ConsoleNotify by Felipe Nascimento

Shows console logs, warnings and errors as on-screen notifications.

Download Firefox and get the extension

About this extension

ConsoleNotify turns your browser console into clean, animated on-screen notifications — no DevTools required.

Live overlay for console.log, info, warn, error and debug, color-coded by type
Groups identical consecutive messages into one toast with a counter badge instead of stacking duplicates
Expandable objects and arrays, just like the browser's own console
Shows the file and line for uncaught errors
Basic on-page SEO checks: missing title, missing meta description, missing/duplicate H1, missing lang attribute, images without alt text
Control bar with per-type counters that double as filters, plus pause, clear, and a collapsible layout
Customizable appearance: border radius, font size and opacity, adjustable live
Dark mode
All settings are saved locally and restored automatically

Source code available on GitHub.

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