Does the app collect any data?

No. Onion Search Engine collects zero data. There are no cookies, no logs, no third-party trackers, and no external code. Data is encrypted in transit.

Yes, the app is free. A Pro upgrade is available for advanced tools like keyword monitoring with push notifications and site analysis.

Onion Search Engine App – Search the Dark Web & Tor Network on Android

Features

Everything you need to explore Tor — privately.

Built for users who need real privacy, not just a promise.

Full .onion Search Index

Access a continuously updated, uncensored index of Tor hidden services. Search by keyword and browse titles, URLs, and content previews.

Strict No-Log Policy

No search history, no user profiles, no cookies. Your queries stay on your device. Zero data is collected — verified on Google Play's data safety section.

Online / Offline Site Status

Results show whether each .onion site is currently online or offline — so you never waste time on dead links.

Keyword Monitoring (Pro)

Set up keyword alerts and receive push notifications when new .onion content matching your terms appears in the index.

Site Analysis (Pro)

Go deeper: analyze individual .onion sites — uptime history, content snapshots, and intelligence metadata — directly from the app.

Share & Export

Share any .onion URL with its title via email or messaging apps in one tap. Perfect for research, notes, or collaboration.

How It Works

Up and running in minutes.

Install the App

Download Onion Search Engine free from Google Play on any Android phone or Chromebook.

Connect to Tor

Use Orbot with your browser, or a Tor-compatible VPN, to access the Tor network on your device.

Search .onion Sites

Type any keyword and explore results with title, URL, and content preview. Tap any result to open it in your Tor browser.

Upgrade to Pro (Optional)

Unlock keyword monitoring with push notifications and advanced site analysis for professional deep web research.

Onion Search Engine app in use on Android

Privacy

Zero data. Verified.

Every privacy claim is declared on Google Play's Data Safety section and independently verifiable.

✓ No data shared with third parties We don't share anything — because we collect nothing.

✓ No data collected No account required. No analytics. No fingerprinting.

✓ Encrypted in transit All communications are encrypted end-to-end.

✓ No external code No third-party SDKs or external scripts — pure, auditable code.

Pro

For serious researchers.

The free app covers most use cases. Upgrade Pro for professional-grade monitoring and intelligence tools.

Keyword monitoring with real-time push notifications
Site analysis: uptime history, content metadata
Priority access to new index entries
Support active independent development

Free to download · Pro available in-app

FAQ

Common questions.

What is Onion Search Engine?

Onion Search Engine is a privacy-first search engine for the Tor network. It indexes .onion hidden services so you can search the deep web without visiting individual sites manually. The Android app brings the full search experience to your phone.

Do I need Tor Browser to use the app?

The app works as a search index without Tor. To open .onion sites you find in search results, you need a Tor connection — use Orbot with your browser, or a Tor VPN. On Android, Orfox or the official Tor Browser with Orbot is recommended.

Does the app collect any of my data?

No. Zero data is collected. There are no cookies, no search logs, no analytics, and no third-party code. This is declared in Google Play's Data Safety section. The app does not require registration or an account.

Is the app safe and legal to use?

Yes. Onion Search Engine is a search index — it helps you find publicly accessible .onion sites. The app itself is available on Google Play and complies with all platform policies. Using the Tor network to browse the web is legal in most countries.

What devices are supported?

The app runs on Android phones, tablets, and Chromebooks available on Google Play. It works on a wide range of Android versions.

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