diff --git a/eleventy.config.js b/eleventy.config.js
index 668f6ee..efb85cd 100644
--- a/eleventy.config.js
+++ b/eleventy.config.js
@@ -15,6 +15,16 @@ export default async function(eleventyConfig) {
 		}
 	});
 
+	eleventyConfig.addUrlTransform((page) => {
+		if (page.url.endsWith(".html")) {
+			return page.url.slice(0, -1 * ".html".length);
+		}
+	});
+	eleventyConfig.addGlobalData("permalink", () => {
+		return (data) =>
+			`${data.page.filePathStem}.${data.page.outputFileExtension}`;
+	});
+
 	// Copy the contents of the `public` folder to the output folder
 	// For example, `./public/css/` ends up in `_site/css/`
 	eleventyConfig