Drag and drop the file you want to compress, or click the File Select button to select multiple files.
Select either the ZIP or 7z format and set the compression level and password protection.
Once the settings are complete, click the "Start Compression" button to execute the process.
Once the compression is complete, you can download the created archive file.
Drag and drop the ZIP or 7z file you want to unzip, or click the File Selection button.
If the file is password protected, enter the correct password.
Click the Start Unzip button to unzip the archive file.
Once the unzipping is complete, you can either download the files individually or download them all at once.
All operations are performed within the browser and the files are not sent to the server.
It supports creating and unzipping password-equipped archives in ZIP/7z format.
You can choose from five compression levels, from fastest to maximum compression depending on your application.
It is also possible to compress and unzip large files within the browser's memory limits.
The intuitive drag and drop interface makes it easy to manipulate files.
It supports over 30 languages and is available to users all over the world.
OnlineZipTools places customer privacy and data safety as our top priority.
If you want to reduce the file size, select "Maximum compression"; if you want to focus on processing speed, select "Fast".
It is recommended to set a strong password that combines 8 or more alphanumeric characters and symbols.
To avoid running out of memory, we recommend splitting and processing very large files.
Get optimal performance with the latest versions of Chrome, Firefox, Safari and Edge.
During compression and decompression processes, do not close the browser tab and wait until the process is complete.