> For the complete documentation index, see [llms.txt](https://docs.optis.me/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.optis.me/swatch/global-settings/global-settings-overview.md).

# Global settings overview

**Global Settings** control behaviors and appearance that apply across your whole store, no matter which display type a product uses.

<figure><img src="/files/o2gCJy4hGjoglRiTgLDG" alt="The Global settings page showing the Out-of-stock display, Two-color swatch split, and tooltip settings"><figcaption></figcaption></figure>

Open the **Global settings** page in the app to manage:

| Setting                                                                     | What it controls                                                         |
| --------------------------------------------------------------------------- | ------------------------------------------------------------------------ |
| [**Out-of-stock display**](/swatch/global-settings/out-of-stock-display.md) | How unavailable variants look: no change, strike-through, or hidden      |
| **Two-color swatch split**                                                  | How a swatch with two colors is split: diagonal, horizontal, or vertical |
| **Tooltip**                                                                 | Show the option value name in a tooltip when hovering a swatch           |
| **Image swatch size**                                                       | The pixel size used to render image swatches                             |
| [**Custom CSS**](/swatch/global-settings/custom-css.md)                     | Advanced styling with your own CSS                                       |

## Tooltip

Turn **Tooltip** on to show the option value (for example, "Royal Blue") in a small tooltip when a customer hovers over a swatch. This is helpful when the color alone is not obvious.

## Image swatch size

Image swatches are rendered at a fixed size (default **450 x 450 px**, adjustable from 20 to 1200). If you increase the swatch display size but swatches look blurry, raise this value so the source image is sharp.

<figure><img src="/files/k61WeuN7SfoJ57RqAiIQ" alt="Swatch image optimization width and height settings in Global settings"><figcaption></figcaption></figure>

{% hint style="info" %}
See [Why is my image swatch blurry, and how can I fix it?](/swatch/frequently-asked-questions/why-is-my-image-swatch-blurry-and-how-can-i-fix-it.md) for details.
{% endhint %}

Remember to click **Save** after changing any global setting.


---

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