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October 13, 2023

Flash Doesn't Work in Incognito?

When you're in Incognito mode, Chrome doesn't store any history, cookies, or form data — and it shouldn't be able to track you either. But when you visit a website, your device (or, more precisely, your public IP address) sends requests to many servers, switches, and hubs along the way. These may be operated by your Internet Service Provider or other third parties who are able to see what you're looking at, even when you're using Incognito.

That's why we recommend using a VPN for secure browsing, and clearing your browser history regularly to avoid leaving traces behind. You can also try using another web browser such as Opera that supports flash.

If you're running Chrome 76 or higher, we've made a change that may cause flash not to work in incognito. Previously, some sites were able to detect when you were in Incognito by checking the availability of a feature called the FileSystem API. This allowed some people to get around paywalls and other restrictions on their sites. Starting in 76, Chrome blocks this API by default and prevents sites from detecting that you're in Incognito.

This might affect some sites that depend on it to show Flash content when you open them. In those cases, you'll see a message asking if you want to enable Adobe Flash Player for the site. If you trust the site, click Allow. If you're seeing this message frequently, we encourage you to report it in the feedback forum so that we can improve the experience.