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

src/pages/adjust-colors.html

@@ -118,10 +118,10 @@
           class="text-2xl font-bold text-white mb-2"
           data-i18n="tools:adjustColors.name"
         >
-          Adjust Colors Free Online - PDF Color Correction Tool
+          Adjust Colors
         </h1>
         <p class="text-gray-400 mb-6" data-i18n="tools:adjustColors.subtitle">
-          Fine-tune brightness, contrast, saturation, hue and more in your PDF.
+          Fine-tune brightness, contrast, saturation and more in your PDF.
         </p>
 
         <div