diff --git a/templates/index.html b/templates/index.html
index 0989c3e..d88ca6a 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -596,7 +596,7 @@
                             <span>Quality: <span class="scale-value" id="quality-value-display">High</span></span>
                             <span style="color: #6c757d;">CRF: <strong id="crf-value-display">23</strong></span>
                         </div>
-                        <input type="range" class="scale-slider" id="quality-slider" min="18" max="32" value="23" step="1">
+                        <input type="range" class="scale-slider" id="quality-slider" min="16" max="50" value="23" step="1">
                         <div class="resolution-preview">
                             <p style="margin: 0;">💡 <strong>Lower CRF</strong> = Better quality, larger file. <strong>Higher CRF</strong> = More compressed, smaller file.</p>
                         </div>