Test Zip, RAR, 7Z files integrity online

Check and verify the integrity archive files for free! Do it online and easily with our service. Multiple formats and unlimited files.

Drag and drop some files here, or click to select files.

How to test archive files?

  • Drag & drop an archive file or select a file by clicking on input area.
  • Report will include information such as Type, Size, Compressed Size, Files and Folder count etc
What is testing an archive file?
  • Testing an archive file involves verifying the integrity of the file to ensure that it is not corrupted and can be decompressed successfully. This process checks whether the compressed data matches the original data, and whether all the files and directories in the archive can be accessed without errors.
What are the uses of testing an archive file?
  • Testing an archive file can verify its integrity, ensuring that the file is not corrupted and can be decompressed successfully.
  • By testing an archive file before decompressing it, you can prevent potential data loss caused by trying to decompress a corrupted file.
  • Testing an archive file ensures that all the files and directories in the archive can be accessed without errors, which is important if you're planning to use or share the file.
What are the disadvantages of testing an archive file?
  • Depending on the size of the archive file, testing can be a time-consuming process.
  • There's a small chance that the test could incorrectly report a good archive as corrupted, or a corrupted archive as good.
  • Testing an archive file can identify issues, but it doesn't fix them. If the archive is corrupted, you'll need to use other tools or methods to recover the data.
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UnZiper is an incredibly helpful and easy-to-use online tool that makes it possible to extract, compress, or convert compressed files in an instant. All you need is a web browser and UnZiper does the rest for you - quickly, easily and best of all, free! The advantages of using UnZiper are endless - you save time by not having to install any software, you don't have to worry about viruses as no downloads are required, and most importantly of all, you can do it all on demand with just a few clicks. UnZiper gives users the freedom to work with their compressed files when they need to without waiting around. It's fast, secure and reliable - making it ideal for anyone who needs to extract, compress or convert compressed files quickly.What is UnZiper?

UnZiper supports any OS that can run a modern browser. We have tested it to work with Windows, MacOS, Linux (e.g. Ubuntu, Mint, Debian), Android, ChromeOS (Chromebook), iOS (iPhone, iPad & iPod Touch). Ensure you are using the latest version of one of the popular browsers (e.g. Chrome, Firefox, Safari, Opera, Edge).What operating system does UnZiper support?

Max file size is limited by your device RAM. Theoretical size limit is 4GB.What is maximum file size supported by UnZiper?