Debugger for Firefox

firefox-devtools.vscode-firefox-debug · by Firefox DevToolsVS Marketplace VerifiedOpen VSX Verified

First Released:

Last Updated:

Debug your web application or browser extension in Firefox

Historical performance

7d 15d 30d 90d 1y All

VISUAL STUDIO MARKETPLACE

Installs growth

Last snapshot: Nov 5, 2026, 22:03 UTC

Total installs5.5M

Observed growth14.1K+0.3% since earliest snapshot

Community rating★ 4.447 reviews

Latest version2.15.0Updated Feb 28, 2025

10 calculable days · 0 without calculable growth.

OPEN VSX

Last snapshot: Nov 5, 2026, 22:15 UTC

Total downloads410.7K

Observed growth4.7K+1.1% since earliest snapshot

Community rating★ 5.01 reviews

Latest version2.15.0Updated Feb 28, 2025

10 calculable days · 0 without calculable growth.

Categories ranked by installs on Marketplace and downloads on Open VSX.

Term	Marketplace	Open VSX
DebuggersCategoryMarketplace · 2026-11-05 22:20 UTCOpen VSX · 2026-11-05 22:23 UTC	#26 of 3,154 0 1d0 7d	#33 of 840 0 1d↓1 7d

Checked daily for up to 1,000 results per term. Changes appear when historical data is available.