Chrome Extension
Download any web video, instantly
BoltStream detects videos as you browse and lets you download them with one click. Supports MP4, HLS streaming, and more — all processed locally in your browser.
Features
Auto Detection
Videos are detected automatically as you browse. No manual setup needed.
HLS Streaming
Download HLS (m3u8) streams with multi-quality selection.
Parallel Downloads
Speed up large files with 1–3 parallel connections using Range requests.
Privacy First
Everything stays in your browser. No data is sent to any external server.
Large File Support
Downloads are buffered via OPFS — handles files over 10 GB without memory issues.
57 Languages
Full localization for all Chrome-supported languages.
How It Works
Browse
Visit any page with video content. BoltStream works silently in the background.
Detect
The badge shows the number of videos found. Click the icon to see the list.
Download
Pick a video, choose quality if available, and download with one click.
Frequently Asked Questions
Learn more about how BoltStream works and what makes it special.
Does BoltStream store downloaded videos?
No. BoltStream does not host videos, store downloaded files, or keep download history on any server. All videos are saved directly to your device, ensuring complete privacy.
Where are my videos stored after downloading?
Downloaded videos are saved based on your browser and operating system settings. In most cases, files are stored in your browser's default download folder.
Why doesn't BoltStream work on YouTube?
Due to Google Chrome Web Store and Developer Program policies, BoltStream does not support downloading videos from YouTube. Thank you for your understanding.
Are there any limits on video downloads?
No. BoltStream allows unlimited video downloads, so you can save as many videos as you like without limits, restrictions, or hidden caps on usage.
What file formats does BoltStream support?
BoltStream supports MP4, WebM, AVI, MKV, MOV, and HLS (m3u8) streams. Available formats and quality depend on the video source.
Why is my download speed slow?
Download speed depends on your internet connection and the video source. If a video downloads slowly, try reducing parallel connections or avoid playing the video while downloading for better speed.
Ready to Download Videos Without Limits?
Add BoltStream to your browser and enjoy fast, one-click video downloads.
Add to Chrome — Free