diff --git a/index.html b/index.html
index 91309b0..6883790 100644
--- a/index.html
+++ b/index.html
@@ -724,7 +724,62 @@ async function readId3v1(file) {
     return tags;
   } catch { return null; }
 }
+async function readVorbisComments(file) {
+  try {
+    const maxRead = Math.min(file.size, 256 * 1024);
+    const data = await readBytes(file, 0, maxRead);
+    if (data[0] !== 0x66 || data[1] !== 0x4C || data[2] !== 0x61 || data[3] !== 0x43) return null;
+    let pos = 4;
+    let commentData = null;
+    while (pos + 4 <= data.length) {
+      const isLast = data[pos] & 0x80;
+      const blockType = data[pos] & 0x7f;
+      const blockLen = (data[pos + 1] << 16) | (data[pos + 2] << 8) | data[pos + 3];
+      pos += 4;
+      if (pos + blockLen > data.length) break;
+      if (blockType === 4) { commentData = data.slice(pos, pos + blockLen); break; }
+      pos += blockLen;
+      if (isLast) break;
+    }
+    if (!commentData) return null;
+    let off = 0;
+    if (off + 4 > commentData.length) return null;
+    const vendorLen = commentData[off] | (commentData[off + 1] << 8) | (commentData[off + 2] << 16) | (commentData[off + 3] << 24);
+    off += 4 + vendorLen;
+    if (off + 4 > commentData.length) return null;
+    const numTags = commentData[off] | (commentData[off + 1] << 8) | (commentData[off + 2] << 16) | (commentData[off + 3] << 24);
+    off += 4;
+    const tags = {};
+    for (let i = 0; i < numTags; i++) {
+      if (off + 4 > commentData.length) break;
+      const tagLen = commentData[off] | (commentData[off + 1] << 8) | (commentData[off + 2] << 16) | (commentData[off + 3] << 24);
+      off += 4;
+      if (off + tagLen > commentData.length) break;
+      const tagStr = new TextDecoder('utf-8').decode(commentData.slice(off, off + tagLen));
+      off += tagLen;
+      const eqIdx = tagStr.indexOf('=');
+      if (eqIdx === -1) continue;
+      const key = tagStr.substring(0, eqIdx).toUpperCase();
+      const value = tagStr.substring(eqIdx + 1);
+      switch (key) {
+        case 'TITLE': tags.title = value; break;
+        case 'ARTIST': tags.artist = value; break;
+        case 'ALBUM': tags.album = value; break;
+        case 'GENRE': tags.genre = value; break;
+        case 'DATE':
+        case 'YEAR': tags.year = value; break;
+        case 'TRACKNUMBER': tags.track = value; break;
+      }
+    }
+    return Object.keys(tags).length > 0 ? tags : null;
+  } catch { return null; }
+}
 async function readTags(file) {
+  const ext = file.name.toLowerCase().slice(file.name.lastIndexOf('.'));
+  if (ext === '.flac') {
+    const v = await readVorbisComments(file);
+    if (v) return v;
+  }
   let tags = await readId3v2(file);
   if (tags && (tags.title || tags.artist)) return tags;
   const v1 = await readId3v1(file);