diff --git a/templates/blog/footer.html b/templates/blog/footer.html
index 1b087cd..72e44fb 100644
--- a/templates/blog/footer.html
+++ b/templates/blog/footer.html
@@ -6,4 +6,4 @@
 {{#mermaid}}{{>libs/mermaid_footer.html}}{{/mermaid}}
 {{#math}}{{>libs/katex_footer.html}}{{/math}}
 {{#syntax_highlight}}{{>libs/hljs_footer.html}}{{/syntax_highlight}}
-{{/metadata}} {{/post}} {{/data}}
+{{/metadata}} {{/post}} {{/data}} {{>libs/custom_img_size.html}}
diff --git a/templates/libs/custom_img_size.html b/templates/libs/custom_img_size.html
new file mode 100644
index 0000000..01f19f8
--- /dev/null
+++ b/templates/libs/custom_img_size.html
@@ -0,0 +1,35 @@
+<script>
+  for (const item of document.getElementsByTagName("img")) {
+    // Check if we may need to resize the image
+    const possible_piece = item.alt.split(/\s?\|\s?/);
+    if (possible_piece.length > 1) {
+      // Check if 1 or 2 dimension(s) is provided
+      // Then, check if syntax is correct
+      //
+      // If everything is good, assign the width and/or the height
+      // to the image and remove the resize data from the alt text
+      const last_possible_piece =
+        possible_piece[possible_piece.length - 1].trim();
+      // Remove the resize data from the list
+      possible_piece.pop();
+      if (last_possible_piece.includes("x")) {
+        const verif = last_possible_piece.split(/\d+/);
+        if (
+          verif.length == 3 &&
+          verif[0] == "" &&
+          verif[1] == "x" &&
+          verif[2] == ""
+        ) {
+          [item.width, item.height] = last_possible_piece.split("x");
+          item.alt = possible_piece.join("");
+        }
+      } else {
+        const verif = last_possible_piece.split(/\d+/);
+        if (verif.length == 2 && verif[0] == "" && verif[1] == "") {
+          item.width = last_possible_piece;
+          item.alt = possible_piece.join("");
+        }
+      }
+    }
+  }
+</script>