Proton VPN
Free and open-source VPN with strong encryption and a strict no-logs policy.
Open the official app on protonvpn.com
This tool is hosted by its maintainers. Click below to open protonvpn.com in a new tab — it's their official demo.
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Choose how you want to get started.
Use it free
Open the official tool or demo — no account needed.
Self-host it
Run the open-source version on your own infrastructure.
What is Proton VPN?
Proton VPN is an open-source virtual private network (VPN) service designed to enhance online privacy, security, and access to geographically restricted content. Developed by Proton AG, a company with a decade-long focus on digital privacy, the tool enables users to encrypt internet traffic, mask their IP addresses, and bypass censorship or regional content blocks. It caters to individuals, businesses, and organizations seeking to protect sensitive data from surveillance, trackers, and cyber threats. By routing internet connections through secure servers, Proton VPN addresses concerns about data exposure, identity theft, and unauthorized monitoring, offering a balance between privacy and usability for everyday online activities.
How it works
Proton VPN is a privacy-focused tool that encrypts internet traffic and routes it through remote servers to conceal users' IP addresses and locations. It is built on open-source principles, with its codebase hosted on GitHub, allowing transparency and community contributions. The primary purpose of Proton VPN is to safeguard online privacy by preventing third-party tracking, blocking malicious websites, and securing data transmissions. It also enables users to access region-locked content, such as streaming platforms or censored websites, by masking their geographic location. Proton VPN supports multiple platforms, including Windows, macOS, Linux, Android, iOS, and browser extensions for Chrome and Firefox. The free version provides three server locations, while paid subscriptions unlock additional servers, faster speeds, and advanced features like a kill switch and ad-blocking. The tool also includes a 'Private by Default' mode, which automatically enables encryption and blocks trackers across all connections.
How to use it
- 1Download the Proton VPN app from the official website or app store for your operating system. 2. Install the application and launch it, then select a server location from the available options. 3. Connect to the chosen server; the app will encrypt your traffic and mask your IP address. 4. Use the browser extension (for Chrome/Firefox) to secure web traffic without needing to connect to a server manually. Practical tips: For optimal performance, choose a server closer to your location. Paid users can access more servers and features like the kill switch. Ensure the app is updated regularly to benefit from security patches and new functionalities.
What it can do
- VPN privacy
Use cases
Assumptions and limitations
Assumptions
- source: https://github.com/ProtonVPN
- license: GPL-3.0 — free to use
- privacy: Opens an external demo
Limitations
- The free plan limits users to three server locations
- No built-in support for split tunneling (selective traffic routing)
- Limited advanced customization options compared to enterprise-grade tools
- Some users report slower speeds on less popular server locations
- No native support for router-level encryption or DNS leak protection in the free tier
Understanding the result
Free and open-source VPN with strong encryption and a strict no-logs policy.
Tool details
- Clearly flagged when a network request is needed.
- No account, no sign-up, and no tracking of your content.
- Powered by (GPL-3.0).
- Built with
- (https://github.com/ProtonVPN)
- License
- GPL-3.0
- Runs locally
- No — requires a network request
- Verification
- Not yet verified
- Input
- Query
- Output
- Text
Built with https://github.com/ProtonVPN. OpenToolVault provides the discovery and browser interface while crediting the original project maintainers.
- Built with
- License
- GPL-3.0
Open-source project
OpenToolVault is an independent directory. We are not affiliated with or endorsed by this project.
References
- / — GitHub Repository
Upstream project · GitHub
- GPL-3.0 License
Upstream project
Frequently asked
What is the difference between the free and paid versions of Proton VPN?
The free version of Proton VPN provides basic encryption and access to three server locations, suitable for casual use. Paid subscriptions unlock additional servers, faster connection speeds, and advanced features like a kill switch, ad-blocking, and priority support. Paid users also gain access to exclusive server locations and the ability to use the browser extension for secure web traffic.
How does Proton VPN ensure user privacy?
Proton VPN uses strong encryption protocols to secure data in transit, ensuring that internet traffic is unreadable to third parties. It does not log user activity, IP addresses, or browsing history, adhering to its 'Private by Default' policy. The service also employs secure server infrastructure and regular security audits to prevent data breaches. However, users should note that while ProtonVPN itself does not track activity, governments or internet service providers may still monitor encrypted traffic at the network level.
How do I connect to a specific server location?
Open the Proton VPN app, click the server selector, and choose a location from the list. For advanced users, the CLI version allows specifying servers via command-line arguments. Ensure the selected server is available in your subscription tier (free or paid) and that your firewall or antivirus settings do not block the connection.
How does Proton VPN compare to NordVPN or ExpressVPN?
Proton VPN emphasizes privacy and open-source transparency, with no logging policies and GPL-3.0 licensing. NordVPN and ExpressVPN offer more server locations and advanced features like obfuscated servers for bypassing censorship, but they are not open-source. Proton VPN is ideal for users prioritizing privacy, while NordVPN and ExpressVPN may suit those needing global access or enterprise-grade tools.
What should I do if Proton VPN disconnects frequently?
Check for unstable internet connections or firewall restrictions blocking the app. Ensure your Proton VPN app is updated to the latest version. If using a paid plan, try switching server locations. Disable third-party antivirus or security software temporarily to rule out conflicts. If the issue persists, contact Proton VPN support with your device logs for further assistance.