XPI File Viewer Online
Open and preview .xpi files (Firefox Extension) directly in your browser — no downloads, no installs, no account required.
Open XPI File Now →About XPI Files
| Extension | .xpi |
| Full Name | Firefox Extension |
| MIME Type | application/x-xpinstall |
| Category | 📦 Archives |
| Processing | 🔒 In-browser (private) |
Software That Creates XPI Files
- Firefox Extension Manager
- 7-Zip (rename to .zip)
How to Open XPI Files Online
- Visit ViewAnyFile.app
Go to ViewAnyFile.app in any web browser.
- Upload your XPI file
Drag and drop your
.xpifile, or click to browse. - View instantly
Your file renders immediately. It stays in your browser — nothing is uploaded.
Frequently Asked Questions
How do I open a XPI file online?
Visit ViewAnyFile.app and drag your .xpi file into the upload area. It renders instantly — no download or account needed.
Is it safe to open XPI files on ViewAnyFile.app?
Yes. All processing for XPI files happens entirely inside your browser. Your files never leave your device and are never uploaded to any server.
Can I open XPI files on Mac and mobile?
Yes. ViewAnyFile.app works in any modern browser on Windows, macOS, Linux, iPhone (Safari), and Android (Chrome). No operating system restrictions.
Do I need to create an account?
No. ViewAnyFile.app is 100% free with no signup required. Just drag, drop, and view.