> 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/frequently-asked-questions.md).

# Frequently Asked Questions

- [How does the OPTIS Color Swatch app work?](https://docs.optis.me/swatch/frequently-asked-questions/how-does-the-optis-swatch-app-work.md)
- [How to have swatch change image upon clicking?](https://docs.optis.me/swatch/frequently-asked-questions/how-to-have-swatch-change-image-upon-clicking.md)
- [Why aren’t my swatches showing up on the store?](https://docs.optis.me/swatch/frequently-asked-questions/why-arent-my-swatches-showing-up-on-the-store.md)
- [How can I make swatch options change the main product image when clicked?](https://docs.optis.me/swatch/frequently-asked-questions/how-can-i-make-swatch-options-change-the-main-product-image-when-clicked.md)
- [Can I display swatches/button/dropdown on the collection page?](https://docs.optis.me/swatch/frequently-asked-questions/can-i-display-swatches-button-dropdown-on-the-collection-page.md)
- [Is it possible to customize how swatches look?](https://docs.optis.me/swatch/frequently-asked-questions/is-it-possible-to-customize-how-swatches-look.md)
- [Why is my image swatch blurry, and how can I fix it?](https://docs.optis.me/swatch/frequently-asked-questions/why-is-my-image-swatch-blurry-and-how-can-i-fix-it.md)
- [How to change image on hovering?](https://docs.optis.me/swatch/frequently-asked-questions/how-to-change-image-on-hovering.md)