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

src/pages/pdf-to-markdown.html

@@ -132,11 +132,10 @@
           class="text-2xl font-bold text-white mb-2"
           data-i18n="tools:pdfToMarkdown.name"
         >
-          Pdf To Markdown Converter Free Online - Convert Files Fast
+          PDF to Markdown
         </h1>
         <p class="text-gray-400 mb-6" data-i18n="tools:pdfToMarkdown.subtitle">
-          Convert PDF files to Markdown format. Preserves text structure with
-          optional image embedding.
+          Convert PDF text and tables to Markdown format.
         </p>
 
         <div