diff --git a/clean.sh b/clean.sh
index 87376f8..0da9b44 100755
--- a/clean.sh
+++ b/clean.sh
@@ -1,7 +1,5 @@
 #!/bin/bash
-/mnt/converter tree
-rm -rf /mnt/converter/in/*
-rm -rf /mnt/converter/out/*
+rm -rf /mnt/converter/tmp/*
 rm -rf /mnt/converter/backend/__pycache__/
 systemctl restart vm-bench-backend.service
 systemctl status vm-bench-backend.service
diff --git a/frontend/templates/index.html b/frontend/templates/index.html
index 93db70b..6d05d73 100644
--- a/frontend/templates/index.html
+++ b/frontend/templates/index.html
@@ -159,10 +159,13 @@ async function handleUpload(formData) {
     xhr.upload.addEventListener('progress', (e) => {
       if (e.lengthComputable) {
         const pct = Math.round((e.loaded / e.total) * 100);
-        setPhase('Uploading source file... ' + (e.loaded / (1024**3)).toFixed(1) + ' GiB', pct, false);
+        const mb = (e.loaded / (1024**2)).toFixed(0);
+        const gb = (e.loaded / (1024**3)).toFixed(1);
+        const size = e.loaded > 100*1024*1024 ? gb + ' GiB' : mb + ' MB';
+        setPhase('Uploading source file... ' + size, pct, false);
       } else {
-        // Fallback: show bytes uploaded even without total
-        setPhase('Uploading source file... ' + (e.loaded / (1024**3)).toFixed(1) + ' GiB', 0, true);
+        const mb = (e.loaded / (1024**2)).toFixed(0);
+        setPhase('Uploading source file... ' + mb + ' MB', 0, true);
       }
     });