over an encrypted connection, handled securely, and automatically deleted shortly after conversion. No account is required.