HubSpot Developer Mode Toggle

by Chris Asuncion · Developer Tools

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

Toggles developerMode=true on HubSpot editor pages.

Users

−4 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#94K

#78K among extensions

Version

1.0

updated 3 Jun 2025

Users

monthly, 17 months

Latest, 16 Oct 2026: 75 usersMove the mouse over the chart for any month

Ratings count

monthly, 17 months

Latest, 16 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About HubSpot Developer Mode Toggle

Enable developerMode=true instantly on HubSpot CMS editor pages with a single click. This lightweight Chrome extension is designed for developers working with HubSpot CMS. It adds a convenient toggle button that refreshes the page and appends ?developerMode=true to the URL when enabled, unlocking advanced developer tools on the design manager and content editor. Features Toggle developer mode on and off with one click Automatically updates the tab icon based on the current page state Works only on HubSpot CMS editor pages to avoid interference elsewhere Supports dark and light mode icons Perfect for: HubSpot theme developers CMS Hub power users Agencies managing multiple HubSpot portals