Filter YouTube videos and comments by titles, channels, IDs, users, or comment text with this browser extension.
Open source
24 alternativesytclipper
ytclipper marks up YouTube or local videos in a browser and generates video clips.
About ytclipper
yt_clipper is an open source project on GitHub for marking up online videos and generating clips. It supports YouTube, WeVerse, Naver TV, and AfreecaTV, and can also mark up local videos through a hosted page at exwm.github.io/yt_clipper.
It works in two parts. A browser userscript adds a graphical interface to the video page for adding markers and adjusting settings with keyboard shortcuts. The marks are saved as small JSON files in plain text that can be read, edited, and shared. A separate clipper script then processes those files to generate clips, which are saved as webm files in an output folder.
The setup requires installing a userscript extension such as Tampermonkey, preferably in Chrome, then installing the markup and clipper components and following the quickstart guide. It suits people who are comfortable with GitHub repositories, manual installation, and script-based tools and who want a shareable way to define video clips.
Key features
- Mark up YouTube videos in the browser
- Mark up local videos on hosted page
- Save clip definitions as shareable JSON files
- Generate webm clips with clipper script
- Supports WeVerse, Naver TV, and AfreecaTV
- Keyboard shortcuts for markers and settings
Best for: People comfortable with userscripts and manual setup who clip YouTube and similar platform videos.
Good for
- Open source code available on GitHub
- Marker files are small plain text and shareable
- Covers online platforms and local videos
- Includes quickstart guide and video tutorials
Watch out for
- Requires userscript extension and manual installation
- Works best on Chrome with Tampermonkey
- No automated update mechanism
ytclipper at a glance
- Website
- github.com/exwm/yt_clipper
- Category
- Social & Communities › YouTube Tools
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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ytclipper FAQ
What does yt_clipper do?
It lets you mark sections of YouTube or local videos in a browser and save the marks as JSON files to generate clips.
How do I use yt_clipper?
Install a userscript extension such as Tampermonkey, install the markup script, add markers on a video page, save the JSON, then process it with the clipper script.
Which sites does yt_clipper support?
The repository lists YouTube, WeVerse, Naver TV, and AfreecaTV, plus local videos through its hosted page.
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