.7z File Viewer
View and extract .7z archive files online without installing any software
Upload Your File
Drag & drop files here or click to select
Maximum file size: 100MB
Supported format: 7z Archive (.7z)
filename.ext
.7z File Viewer Features
Browse Contents
View the full directory structure and files contained in your .7z archive.
Extract Files
Extract individual files or the entire contents of your .7z archive.
Preview Files
Preview text, images, PDF, and other file types directly in your browser.
Secure Processing
Your .7z archive files are processed securely and not stored permanently on our servers.
No Installation
Works entirely in your browser without requiring 7-Zip or other archive software.
Mobile Compatible
View your .7z files on any device including smartphones and tablets.
About .7z Files
The .7z file extension is a compressed archive format developed by Igor Pavlov for the 7-Zip archiver. It features a high compression ratio, strong encryption, and support for multiple compression methods, making it one of the most powerful archive formats available.
What is a .7z File?
A .7z file is a compressed archive that can contain multiple files and folders. Key characteristics include:
- Extremely high compression ratio (often better than ZIP and RAR)
- Support for multiple compression methods (LZMA, LZMA2, PPMd, etc.)
- Strong AES-256 encryption
- Open architecture allowing for future compression method implementation
- Solid archive capability for improved compression of similar files
Common Uses of .7z Files
- Software distribution where file size is critical
- Data archiving with maximum compression
- Secure storage of sensitive files using encryption
- Distributing large collections of documents or media
- Creating backups with optimal storage efficiency
Technical Specifications
The 7z format offers several technical advantages:
- Open architecture with easily expandable design
- Support for files up to 16 exabytes in size
- Built-in support for file filters for preprocessing
- Headers compression for improved overall compression
- Unicode filename support
How to Use Our .7z File Viewer
- Click the upload button or drag and drop your .7z file into the upload area
- Wait for the file to upload and process
- Browse the contents of your 7z archive
- Click on files to preview them directly in the browser
- Extract individual files or the entire archive as needed
When to Use a .7z File Viewer
- When you receive a 7z file but don't have 7-Zip installed
- When working on a device where you can't install software
- For quickly checking the contents of a 7z file before extracting
- To extract only specific files from a large archive
- When you need to access 7z files on mobile devices