Yes, it's completely free.
No, files are processed only within the browser and not sent to the server at all.
Works with the latest versions of Chrome, Firefox, Safari and Edge.
Yes, it can also be used on smartphones and tablet browsers.
There are no technical limitations, but due to browser memory limitations, very large files may not be able to be processed.
Once the page is loaded, it can also be used offline.
Currently, it supports compression in ZIP and 7z formats.
Yes, you can drag and drop multiple files and folders to compress them into one archive file.
The higher the compression level, the smaller the file size, but the longer the processing time.
It uses AES-256 encryption and provides military-level encryption strength.
Yes, it preserves metadata such as the original directory structure, file names, and timestamps.
There may be a lack of memory, unsupported file formats, or browser restrictions.
If you are concerned about compatibility, we recommend ZIP, and if you want to reduce the file size, we recommend 7z.
No, the process will be suspended.
Compatible with major archive formats such as ZIP, 7z, RAR, TAR, GZ, BZ2, XZ, LZMA, and more.
Yes, you can unzip password-protected ZIP or 7z files by entering the correct password.
Once the decompression is complete, you can either download the files individually or download all files at once.
It may be possible to unzip the file if it is minorly damaged, but it cannot unzip the file that is significantly damaged.
The password may be incorrect or an unsupported encryption method.
Depending on the file size and browser performance, files of several GB can often be unzipped in a few minutes.
Yes, all operations are performed in the browser using WebAssembly.
After the process is completed, all file data will be automatically deleted from the browser's memory.
Yes, because it is locally processed, it can safely compress and unzip sensitive files.
Passwords are also used only within the browser and are not sent outside.
It does not have a virus scan function, but it is safe as it does not change the contents of the file.
It is a technology that allows you to run native code quickly within a browser, and is used to make the 7-Zip library run in the browser.
No, you need JavaScript and WebAssembly.
The 7-Zip library is open source.
Using a modern browser and closing other tabs may help speed up.
Close the browser tab to free up memory or split it into smaller files for processing.
For large files, processing may take some time.
It could be a browser compatibility or file format issue.
Clear your browser cache or try using private browsing mode.
This could be caused by browser settings or security software.
This is due to insufficient memory or browser limitations.
The process may not be completed or the browser's pop-up blocking function may be caused.
Older ZIP files may cause character encoding issues.
If you have any issues that are not resolved above, please contact us with details such as browser type and version, error message, file size, etc.