Support & FAQ
Subshack is a browser extension for Chrome and Firefox that shows Substack creators what actually grows their publication, and helps them draft better Notes and replies. You review and publish everything yourself. This page answers the questions we actually get asked. If yours is not here, email hello@subshack.pro and we will reply.
Getting started
1Install Subshack from the Chrome Web Store or Firefox Add-ons.
2Click the Subshack icon: your workspace opens at subshack.pro/app, detects the publication of your signed-in Substack account and runs the first sync.
3Inside Substack, the Subshack buttons and the Campaign panel stay where you write.
New to Notes as a growth channel? Start with Notes that get replies or Substack Notes templates. You can also run the free Substack profile audit without installing anything.
Common questions
Does Subshack post, follow or like for me?
No, never. Subshack only drafts text and puts it in front of you. It never posts, follows, likes, restacks or messages on your behalf. You review every draft and press publish yourself, inside Substack.
How do I install it?
Install Subshack from the Chrome Web Store or Firefox Add-ons, then open substack.com and refresh any tab you already had open. Extensions are only injected into pages loaded after the install, so a tab opened beforehand will look untouched until you reload it.
Where do I see my stats?
In your workspace at subshack.pro/app. It shows the data the extension collects in your browser: the page reads it from the extension, nothing is uploaded to display it.
The Subshack buttons do not appear on Substack.
Three things to check, in order. 1) You are on substack.com or a *.substack.com publication. Subshack does not run anywhere else. 2) You reloaded the page after installing or updating the extension. 3) The extension is enabled in chrome://extensions (about:addons on Firefox). If a publication uses its own custom domain, open it once from substack.com so Subshack can attach to it.
Which permissions does Subshack ask for, and why?
Storage (keep your prompts, settings and article library on your device), scripting (add the Subshack buttons to the Substack page), context menus (the right-click actions), and alarms (refresh your stats in the background). Its required host permissions are limited to substack.com, subshack.pro and saas-maker.com. If your publication uses a custom domain, Subshack asks once for that exact domain during connection and returns to the workspace automatically. It does not request notification access.
Can I use Subshack without any AI?
Yes. In your workspace, open Settings → Privacy and tick "Disable AI features (classification & generation)". Nothing is sent anywhere after that: the generative surfaces are removed from the interface rather than left inert, so the Substack composer goes back to being strictly native. The non-generative parts (your stats, Goal and People) keep working, because they never call a model in the first place.
How do I delete my data?
For a reset that keeps your settings, open Settings → Privacy in your workspace and use "Delete my Subshack data": it clears collected data locally and from your linked backup. To start over as a genuinely new user, use "Delete my account" in the same screen and type DELETE: it permanently removes the Subshack profile, keys, campaigns, automations, histories, cloud data, and everything stored by the extension.
What is sent off my device when I generate something?
Only what the model needs for that one request: the Note or draft you are working on and the settings that shape the output. Your prompts, your settings and your local article library stay in your browser. The Privacy Policy lists exactly which three features leave your device and what they send.
How do I change what Subshack writes?
Every prompt is editable in Settings → Content defaults, with a live preview of the resolved text and the list of variables you can use. If the tone is off, change the prompt rather than rewriting each draft by hand: it is the fastest way to make the suggestions sound like you.
Is Subshack free?
Yes, Subshack is free to install and use. If a paid plan arrives later, existing users will be told before anything changes.
Is there a Firefox version?
Yes. Subshack has been published on Firefox Add-ons since September 2026. Chrome and Chromium-based browsers (Edge, Brave, Arc, Vivaldi) install it from the Chrome Web Store listing. Get Subshack for Firefox →
Still stuck? Contact us
Email hello@subshack.pro with your browser version and, if the problem is visible on screen, a screenshot. It is usually enough to identify the cause on the first reply. Bug reports and feature requests both land in the same inbox and are read by the person who builds Subshack.
Subshack is published by 404-DEV, INC. See the Privacy Policy for exactly what leaves your device, and the guides for how to actually grow with Notes.