# Tampermonkey

Firefox extension · by Jan Biniok · Web Development

Tampermonkey has 799,242 daily users (+1.6% this week), rated 4.7 from 5,328 ratings, \#3 of 13,717 in Web Development.

## Figures

- Daily users: 799,242
- Rating: 4.7 · 5,328 ratings
- Weekly downloads: 17,200
- 1-day growth in daily users: +4,826 (+0.6%)
- 7-day growth in daily users: +12,647 (+1.6%)
- Rank: #21 of 426,510 by installs on Firefox
- Rank: #3 of 13,717 in Web Development

## Reviews

- Ratings by stars: 5★ 87% · 4★ 5% · 3★ 2% · 2★ 1% · 1★ 5% (5,328 ratings)
- Newest critical reviews (in every language):
  - 1★ 2026-09-30, ritualfox: unfortunately there is a massive issue of memory leaking problem on firefox and it is very annoying because enventully it will consume lots of memory resource causing lagging on some specific sites.
  - 1★ 2026-09-08, Firefox user 20149574: mohitjalap2009@gmail.com
  - 1★ 2026-08-09, Firefox user 20088759: This extension connects to Google when in Dashboard
  - 2★ 2026-07-31, Mylhan: pop up pour vous dire de payer sans réson payant sur iOS et macOS et pas OpenSource et avec un bot qui ne sert a rien je pense que ces l'un des pire userscript manager
  - 2★ 2026-07-23, Marty: Traurig das Tampermonkey downgradet werden muss damit Tampermonkey nicht zwangsweise die Tabumgebungen in Firefox aktiviert. Als User wünsche ich die Tabumgebungen zu deaktivieren weil ich keine Verwendung dafür habe. Für Tampermonkey habe ich die automatischen Updates deaktiviert sonst habe ich ja …

## Description

Tampermonkey is the world's most popular userscript manager.

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Source: https://storetally.com/firefox/683490/tampermonkey  
As of 2026-10-15, from the StoreTally census.