If your premium status vanishes every time you restart your computer, your browser is likely clearing its cache and local storage upon exit. To fix this, go to your browser settings, navigate to Privacy & Security, and add an exception for Video DownloadHelper so its local data is never deleted. Watermark Still Appears on New Downloads
Browser extensions have migrated to a stricter framework mandated by Google and Mozilla. This update changes how extensions interact with your local computer, meaning your previously saved license details might have been wiped from your browser's local storage.
Sites offering cracked keys frequently distribute malware, adware, and browser hijackers disguised as key generators.
This usually happens if you try to use a Firefox-specific key on Chrome, or vice versa, without converting it first. Use the official account recovery tool to get your updated, cross-compatible key. Key Resets After Closing the Browser video downloadhelper license key updated
Use the official recovery tool if your license fails.
For users who prefer the older interface, version 9 of the legacy extension accepts old license keys and functions as expected.
The Video DownloadHelper (VDH) extension has recently moved to a more restricted "Premium" model, which has caused widespread confusion regarding license keys and the sudden appearance of watermarks . License Key Issues & Updates If your premium status vanishes every time you
In January 2025, over 35 browser extensions were compromised in a widespread attack. Some users mistakenly thought Video DownloadHelper was affected. However, the compromised extension was actually —a completely different product. The official confirmation states: "This extension is: Video DownloadHelper. The affected extension is: VidHelper - Video Download Helper" .
Licenses are generally not interchangeable between browsers. A Firefox license will not work on Chrome and vice versa.
In rare cases, the extension may show a valid license but still add watermarks to downloads. This can happen due to: This update changes how extensions interact with your
Video DownloadHelper receives regular updates to maintain compatibility with frequently changing websites. As of early 2026, the latest version for Firefox is , released on March 5, 2026, with a file size of approximately 3.8 MB and support for Firefox 115.0 and above. For Chrome users, the current version is 10.2.40.2 , updated on April 21, 2026.
: For high-quality (HD) or certain platform downloads, you must install an additional Companion Application alongside the browser extension. Troubleshooting License Issues Video Download-Helper
Installing a "cracked" extension gives a third party the ability to read your browser data, which can lead to stolen passwords or banking information. How to Get a Genuine, Lifetime License