# Header/Footer Code Injector (CSS/JS)

> Inject CSS, JS and HTML into the PrestaShop header and footer without editing the theme. Page targeting, test mode, multistore, works with every theme. Free module.

- Page: <https://www.datafirefly.com/en/product/header-footer-code-injector/>
- Language: en
- Last updated: 2026-10-11
- Platform: PrestaShop
- Category: Free
- SKU: DF-CODEINJECTOR-PL
- Other languages: [fr](https://www.datafirefly.com/product/injecteur-code-header-footer/index.md), [es](https://www.datafirefly.com/es/producto/inyector-codigo-header-footer/index.md), [de](https://www.datafirefly.com/de/produkt/header-footer-code-injektor/index.md), [it](https://www.datafirefly.com/it/product/iniettore-codice-header-footer/index.md), [pl](https://www.datafirefly.com/pl/produkt/wstrzykiwanie-kodu-naglowek-stopka-prestashop/index.md), [nl](https://www.datafirefly.com/nl/product/injecteur-code-header-footer/index.md), [pt](https://www.datafirefly.com/pt/produto/injetor-codigo-cabecalho-rodape/index.md)
- Index: <https://www.datafirefly.com/en/product/llms.txt>