Video Downloader - Download M3U8, MP4, HLS and Live Streams
Tools
Download videos from popular video websites quickly and easily. Save the most popular video formats like mp4 and m3u8.
Users
300K
Rating
4.8
Reviews
2,307
7D Growth
0|0%
Growth signalNo paid features detectedMedium-risk permissions
NoMarkVideo: Sora Watermark Remover & Downloader
Download clean OpenAI Sora videos in 1080p/4K. The #1 Watermark Remover and MP4 Downloader for Sora.chatgpt.com. Fast & Free.
Users414Current public install base
Rating3.8Store average score
Reviews10Public review volume
Manifest versionV3Extension platform version
7-day growth+1Net users gained this week
7-day growth rate+0.24%Relative weekly velocity
Preview
6 assetsNoMarkVideo: Sora Watermark Remover & Downloader Media preview
Trend
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User Growth Over Time
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7-day rating trend
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7-day rating change
Start
3.80
Latest
3.80
7-day rating change
0.00
2026年7月14日2026年7月18日
Growth overview
Daily, weekly, and monthly growth
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1-day growthNo data
----7-day growthGrowing
+1+0.24%30-day growthNo data
----Technical snapshot
Version, languages, and crawl freshness
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Version1.0.2
ManifestV3
Size120KiB
Languages6Deutsch / English / español +3
Published
Store updated
Last crawled
DeutschEnglishespañolfrançais中文（中国）日本語
Overview
Product summary
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Create professional content without the distractions. NoMarkVideo allows you to download clean, watermark-free videos from OpenAI's Sora platform instantly.
Whether you are a content creator, editor, or AI enthusiast, you need your video files raw and clean. NoMarkVideo handles the processing efficiently, giving you a direct MP4 download link without quality loss.
✨ Key Features:
- One-Click Removal: Automatically detects the video ID on the page.
- In-Feed Downloader: Download buttons appear directly on Sora Explore videos for fast saving.
- Instant Preview: Watch the clean version inside the extension before you download.
Reviews
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Store average score3.8Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average4.4Average computed only from synced review bodies below
Reviews with text7Synced review bodies
Total ratings / reviews10Chrome Web Store public rating/review count
Store average score: 3.8. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.
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I strongly advise against installing this extension. After testing it carefully, I discovered that it does not simply export Sora media or prompts as advertised. Instead, it silently routes downloads through the dyysy website, where user-generated videos are collected, stored, and later re-uploaded to social media platforms for monetization without the original creator’s consent. This is extremely concerning for several reasons: Users believe they are downloading their own Sora outputs, but the files are first sent to a third-party server There is no clear disclosure that content is being uploaded or reused Some of the same “downloaded” videos later appear on other platforms under unrelated accounts This behavior strongly resembles content scraping + resale, not a legitimate export tool From a security and creator-rights perspective, this is unacceptable. It feels intentionally deceptive and qualifies as a phishing-style plugin designed to harvest valuable AI-generated media and prompts. If you care about protecting your content, your prompts, and your account security, do not install this extension. I hope the platform reviews this plugin carefully and removes it as soon as possible.
This is a must-have if you have access to OpenAI Sora. It makes saving your creations so much easier.
Simple, fast, and effective. The direct MP4 download link is a life saver compared to screen recording.
Hahaha Game changer for Sora videos. Download speed is fast and the quality is top notch.
Finally found a watermark remover that keeps the video sharp. Essential for anyone making content with AI.
I love the dark mode design 😍. It fits perfectly into the extension and makes it super easy to download clean videos.
Super useful extension. It’s the only one I’ve found that can remove the watermark without messing up the video glitching. 5 stars.