RAR to 7Z Converter
Convert RAR archives to compact 7Z files while preserving folders and filenames. Download a genuine 7Z archive with no account required.
Drop your RAR files here
Up to 50MB per file.
Files are encrypted and auto-deleted after conversion
How to Convert
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Upload your RAR files
Drag and drop or select RAR files from your device. You can upload multiple files at once.
- 202
Create the new archive
Start the conversion to unpack the RAR safely and package the original files and folders in a genuine 7Z archive.
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Download 7Z files
Download the completed 7Z archive with its folders and filenames preserved.
Why convert RAR to 7Z?
RAR is a compressed archive that can contain multiple files and folders. Converting it to 7Z creates a high-compression archive that can contain multiple files and folders, ready for workflows that use the destination format.
7Z opens with 7-Zip, PeaZip, Keka, The Unarchiver, and compatible archive tools on major operating systems.
Frequently Asked Questions
What does RAR to 7Z conversion do?
It extracts the files from the RAR archive and packages them in a genuine 7Z archive.
Will the folder structure be preserved?
Yes. Folders, nested folders, and filenames are retained in the converted 7Z archive.
Can I open the result with 7-Zip?
Yes. The downloaded .7z file works with 7-Zip and other apps that support the 7Z format.
Can I batch convert RAR files?
Yes. Add several RAR archives and convert them in one batch.
Do I need WinRAR?
No. Crest Convert handles the archive conversion online without requiring WinRAR on your device.