Convert ZIP files online (Free, Fast & Unlimited)

Convert ZIP files online for free, quickly and easily. No install or any limits without uploading your files to any server.

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

How to Convert files to ZIP file online?

You can also remove certain files to reduce size.

You can change/remove password from compressed file.

  • Drag & drop a ZIP file or select a file by clicking on input area.
  • Select the desired output format.
  • If ZIP file is password protected, input password in password field.
  • Click Convert button to start conversion.
  • Converted file will be automatically downloaded to your local device.
What are the features of converter?
  • Free, Fast & Easy: is a free, online tool that allows you to convert ZIP files quickly and easily.
  • Wide Support: Supports a wide range of archive formats, including ZIP, RAR, 7z, TAR, GZ, and more.
  • Works anywhere: This is a web-based tool, so you don't need to download or install any software to use it and is compatible with all major operating systems, including Windows, macOS, Android and Linux.
  • Edit: Allows users to add or remove files from the archive before converting, as well as change or remove the password.
  • Batch: Supports batch conversion, allowing users to convert multiple archives at once.
  • Secure: With all processing taking place on the user's local device. No files are uploaded to the server, ensuring the privacy and security of user data.
  • Unlimited: No limits on the number or size of files that can be converted.
  • Anonymous: No need to sign up or provide any personal information to use the converter.
What is converting archive into another format?
  • Converting one archive format into another involves taking a file or group of files compressed in one format (like ZIP, RAR, or 7z) and converting them into a different compression format. This process typically involves decompressing the original archive and then recompressing the files into the new format.
  • Compatibility: If you need to open an archive on a system that doesn't support its current format, you might need to convert it to a different format that the system can handle.
  • Efficiency: Different archive formats have different levels of compression efficiency. If you need to save space, you might convert an archive to a format that offers better compression.
  • Security: Some archive formats support features like password protection or encryption that others don't. If you need to secure the contents of an archive, you might convert it to a format that supports these features.
What are the disadvantages of converting one archive format into another?
  • If the conversion process is interrupted or fails for some reason, there's a risk of data loss. Always keep a backup of the original file.
  • Converting large archive files can be time-consuming as it involves decompressing and then recompressing the files.
  • Some archive formats may not be supported on all systems. Converting to a less common format may cause issues for others trying to access the files.
  • Some archive formats have specific features (like advanced compression algorithms, recovery records, or encryption methods) that others don't. Converting to a different format might mean losing out on these features.
What are common compression formats and their characteristics?
  • ZIP

    • Widely supported and can be opened by almost all decompression software.
    • Supports lossless compression, preserving the original quality of files.
    • Allows password protection for added security.
    • Not as efficient in reducing file size as some other formats like 7z or RAR.
    • Does not support multi-part compression (splitting the archive into multiple files).
  • 7z

    • Offers a high compression ratio, often creating smaller files than other formats.
    • Supports encryption with AES-256 bit, which is stronger than ZIP.
    • Supports multi-part compression.
    • Not as widely supported as ZIP. Users may need to install 7-Zip or a compatible program to open these files.
    • Compression and decompression can be slower due to the higher compression ratio.
  • GZ

    • Commonly used in Unix and Linux systems.
    • Efficient for compressing single large files or streams of data.
    • Does not support compressing multiple files or directories into a single archive without using another tool like TAR.
    • Does not support password protection or encryption natively.
  • BZ

    • Offers a high compression ratio.
    • Commonly used in Unix and Linux systems.
    • Compression and decompression can be slower due to the higher compression ratio.
    • Does not support password protection or encryption natively.
  • TAR

    • Commonly used in Unix and Linux systems.
    • Can bundle multiple files and directories into a single archive.
    • TAR itself does not provide compression, it's often used with other compression tools like GZIP or BZIP2.
    • Does not support password protection or encryption natively.
  • ISO

    • ISO is an archive file for optical disc media.
    • Widely supported by many software.
    • Does not provide compression, it's a sector-by-sector copy of the disc.
    • Does not support password protection or encryption natively.
  • XZ

    • Offers a high compression ratio.
    • Commonly used in Unix and Linux systems.
    • Compression and decompression can be slower due to the higher compression ratio.
    • Does not support password protection or encryption natively.
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A ZIP file is an archive file format that utilizes lossless data compression in order to store multiple files together in a single container. This type of file has the extension .zip and can be used to compress any number of digital objects, including images, audio, video, or text documents. The ZIP format was initially developed in 1989 by Phil Katz for PKZIP and became the de facto standard for file compression over subsequent decades.What is a zip file?

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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?

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