diff --git a/lib/filesystem.c b/lib/filesystem.c
index 65d8e91..c714b10 100644
--- a/lib/filesystem.c
+++ b/lib/filesystem.c
@@ -27,6 +27,10 @@ int filesystem_write(string_t path, byte_t *file_content, off_t file_size) {
   return 0;
 }
 
+bool filesystem_exists(string_t path) {
+  return access(path, F_OK) == 0;
+}
+
 string_t filesystem_get_mimetype(string_t path) {
   if (string_ends_with(path, ".html")) {
     return "text/html";
diff --git a/lib/filesystem.h b/lib/filesystem.h
index 21c9990..94df9ab 100644
--- a/lib/filesystem.h
+++ b/lib/filesystem.h
@@ -37,6 +37,16 @@ int filesystem_read(string_t path, byte_t **file_content, off_t *file_size);
  */
 int filesystem_write(string_t path, byte_t *file_content, off_t file_size);
 
+/**
+ * @brief Check if a path exists.
+ *
+ * @param path
+ * @retval true if the path exists.
+ * @retval false if the path does not exist.
+ * @since v3.1.0
+ */
+bool filesystem_exists(string_t path);
+
 /**
  * @brief Get the mimetype of a file.
  *