Add-on crashes Firefox or freezes pages
The add-on crashes Firefox, freezes pages, or runs out of memory, especially with many tabs or on video sites.
Tier I · Proven The best-established problems.
12 public reports · first reported 4 October 2017 · last reported 4 February 2026
What's going wrong
Many users report that Firefox locks up, crashes, or uses gigabytes of memory while the add-on is active.
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 12 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.