Convert ZIP to 7Z
Choose file to convert
Our free online converter allows you to convert zip archives to 7z as well as a variety of other formats.
How to convert zip to 7z?
Step 1
Upload zip-file
You can select zip file you want to convert from your computer, Google Drive, Dropbox or simply drag and drop it onto the page.
Step 2
Select «to 7z»
Choose 7z or any of the other 200+ supported formats you'd like to convert to.
Step 3
Download your 7z file
Please wait for the conversion to complete, then click on the download button to obtain your converted file in the 7z format.
The security of your files is our priority
Understanding the importance of the security of our users' data, we have implemented a number of measures to ensure reliable file conversion without the risk of information leakage or privacy violations.
Data encryption
All information uploaded to our platform is SSL encrypted, ensuring privacy during transmission.
Safe storage
After the conversion is completed, the files are stored on secure servers for 24 hours and are automatically destroyed, excluding access by third parties.
Harmless scripts
Our file conversion tools are regularly tested for malicious code or vulnerabilities to eliminate the risk of a potential cyber attack.
Best tool to convert zip to 7z
zip to 7z Fast and easy
Simply drag and drop your zip files onto the webpage, and you'll be able to convert them to 7z or over 250 different file formats, all without having to register, provide an email address, or include a watermark.
Secure zip to 7z Conversion
As soon as you upload your zip files, we instantly delete them. Converted files are then deleted after 24 hours. Furthermore, we ensure that all file transfers are secure through advanced SSL encryption.
No Software Installation Required
You don't have to go through the hassle of installing any software. We handle all zip to 7z conversions in the cloud, which means that none of your computer's resources will be used in the process.
ZIP compression
| Extension | .zip |
| Category | 🔵 archives |
| Programs | 🔵 StuffIt 🔵 WinRAR 🔵 Winzip |
| Description | 🔵 .zip (Zip Archive) The .zip format is a file archive and compression format that supports lossless data compression. A ZIP file may contain one or more files or directories that may have been compressed. The ZIP file format permits a number of compression algorithms, though DEFLATE is the most common. This format is widely used for distribution and storage of files and software because it reduces file size and bundles multiple files into a single archive, which is easier to handle and transfer. |
| Technical details | 🔵 The `.zip` format is a widely used data compression and archival format with the following technical details: - Compression Algorithm: Primarily uses Deflate, but supports others like BZIP2, LZMA. - File/Directory Storage: Contains multiple files and directories, maintaining structure and metadata. - Lossless Compression: Allows perfect reconstruction of original data. - File Size Limits: Early ZIP limits were 4 GB in size and 65,535 files; ZIP64 extension surpasses these. - Security: Supports password protection and encryption, including ZipCrypto and AES-256. - Error Detection: Includes CRC-32 checksums for data integrity. - Compatibility: Widely supported across various software and operating systems. - Portability: Commonly used for data transfer over the internet. - Split Archives: Allows large files to be split into multi-volume archives. - Metadata Storage: Can store file permissions and timestamps. - File Extensions: Mainly `.zip`; split archives use `.z01`, `.z02`, etc. - MIME Type: Recognized as `application/zip`. - Archive Update: Enables adding, modifying, or removing files without recreating the archive. The `.zip` format is favored for its effective compression, ability to handle multiple files, and broad compatibility. |
| Developer | 🔵 PKWARE |
| MIME type | 🔵 application/zip 🔵 application/x-zip 🔵 application/x-zip-compressed 🔵 application/octet-stream 🔵 application/x-compress 🔵 application/x-compressed 🔵 multipart/x-zip |
7z compressed archive
| Extension | .7z |
| Category | 🔵 archives |
| Programs | 🔵 WinRAR 🔵 WinZip |
| Main program | 🔵 7Zip |
| Description | 🔵 The 7z file was introduced in 1999 alongside 7zip, making it accessible to everyone. This format allows for easy conversion, encryption, and compression. Its simplicity ensures that it will remain relevant in the future. 7z files can be very large but can also be highly compressed. |
| Technical details | 🔵 The file size for 7z can be up to 16000000000GB, with 7 different types of compression available. LZMA compression operates at 1MB per second for compression and 20MB per second for decompression. Additionally, AES-256 encryption is supported in this file format. |
| Developer | 🔵 7-zip |
| MIME type | 🔵 application/x-7z-compressed |