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

src/pages/merge-pdf.html

@@ -119,7 +119,7 @@
           class="text-2xl font-bold text-white mb-2"
           data-i18n="tools:mergePdf.name"
         >
-          Merge PDF Files Free - Combine PDFs Instantly
+          Merge PDF
         </h1>
         <p class="text-gray-400 mb-6" data-i18n="tools:mergePdf.subtitle">
           Combine whole files, or select specific pages to merge into a new