Chrome Web StoreNo malware found
In code review
Our reviewer read this extension’s code and found no malicious behaviour. An automated risk flag was reviewed and overturned.
What our analysis found
FetchV - Video Downloader for m3u8 & hls, used by 800,000 people, showed no malicious code in Extension Auditor's review. Its permissions mean it can inject scripts into pages and can observe network requests. It comes from a trusted publisher and was last updated in September 2025.
The extension is a legitimate video downloader that monitors network requests to detect media files and provides recording capabilities. All network access and content script injection are necessary for its core functionality. Detected media data is passed to the publisher's own website () for download processing, with no third-party exfiltration. The ML model's low score (0.00) is correct; the third-party risk assessment is overly sensitive to broad permissions that are standard for this category.
FetchV - Video Downloader for m3u8 & hls
ID: nfmmmhanepmpifddlkkmihkalkoekpfd
Supported Languages
Extension Info & Metadata
Publisher Contextual Analysis
- Author
- fetchv.netView Profile
- Privacy
- Privacy Policy
- Help
- Help Center
- MX records exist
- Yes
- Domain exists
- Yes
- Is disposable
- No
- Is role-based
- No
- Mailbox exists
- Yes
- Website
- Visit
Screenshots & videos
Install growth
Each row lists a threat category the scanner evaluates. A checkmark means the review ran and found no matching issues in that category for this version.
Data Exfiltration
Code review completed; no malicious patterns detected for this category.
Unauthorized Data Collection
Code review completed; no malicious patterns detected for this category.
Network Interception
Code review completed; no malicious patterns detected for this category.
Code Injection
Code review completed; no malicious patterns detected for this category.
Credential Theft
Code review completed; no malicious patterns detected for this category.
Obfuscation
Code review completed; no malicious patterns detected for this category.
Tracking
Code review completed; no malicious patterns detected for this category.
Privilege Escalation
Code review completed; no malicious patterns detected for this category.
Phishing
Code review completed; no malicious patterns detected for this category.
Remote Code Loading
Code review completed; no malicious patterns detected for this category.
Other
Code review completed; no malicious patterns detected for this category.
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About this extension
The video downloader for saving web videos and live streams.
Read the publisher’s full description
Features: 1. Supports HLS video (streaming video indexed by m3u8 file), integrating all media fragments into a single MP4 file. 2. Supports HLS live streaming. 3. Supports videos or live streams with a 'blob' prefix in the player's src address. For such media, when the actual media address cannot be detected, the "recording mode" can be used to convert the buffered data into an MP4 file. 4. Supports various static videos or audios that can be played on web pages, such as MP4, WEBM, etc. 5. Supports streaming MP4 (HLS v7, may add support for "MPEG-DASH" in the future). 6. Uses multi-thread downloading, which can significantly increase the download speed in good network conditions, very useful for downloading large files. 7. Supports switching resolutions, available when the HLS video's m3u8 file provides multiple resolutions. 8. Provides media preview, if multiple media are captured on a page, you can confirm your target through the preview. 9. Provides a feature-rich download interface, where you can know the download speed, progress, and perform operations like switching download threads, switching resolutions, and modifying file names. 10. All the work of this tool is done in your browser, without using any third-party servers to transmit or convert media data. Notes: 1. This tool is only applicable to videos that comply with technical standards, and it does not work for videos using non-standard playback technologies. It does not have special adaptations for specific websites. 2. It does not support encrypted videos, and we are not responsible for any media you download. It is recommended to check the copyright of the media before downloading. 3. Although this tool has been adapted to popular web videos, it cannot guarantee absolute success in the adapted scope. If it doesn't work for you, please try other tools as an alternative.
User reviews
Extension files
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URLs
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Code Diff
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