What it does
The extension eliminates the need to manually add debug parameters to URLs during HubSpot CMS development. With one click, you can toggle debug modes, bust caches, and access backend developer settings without typing query parameters.Debug mode toggle
Quickly add
hsDebug=true to your current page to see detailed debug informationCache buster
Add
hsCacheBuster={timestamp} to bypass HubSpot’s caching systemBackOffice dev mode
Enable
developerMode=true for accessing HubSpot backend featuresAuto-apply to links
Automatically propagate debug parameters to internal links on the page
Key features
Badge indicator
The extension displays a badge on the toolbar icon showing how many debug parameters are currently active on the page. This gives you instant visibility into your development environment state.Domain management
You control which domains the extension manages. When you enable a debug parameter, the domain is automatically added to your allowed list. This prevents accidental parameter injection on non-development sites.Session persistence
Debug parameters can persist across page navigations on allowed domains. Navigate through your HubSpot site without losing your debug settings.HubL quick links
Get fast access to HubL documentation for:- Functions
- Variables
- Filters
- Loops
- If statements
- HubDB
Who it’s for
This extension is built for HubSpot CMS developers who:- Build and maintain HubSpot CMS websites
- Debug HubL templates and modules
- Need frequent access to HubSpot’s debug modes
- Want to streamline their development workflow
The extension works on both Chrome and Firefox browsers and does not collect any personal data.
Next steps
Installation
Install the extension from the Chrome Web Store or Firefox Add-ons
Quickstart
Get from installation to your first debug parameter in under 5 minutes