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

src/pages/pdf-to-json.html

@@ -112,11 +112,10 @@
           class="text-2xl font-bold text-white mb-2"
           data-i18n="tools:pdfToJson.name"
         >
-          Pdf To Json Converter Free Online - Convert Files Fast
+          PDF to JSON
         </h1>
         <p class="text-gray-400 mb-6" data-i18n="tools:pdfToJson.subtitle">
-          Upload multiple PDF files to convert them all to JSON format. Files
-          will be downloaded as a ZIP archive.
+          Convert PDF files to JSON format.
         </p>
 
         <div class="upload-section mb-6">