Compress files or Extract ZIPs instantly in your browser.
No file uploads. 100% Private.
or click to browse
We use Client-Side technology. Your files never leave your browser and are never uploaded to any server. Complete data privacy compliant with GDPR.
Since there is no upload or download speed limit involved with a server, the compression happens instantly using your device's processing power.
Compress unlimited files. No daily restrictions, no sign-up required, and completely free to use for users worldwide.
ZipMaster provides a seamless way to manage your archive files. Whether you need to bundle multiple documents into a single ZIP file for email attachments or extract content from a downloaded archive, our tool handles it efficiently.
Our web-based platform works flawlessly on Windows, Mac, Linux, Android, and iOS. You don't need to install heavy software like WinRAR or 7-Zip. Just open your browser (Chrome, Firefox, Safari, Edge) and start working.
We utilize the standard Deflate algorithm ensuring high compatibility. Files compressed here can be opened on any operating system without issues.
Yes. Unlike other tools, ZipMaster does not send your files to the cloud. All processing happens locally in your web browser (JavaScript), ensuring your sensitive data remains on your device.
Currently, we support creating standard .ZIP files and extracting .ZIP archives. We are working on adding support for .RAR and .7Z in future updates.
Technically, the limit depends on your browser's memory (RAM). For most modern devices, handling files up to 1GB is smooth. For extremely large files, desktop software might be recommended.