Online 7z Viewer
Upload your 7Z file to view its contents online. No need to extract. Secure and fast.
Drop file here
or click to browse
Supported: PDF, DOC, DOCX, XLS, PPT, JPG, PNG, JSON, XML
Max 100MB
No Extraction Needed
Browse files inside the archive without extracting them to your device.
Instant Preview
Click on images, PDFs, or docs inside the archive to view them instantly.
Secure & Private
Your files are processed securely and automatically deleted.
What is a 7z file?
A 7z file is a compressed archive file format that supports several different data compression, encryption, and pre-processing algorithms. The 7z format initially appeared as implemented by the 7-Zip archiver. It is known for its high compression ratio, often better than ZIP.
Our Online 7z Viewer allows you to open these high-compression archives directly in your web browser. No need to install 7-Zip or other software. It's free, secure, and works on all platforms.
How to Open 7z Files Online
Upload 7z File
Click the file area to upload or drag and drop your 7z file.
Wait for Extraction
The viewer will process the archive locally in your browser to list its contents.
Download Files
Click on individual files within the archive to download them to your device.
Frequently Asked Questions
Is 7z better than ZIP?
7z generally offers a higher compression ratio than standard ZIP, meaning smaller file sizes. However, ZIP is more widely supported by default operating systems.
Do I need 7-Zip installed?
No, our online tool handles the 7z format directly in your browser without any installation.
Is it secure?
Yes, all processing happens locally in your browser. Your files are not uploaded to our servers.