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Onion Browser

An open-source, privacy-enhancing web browser for iOS. | @OnionBrowser twitter icon

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Enhance your web privacy

Onion Browser is a free web browser for iPhone and iPad that encrypts and tunnels web traffic through the Tor network, with extra features to help you browse the internet privately. See more features & benefits.

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Available on the App Store

This app available for free in the Apple App Store. Click here to download.

Note: Onion Browser is not available in China due local regulations preventing the distribution of Tor apps in the App Store.

Copies of Onion Browser downloaded outside the App Store — via app directories like Cydia or other "jailbreak" app directories — are not created by the developer of Onion Browser. These copies may have modifications added by the packager, which may interfere with your privacy or security, or they may secretly contain malware. We cannot provide support for copies of Onion Browser acquired through these channels.

Source Code


Onion Browser is open source software so that others may audit/inspect the code and help contribute to the project. You may freely access the source code on GitHub.

Support Onion Browser

Donate To Support Onion Browser

Onion Browser is a free app! You can support continuing development of Onion Browser in a few ways:

If you'd like donate in amounts other than the pre-set amounts, if you'd like an anonymous Bitcoin address not involving a third party, or if you would like to support the project via another payment method, please get in touch.

Features & Benefits

Bugs, Caveats, Side Notes

See the release history for a log of Onion Browser release notes, including previous security issues and results of previous security audits. See the Github project for a current list of known issues.

Using Onion Browser does not inherently guarantee security or privacy. It simply provides a set of features that may enhance privacy and anonymity while browsing the web. For more information: The Tor Project maintains a small section about staying anonymous over Tor, as do several threads on Reddit and other messageboard sites.

Onion Browser is copyright © 2012-2017 Mike Tigas, all rights reserved. "Onion Browser" and the Onion Browser logo are trademarks of Mike Tigas. Onion Browser is distributed under MIT License and the source code is freely available.

Onion Browser is not affiliated with nor endorsed by the Tor Project. Onion Browser carries no guarantee from The Tor Project about quality, suitability or anything else. "Tor" is a registered trademark of The Tor Project, Inc.

Onion Browser is provided as-is and use of the app is at your own risk. Any use of the app is under the standard iOS App Store End User License Agreement, the Onion Browser license and any third-party licenses (see credits file included in the app). Please remember: sensitive data does not always belong on a mobile device.

This software uses strong cryptography and may it fall under certain export/import and/or use restrictions in some other parts of the world. BEFORE using any encryption software, please check your country's laws, regulations and policies concerning the import, possession, or use, and re-export of encryption software, to see if this is permitted. See for more information.

If you are a developer and plan on redistributing this app in source or binary form, please see read the LICENSE file for full license details and legal obligations.