Using in-app browsers could give easy access to your private information. | Photo by Amelia Holowaty Krales / The Verge

Did you know you’re potentially being tracked when you load an in-app browser on iOS? A new tool reveals exactly how, showing how applications like TikTok and Instagram can potentially use JavaScript to view sensitive data, including your address, passwords and credit card information, without your consent.

The tool can be found at InAppBrowser.com. All you need to do is open the app you want to check and share the InAppBrowser.com URL somewhere within it — such as DMing the link to a friend or posting it in a comment. From there, you can tap the link and get a report from the website on what scripts are running in the background.

All you need to do is open the app you want to check, and share the InAppBrowser.com URL somewhere within it

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