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How do I change the theme in Notesnook? ​

Notesnook keeps two themes at once — one for light mode and one for dark mode — and switches between them based on your color scheme. You can pick both from the built-in theme store, or load a theme from a theme.json file.

Switch between light and dark ​

  1. Go to Settings.
  2. Open Customization → Appearance.
  3. Under Themes, set Color scheme to Light, Dark or Auto.

Auto follows your operating system, so Notesnook flips with it.

Faster switching on desktop

The side menu profile menu has a Toggle dark/light mode item, so you don't have to open settings.

Install a theme from the theme store ​

Every theme in the store is fetched from themes-api.notesnook.com and installed on your device. The list only shows themes that are compatible with the version of Notesnook you're running.

  1. Go to Settings → Customization → Appearance.
  2. Scroll to Select a theme.
  3. Type in the Search themes box to search, or use the All, Dark and Light filters to narrow the list.
  4. Click a theme to see its details, then confirm — or hover it and click Set as dark theme / Set as light theme directly.

A checkmark marks the themes you currently have applied.

Set separate light and dark themes ​

There is no separate "which theme goes where" setting — a theme's own color scheme decides it. Applying a dark theme replaces your dark theme; applying a light theme replaces your light theme. Your Color scheme setting then decides which of the two you see.

So to have both: install a light theme, install a dark theme, and set Color scheme to Auto (or Use system theme on mobile).

Load a theme from a file ​

If you have a theme.json file — one you built with the Theme Builder, or one that isn't published yet — you can apply it directly.

  1. Open the theme list as above.
  2. Click or tap Load from file.
  3. Pick the .json file. Notesnook validates it and shows the theme's details.
  4. Confirm to apply it.

If the file is missing required fields or isn't a valid theme, the app tells you instead of applying it. Full steps and caveats are on install a theme from file.

Where do the themes come from? ​

The theme store is an open collection. Themes are submitted as JSON files to the notesnook-themes repository, and once merged they appear in the store for everyone. If you have made a theme you like, you can publish it the same way.