Documentation Index
Fetch the complete documentation index at: https://vidow.io/docs/llms.txt
Use this file to discover all available pages before exploring further.
Detection tips
Single-page applications
Modern web apps built on React, Vue, Angular, and similar frameworks navigate between views without triggering full page loads. Video Downloader Plus includes a navigation observer that watches for route changes on these sites and automatically re-scans for new video content whenever the URL changes. You do not need to close and reopen the extension or refresh the page — the badge updates on its own when a new stream is found after an in-app navigation.Play the video before checking the popup
A significant number of platforms use lazy initialization: the video stream manifest is not fetched until the viewer presses play. If you open the Video Downloader Plus popup and see no results, close it, start the video, wait two or three seconds for the player to request its stream data, then open the popup again. The badge will reflect the detected stream count once the network request has fired.Pages with multiple videos
When a page contains several videos — a course module list, a media archive, or a social feed — Video Downloader Plus tracks all of them simultaneously. Opening the popup reveals every stream that has been detected on the current page, listed individually. You can pick and download any of them without needing to navigate to a dedicated video page.Download tips
Prefer progressive downloads when available
Some platforms serve both a direct MP4 file and an HLS stream for the same content. These are not equivalent from a download perspective. A progressive MP4 is a single file: one request, one transfer, done. An HLS download requires Video Downloader Plus to fetch potentially hundreds of small segments and assemble them afterward. When a direct MP4 is available at your target quality, use it — it is simpler, faster, and produces a cleaner output file.Match your format to the destination device
The right container format depends entirely on what you plan to do with the file. Use format conversion (Professional plan) to target the appropriate output:| Destination | Recommended format |
|---|---|
| iPhone or iPad | MP4 or MOV |
| Android phone or tablet | MP4 or WebM |
| Windows or macOS general playback | MP4 |
| PC with multiple audio tracks or subtitles | MKV |
| Web embedding | WebM |
| Professional video editing (Final Cut, Premiere) | MOV or MKV |
Long video downloads
Very long recordings — two-hour lectures, full-length films, multi-hour live stream archives — require some preparation:- Check the estimated file size in the popup before starting. A 1080p stream at two hours can easily exceed 3–4 GB.
- Use a stable wired or Wi-Fi connection. Cellular and shared Wi-Fi connections are more likely to interrupt an HLS segment fetch mid-download.
- Keep the Video Downloader Plus tab open and active throughout the download. HLS segment downloads run in the context of the browser tab. Closing it stops the process.
- If an HLS download stalls or errors, use the retry option shown in the popup. Video Downloader Plus can resume segment fetching from where it stopped for most streams.
Cloud storage tips
Organize with dedicated folders
Video Downloader Plus saves files to a dedicated folder on your connected cloud provider (Google Drive, Dropbox, AWS S3, or Cloudflare R2). For long-term storage, consider creating subfolders within that directory by content category — courses, research, archived footage — so you are not sorting through a flat list later.Pause and resume large uploads
Uploads to AWS S3 and Cloudflare R2 use multipart upload, which means they can be paused and picked up later without starting over. This is useful when you need to switch networks, temporarily prioritize bandwidth for something else, or if your connection becomes unreliable. The upload state persists across browser sessions — you can safely close Chrome and resume from the Video Downloader Plus popup when you return.Check connection health regularly
Cloud storage connections can break without obvious warning — OAuth tokens expire, access is revoked from the provider’s side, or authorization lapses after a password change. Monitor your connection status at vidow.io/cloud-sync. Connection states:- Healthy — The connection is active and uploads will work
- Broken — Authentication has expired or failed. Reconnect from the Cloud Sync page to restore access.
- Revoked — The provider has cancelled the authorization (for example, you removed Video Downloader Plus’s access from your Google account settings). Re-authorize from scratch to reconnect.