StreamCapture Toolkit: Download and clip audio streams - In Browser

About

Perfect for archiving social audio and video spaces from Twitter/X, saving important discussions, and creating clips of your favorite moments - all with just a few clicks. HLS & m3u8 audio and video streams supported.

Key Features:
- Capture high-quality Twitter/X audio and video streams in real-time
- Create clips from longer recordings
- Save audio and video content for offline listening and viewing
- Simple, user-friendly interface
- Local storage for your privacy


Ideal Uses:
- Save important segments from live broadcasts
- Create highlight clips from longer sessions
- Archive audio content for personal reference
- Build a library of memorable moments
- Save important segments from video broadcasts
- Create precise highlight clips from video sessions with easy-to-use time controls
- Archive video content for personal reference


Watch Video to see it in Action!


This extension processes everything locally on your device, ensuring your privacy and data security. Perfect for educational purposes, content analysis, and personal archiving.


Note: Please respect content creators and copyright holders. This tool is intended for personal, non-commercial use only.
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FULL Changelog
[Version 4.20.3] - 3-7-2025

Added:
- Video spaces now supported through JWT token analysis in stream URLs
- Direct input fields and fine adjustment arrows for precise time control in clip creation. Please keep in mind finetuning is only so accurate due to how segments and time work

Changed:
- Enhanced stream detection logic to accurately distinguish between audio and video streams
- Improved handling of stream information for both audio and video


[Version 4.20.2] - 1-11-2025]

Changed (Visual Updates Only, Core Function is same):
- Renamed extension to "StreamCapture Toolkit" to better reflect the extension's focused utility
- New app icon design with microphone and download arrow
- Updated storefront image with a more professional look showcasing the new icon and color scheme

[Version 4.20.1] - 12-26-2024]

Added:
- Duration validation system for accurate audio stream detection
- Extension context validation and error protection
- Improved stream monitoring and capture system
- UI enhancement: loading states and timeouts
- Manifest data preloading for faster initialization
- Unique ID system for play button tracking
- Exact duration extraction from time elements
- Unloading state tracking
- Comprehensive logging system

Changed:
- URL detection now uses strict validation for better accuracy
- Comprehensive header handling system implemented
- Fixed popup dimensions
- Button styling and interactions refined
- Resource types in declarativeNetRequest rules updated
- Enhanced click event detection and handling
- Improved state management system
- XHR interception made more selective 

Fixed:
- Navigation event errors
- Popup window layout shifts
- Clip control loading states
- Memory leaks in stream monitoring
- HLS initialization failures
- Cross-origin request handling
- Cleanup procedures
- Invalid state handling

Removed:
- Unrestricted resource types from rules.json
- Redundant URL validation checks
- Unreliable stream detection methods
- Automatic popup resizing