diff --git a/lib/og.js b/lib/og.js
index 439a2fb..357a89b 100644
--- a/lib/og.js
+++ b/lib/og.js
@@ -121,14 +121,35 @@ function truncateTitle(title, max = 120) {
 
 function extractBodyText(raw) {
   const body = raw
+    // Strip frontmatter
     .replace(/^---[\s\S]*?---\s*/, "")
-    .replace(/\[([^\]]+)\]\([^)]+\)/g, "$1")
-    .replace(/[#*_~`>]/g, "")
+    // Strip images ![alt](url)
     .replace(/!\[[^\]]*\]\([^)]+\)/g, "")
-    .replace(/\n+/g, " ")
+    // Strip markdown tables (lines with pipes)
+    .replace(/^\|.*\|$/gm, "")
+    // Strip table separator rows (|---|---|)
+    .replace(/^\s*[-|: ]+$/gm, "")
+    // Strip heading anchors {#id}
+    .replace(/\{#[^}]+\}/g, "")
+    // Strip HTML tags
+    .replace(/<[^>]+>/g, "")
+    // Strip markdown links, keep text
+    .replace(/\[([^\]]+)\]\([^)]+\)/g, "$1")
+    // Strip heading markers, bold, italic, strikethrough, code, blockquote
+    .replace(/[#*_~`>]/g, "")
+    // Strip list bullets (-, *, +) and numbered lists (1.)
+    .replace(/^\s*[-*+]\s+/gm, "")
+    .replace(/^\s*\d+\.\s+/gm, "")
+    // Strip horizontal rules
+    .replace(/^-{3,}$/gm, "")
+    // Collapse all whitespace (newlines, tabs, multiple spaces)
+    .replace(/\s+/g, " ")
     .trim();
   if (!body) return "Untitled";
-  return body.length > 120 ? body.slice(0, 120).trim() + "\u2026" : body;
+  // Strip any non-ASCII-printable characters that could cause NO GLYPH in Satori
+  const safe = body.replace(/[^\x20-\x7E\u00A0-\u024F\u2010-\u2027\u2030-\u205E]/g, "").trim();
+  const text = safe || body;
+  return text.length > 120 ? text.slice(0, 120).trim() + "\u2026" : text;
 }
 
 function buildCard(title, dateStr, postType, siteName) {