HLS playlist downloads fail to merge into MP4
HLS playlist downloads stay unplayable or never merge into one MP4 file, including on Android.
Tier II · Emerging Problems that are still building up.
3 public reports · first reported 27 February 2024 · last reported 17 January 2026
What's going wrong
Reviewers say that streaming playlists saved by this Firefox add-on do not turn into a usable video.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 3 reports are about, and how many came each month.
- Related problems.
No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.