addoncrop.com
Addoncrop.com is a browser-extension website built mainly around downloading and converting video or audio from sites such as YouTube and SoundCloud.
What does Addoncrop.com actually offer?
The Addoncrop home page groups its tools into video downloaders, music downloaders, browser extensions, and help pages.
Its main product is the YouTube Video Downloader, which the site says can save video, audio, subtitles, thumbnails, screenshots, and short clips.
The same page also lists extras such as dark mode, looping, picture-in-picture, audio-only play, smart pause, and custom playback quality.
Addoncrop also promotes a YouTube MP3 Converter and a SoundCloud Music Downloader for people who mainly want audio files.
This makes Addoncrop feel less like one small downloader and more like a set of tools that changes how media sites work inside the browser.
How does Addoncrop work in Chrome?
The biggest thing to know is that Addoncrop is not a normal one-click Chrome extension in the usual sense.
Its installation guide says Chrome users can install Addoncrop through an emulator, while Firefox users can use a userscript manager such as Tampermonkey.
For Chrome, the current route points users toward Foxified, a separate Chrome Web Store extension that can emulate some Firefox extensions.
The Foxified store page showed about 700,000 users, a 4.8 rating from roughly 7,000 ratings, and an update dated August 12, 2026 when checked.
Addoncrop's own YouTube downloader page showed version 17.9.7 with an August 18, 2026 update, so the project appears active rather than abandoned.
This setup is more complex than installing one tool from the Chrome Web Store, so new users should read every permission screen before they continue.
What stands out about the YouTube downloader?
Addoncrop tries to win by putting many controls right on the YouTube page.
Its site says users can choose different video quality levels, convert audio, cut a section, save subtitles, grab thumbnails, and take screenshots.
That can be handy because a person does not need to copy a link into a new converter page every time.
The product page also claims support for very high video quality, although the same page uses both 4K and 8K language in different places.
That mixed wording is a small sign that readers should test the result they actually get instead of trusting every marketing line.
A 2026 third-party test also liked the easy browser workflow but reported that output quality and long-download stability could vary.
Is Addoncrop.com safe to use?
There is no simple yes-or-no answer because the current signals do not all point the same way.
The Foxified Chrome Web Store page says its publisher has a good record with no history of violations, and it says Foxified itself does not collect user data.
Addoncrop's privacy policy says the wider service may collect items such as an email address, name, IP address, browser data, device data, and usage data.
The policy page says it was last updated on December 12, 2021, which is old compared with the 2026 extension updates.
Independent feedback is also much more negative than the Chrome Web Store score for Foxified.
Trustpilot reviews showed a 1.8 out of 5 score from 15 reviews when checked, and several reviewers alleged adware, redirects, or malware.
Those reviews are user claims rather than proof that every current Addoncrop build is harmful, but they are serious enough to justify care.
Google's extension security guide also warns that browser extensions can have powerful access, so users should grant only permissions that make sense for the feature they want.
What should you check before installing it?
Start by checking the exact extension name, publisher, update date, and permissions on every install screen.
Avoid giving a media tool broad access that you do not understand, and remove it if your browser behavior changes in a way you did not expect.
It is also smart to read the current privacy policy before sharing personal data because Addoncrop's published policy describes tracking and usage data collection.
For downloads, use content you own, content you have permission to save, or content that the law allows you to use.
YouTube's terms say users may not download content unless the service permits it, the rights holder allows it, or the law allows it.
Who is Addoncrop.com best for?
Addoncrop may appeal most to people who want download and playback tools built directly into media pages and who are comfortable checking extension permissions.
Its feature list is wider than a basic save-video button, and the project was still receiving updates in August 2026.
The trade-off is trust and setup complexity, because the install path uses another extension and public feedback is sharply mixed.
The best way to judge Addoncrop is to treat its long feature list as a promise to verify, not as proof by itself.