Refactor page titles and subtitles for consistency and clarity across various PDF conversion tools

src/pages/add-blank-page.html

@@ -126,10 +126,10 @@
           class="text-2xl font-bold text-white mb-2"
           data-i18n="tools:addBlankPage.name"
         >
-          Add Blank Page Free Online - Fast & Secure
+          Add Blank Page
         </h1>
         <p class="text-gray-400 mb-6" data-i18n="tools:addBlankPage.subtitle">
-          Insert one or more blank pages at any position in your PDF document.
+          Insert an empty page anywhere in your PDF.
         </p>
 
         <div