A cloud-powered video processing tool that automatically generates subtitles and renders high-quality captioned videos in seconds.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install free-subtitle-generator
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install free-subtitle-generator using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Free Subtitle Generator?
Free Subtitle Generator is a professional-grade AI tool designed for content creators and YouTubers who need fast, accurate captioning. By leveraging cloud GPU nodes, this Openclaw Skills integration transforms raw video files into polished, captioned content with support for multiple languages and high-definition exports.
The skill streamlines the video editing workflow by handling complex tasks like audio transcription, text synchronization, and visual compositing. Whether you are creating a quick social media clip or a detailed tutorial, this tool provides a seamless bridge between raw footage and a distribution-ready MP4 file.
Free Subtitle Generator Use Cases
- Adding English and Spanish captions to YouTube tutorials for a global audience.
- Converting raw MOV or AVI recordings into 1080p MP4 files with hardcoded subtitles.
- Rapidly processing batches of short social media clips under 5 minutes.
- Generating text overlays and BGM tracks for silent video loops.
How Free Subtitle Generator Works
- Authentication: The skill checks for a NEMO_TOKEN or automatically generates an anonymous token with 100 free credits.
- Session Initialization: A project session is created to track timeline edits and media assets.
- Media Upload: Users provide video files (up to 500MB) which are uploaded to the cloud rendering pipeline.
- Instruction Processing: The AI interprets natural language commands (e.g., "add captions") to modify the video timeline.
- Cloud Rendering: A GPU node composites the video layers, applying H.264 compression at resolutions up to 1080p.
- Export & Delivery: The system polls the render status and provides a direct download link for the final MP4.
Free Subtitle Generator Setup
This Openclaw Skills component requires a connection to the Nemo Video cloud backend. Follow these steps to initialize:
# The skill automatically attempts to find your token
# If not found, it will provision an anonymous session
export NEMO_TOKEN="your_token_here"
Ensure your configuration path is accessible at ~/.config/nemovideo/ for persistent session management.
Free Subtitle Generator Data Schema & Taxonomy
The skill utilizes a structured draft mapping system to manage the video timeline and assets:
| Key | Definition | Details |
|---|---|---|
t |
Tracks | Array of all media layers |
tt |
Track Type | 0: Video, 1: Audio, 7: Text |
sg |
Segments | Specific timing for clips or captions |
d |
Duration | Length of the asset in milliseconds (ms) |
m |
Metadata | Technical specs and file info |
Supported Formats: MP4, MOV, AVI, WebM, MKV (Video); MP3, WAV, M4A (Audio); JPG, PNG, GIF (Images).
Free Subtitle Generator Advanced Features
- Multi-Language Support: Generate and burn-in subtitles in multiple languages simultaneously.
- State Persistence: The session-based architecture allows you to close the interface and return to your timeline without losing progress.
- Cloud GPU Rendering: Offloads heavy video encoding from your local machine to high-performance remote nodes.
- Automated Credit Management: Real-time balance tracking and automatic token renewal for uninterrupted workflows within the Openclaw Skills ecosystem.
SKILL.md
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