Deeplink Tester
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A utility for testing deeplink functionality. Check how your application links work, test various URL schemes.
What it is and why
A deep link opens a specific screen inside a mobile app rather than a website: a product card, a chat, a profile. It can be a custom URL scheme such as myapp://orders/42, or a normal https address that the OS intercepts through Universal Links (iOS) and App Links (Android).
Testing these links is awkward: messengers often swallow them and a desktop browser simply cannot open them. This page is a neutral launch point — paste the link, press the button, and the browser honestly tries to open it, exactly as it would for a real user.
How to use it
- Open this page on the phone where the app under test is installed.
- Paste the deep link — a custom scheme (myapp://…) or an https URL configured for Universal / App Links.
- Press Open. If the app claimed the link it launches on the right screen; if not, you stay in the browser — that is a test result too.
- Recent links are kept in your browser so you can repeat the check after every build without retyping.
When it helps
- Mobile development: confirm the scheme is registered and the route is parsed correctly.
- Marketing and email: make sure a link from a newsletter or push notification lands on the intended screen, not the home page.
- Support: reproduce a “the link does not open the app” complaint on a specific device.
Frequently asked questions
Why does nothing happen on my computer?
Schemes like myapp:// are only understood by a device with the app installed. On a desktop the browser shows an error or does nothing — test from a phone.
The https link opens the website instead of the app. Is that a bug?
Usually a configuration problem with Universal Links or App Links: the apple-app-site-association / assetlinks.json file is missing or served with the wrong headers. Sometimes the OS remembered an “open in browser” choice that has to be reset in the app settings.
Are my links stored on the server?
No. The history lives only in your browser’s localStorage and is never sent anywhere.