Tor Browser
Operator: The Tor Project, Inc.
A browser for accessing websites and onion services through the Tor network.
OPSEC & Environment
Product
Tor Browser, a Firefox-based browser for the Tor network.
Availability and source date
Active
As of: 17 October 2026.
No functionality test has been performed.
Use in OSINT research
Opens websites and onion services for research through the Tor network.
Queries
| Input | Result | Result type |
|---|---|---|
| URL | A website or onion service in the browser. | Retrieved |
Features
- Routes browser traffic through the Tor network.
- Opens onion services directly in the browser.
- Does not save browsing history and retains cookies only until the session ends.
- Provides security levels for restricting active web content.
Categories
- OPSEC & Environment
Coverage
Dataset
A technical utility without a regional research dataset of its own.
Access
Installation and deployment
Locally installable
A locally installed desktop browser. Connections use the Tor network.
Requirements
Download and local installation for Windows, macOS or Linux. Current stable desktop version: 15.0.25.
Export
Browser functions for web pages and bookmarks; no dedicated research export.
Provider
The Tor Project, Inc.
Country of establishment
Unknown
Interfaces
No API, MCP or AI integration is documented.
Maintenance
Licence
Multiple component licences, including MPL and GNU GPL
Latest activity
Release 10/2026
Stars
Unknown
Limitations
- WebAuthn/U2F, for example for YubiKeys, is disabled. Tor Browser modifies image data when images are uploaded.
Guides and practical reports
Official · Tor Browser: manual
The Tor Project · EN
Installation, onion services, security levels and troubleshooting.