What Is Tor Browser, and Why Do People Use It?

A guide to online privacy, anonymity, censorship resistance, and the trade-offs of browsing through the Tor network.

Introduction

Most of us use ordinary browsers every day without thinking much about what they reveal. A normal browsing session can expose your IP address, approximate location, device details, browsing patterns, cookies, and other signals that advertisers, websites, internet providers, employers, or governments may use to track activity. Tor Browser takes a different approach: it is designed to make browsing harder to trace, harder to profile, and harder to censor.

What Is Tor Browser?

Tor Browser is a free, open-source web browser that routes your internet traffic through the Tor network, a global system of volunteer-operated servers known as relays. “Tor” originally stood for “The Onion Router,” a name that reflects how the system wraps your traffic in several layers of encryption before sending it through multiple relays. Each relay removes only one layer, so no single relay should know both who you are and which website you are visiting.

In a typical Tor connection, your traffic passes through an entry relay, a middle relay, and an exit relay before reaching the destination website. The entry relay can see your IP address but not the final website. The exit relay can see the destination but not your original IP address. This separation is what helps protect anonymity.

How Is Tor Different from an Ordinary Browser?

Ordinary browsers such as Chrome, Edge, Safari, and Firefox usually connect directly from your device to the websites you visit. Even when the website uses HTTPS, your internet provider can often see which domains you connect to, and websites can usually see your IP address. Tor Browser adds a privacy layer between you and the website by routing traffic through the Tor network and by reducing common tracking techniques such as cookies, third-party tracking, and browser fingerprinting.

Tor Browser also isolates websites from one another, clears cookies and browsing history after sessions, and aims to make users look more alike so they are harder to identify by their browser and device settings. In short, ordinary browsers prioritise speed, convenience, and compatibility, while Tor Browser prioritises privacy, anonymity, and censorship resistance.

Why Are More People Using Tor?

Tor is no longer just a niche tool for technologists. According to Tor Metrics, the Tor network has millions of users and thousands of volunteer-run relays, with estimated direct users spread across countries including the United States, Germany, Brazil, India, France, the Netherlands, Ukraine, Indonesia, and the United Kingdom. Tor Metrics estimates users by analysing privacy-preserving requests made by clients to relays and bridges.

There are several reasons for this growth. First, public concern about online tracking has increased. Many people now understand that ordinary browsing can feed advertising profiles, data brokers, and analytics systems. Second, censorship and internet restrictions in some countries have made circumvention tools more important. Third, journalists, activists, researchers, lawyers, whistleblowers, and vulnerable communities may need safer ways to communicate or access information. Finally, everyday users increasingly see privacy as a normal part of digital life rather than something suspicious.

The Tor Project itself describes Tor as a tool for defending against tracking and surveillance, resisting fingerprinting, using multi-layered encryption, and circumventing censorship. Privacy Guides similarly describes Tor as a decentralised network that can enable private and anonymous browsing when used correctly, and notes that Tor traffic is difficult to block and trace.

Common Reasons People Use Tor Browser

• Privacy from websites and advertisers: Tor helps prevent websites from easily linking visits to a user’s real IP address or location.
• Protection from network surveillance: People may use Tor when they do not want an internet provider, public Wi-Fi operator, workplace network, or local network administrator to know which sites they are visiting.
• Censorship circumvention: Tor can help users reach information, news, or services that are blocked in their region or on their network.
• Safer journalism and whistleblowing: Reporters and sources may use Tor to reduce the risk of exposing identities or locations.
• Personal safety and sensitive research: People researching health, legal, political, or personal topics may prefer not to leave an easily traceable browsing trail.
• Access to onion services: Tor enables websites and services using .onion addresses, which can hide the physical location of the service itself.

Pros of Using Tor Browser

• Stronger anonymity than ordinary browsing: Tor hides your real IP address from the websites you visit.
• Reduced tracking: Tor Browser blocks or limits many common tracking methods and clears session data when closed.
• Censorship resistance: It can help people access blocked websites, especially when used with bridges in restricted environments.
• Free and open source: Tor Browser is available at no cost, and its code can be inspected by the public.
• Useful for high-risk users: Journalists, activists, lawyers, researchers, and people in restrictive environments can benefit from extra privacy protections.
• Supports a larger privacy ecosystem: The more diverse the Tor user base is, the more ordinary Tor usage becomes, which can improve the anonymity set for everyone.

Cons and Limitations of Tor Browser

• Slower browsing: Because traffic passes through multiple relays, Tor is usually slower than ordinary browsers.
• Some websites block or challenge Tor traffic: Users may see more CAPTCHAs, blocked pages, or restricted services.
• Not complete invisibility: Tor can hide network location, but it cannot protect against everything. Logging into personal accounts, revealing identifying details, downloading unsafe files, or changing settings can reduce anonymity.
• Exit relay risk: If a website does not use HTTPS, the final exit relay may be able to observe unencrypted traffic.
• Suspicion or stigma: Some organisations wrongly associate Tor only with illegal activity, even though many legitimate users rely on it for privacy, safety, and free expression.
• Less convenient for everyday use: Streaming, banking, location-based services, and highly personalised websites may not work smoothly.
• Blocked in some regions: Some governments and networks try to detect or block Tor, requiring users to use bridges or other connection methods.

Is Tor Browser Legal?

In many countries, using Tor Browser is legal. However, laws and enforcement vary by jurisdiction, and some networks or governments may restrict it. The important distinction is that Tor is a privacy tool: using it is not the same as doing something unlawful. Just as ordinary browsers can be used for lawful or unlawful purposes, Tor’s legality depends on where you are and what you do with it.

Best Practices for Safer Tor Use

• Download Tor Browser only from the official Tor Project website.
• Keep Tor Browser updated.
• Use HTTPS websites whenever possible.
• Avoid installing extra browser extensions, as they can make you easier to identify.
• Do not log into personal accounts if your aim is anonymity.
• Be careful with downloaded documents and files, which may reveal information outside Tor.
• Use Tor’s built-in security settings if you need stronger protection.

What does this mean for my business

Tor Browser exists because ordinary browsing often reveals more than people realise, especially when doing research or dealing with sensitive data.  It helps users protect their privacy, reduce tracking, resist censorship, and communicate more safely.  The growing use of Tor browser reflects a wider shift: people are becoming more aware of surveillance, data collection, censorship, and the value of private access to information.

That said, Tor is not magic. It can be slower, less convenient, and imperfect if used carelessly.  For everyday browsing, an ordinary browser may still be faster and easier.  But for business people who need stronger privacy, anonymity, or access to blocked information, Tor Browser remains one of the most important tools available.

If you would like more information about Tor Browser or help installing and configuring it, call us on 01722 411 999

^Sources

• ^{Tor Project: overview of how Tor works, privacy protections, censorship resistance, relays, and common use cases.}
• ^{Tor Project homepage: Tor Browser features including blocking trackers, resisting fingerprinting, multi-layered encryption, and censorship circumvention.}
• ^{Tor Metrics: public statistics on Tor users, countries, relays, bridges, traffic, and network measurement.}
• ^{Privacy Guides: explanation of Tor as a privacy and censorship-circumvention tool, including practical safety considerations.}