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File converter / Archive / Convert to ZIP / 7Z converter / ZIP to 7Z

Convert ZIP to 7Z

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Choose file to convert to .7z
or drag and drop file

You can convert ZIP archive to 7Z as well as to variety of other formats with free online converter.

How to convert zip to 7z?

How to convert 7z to zip?
Step 1

Upload zip-file

Select zip file, which you want to convert, from your computer, Google Drive, Dropbox or drag and drop it on the page.
Step 2

Convert zip to 7z

Select 7z or any other format, which you want to convert.
Step 3

Download your 7z-file

Wait till your conversion process will be completed and click download converted 7z file.

Online and free zip to 7z converter

Fast and easy
Just drop your zip files on the page to convert 7z or you can convert it to more than 250 different file formats without registration, giving an email or watermark.
Don't worry about security
We delete uploaded zip files instantly and converted 7z files after 24 hours. All files transfer with secured an advanced level of SSL encryption.
All in the cloud
You don't need to install any software. All zip to 7z conversions make in the cloud and don't use any resources of your computer.

ZIP compression

File extension .zip
File category archives
Description Among compressed and archived files, ZIP files are the most common. It is supported by both Windows and Mac operating systems. Files can be compressed using multiple methods using the ZIP format. However, files can be archived with the need to be compressed. Although some may say that ZIP files have become antiquated, it looks as though it is here to stay.
Technical details The ZIP program compresses each file in a folder individually, this fact makes the process more efficient rather than compressing all files together. This, however, limits the extent to which the entire archive can be compressed. The most widely used method, among others, is the DEFLATE method. The user may even choose the method of compression that best suits him. A unique icon differentiates ZIP files from other types of files.
Programs
StuffIt
WinRAR
Winzip
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

File extension .7z
File category archives
Description The 7z file was issued in 1999 along with the 7zip, which was accessible to all. In the layout, any converting, encrypting, or compressing procedure was applicable. This format is highly future-proof due to the simplicity of using these methods. This sort of file can be very big and can get compressed highly.
Technical details The file size for 7z can be 16000000000GB. 7 sorts of compressing can be done. LZMA compresses at 1MB per second and decompresses at 20MB per second. AES-256 encryption can be done in this file format.
Programs
WinRAR
WinZip
Main program 7Zip
Developer 7-zip
MIME type
application/x-7z-compressed

FAQ

❓ How can I convert zip to 7z?
Firstly, select a zip file you want to convert or drag and drop it. Secondly, select 7z or any other format you want to convert your file to. Then click convert and wait until your file is converted
⏳ How long should I wait to convert zip to 7z?
Archive conversion usually takes a few seconds. You will convert zip to 7z very quickly.
🛡️ Is it secure to convert zip to 7z on OnlineConvertFree?
Sure! We delete your uploaded and converted files, so nobody has access to your information. All types of conversion on OnlineConvertFree (including zip to 7z) is 100% safe.
📱 Can I convert zip to 7z without software installation?
Absolutely! OnlineConvertFree doesn’t require installation. You can convert any files (including zip to 7z) online on your computer or mobile.