Sticky Add to Cart Bar for Shopify
Keep the Add to Cart button in view. A slim bar slides in as shoppers scroll past your product form, with variant picker, quantity and live price built in.
Long product pages lose sales when the buy button scrolls out of sight. This bar fixes that. As soon as a shopper scrolls past your main product form, it slides in from the bottom (or top) with the product photo, title and live price, including the crossed-out compare-at price when the item is on sale.
Shoppers can pick a variant, set the quantity and add to cart without scrolling back up. The button uses Shopify's own cart, the same one your theme already uses, and sold-out variants are disabled automatically so nobody can add something you can't ship.
Setup takes a few minutes: paste one Liquid file into your theme, add the section in the theme editor and you're live. Position, colors and button text are all editable, it works on almost any Online Store 2.0 theme out of the box, and it's fully keyboard accessible.
Requirements
One Liquid section file. No app, no account and nothing to install beyond pasting it into your theme.
Compatibility
Works with any Online Store 2.0 theme, including Dawn and third-party themes. Shows on product pages only.
v1.0.0 Current Sep 25, 2026
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