Substack Notes Checker

Paste a draft Note and get instant, rule-based feedback - grounded in the same published Substack Notes research covered on this blog. Free, no signup, nothing leaves your browser.

Nothing you type here is sent anywhere - this runs entirely in your browser.0 words

Paste a Note above (or try an example) to see your score.

This checker uses generic rules. NotesIQ's AI Coach gives feedback based on your own best-performing Notes instead - try it free with the extension.