diff --git a/app/app.py b/app/app.py
index e774b0c..09f8552 100644
--- a/app/app.py
+++ b/app/app.py
@@ -752,10 +752,12 @@ def list_conversations():
     db.close()
     return jsonify(data)
 
-@app.route("/api/export/md/<cid>")
+
+@app.route("/api/export/md/<cid>/<filename>")
 @login_required
-@rate_limited
-def export_md(cid):
+def export_md(cid, filename):
+    # validação de conversa + usuário
+
     db = SessionLocal()
     email = session["user"]["email"] if app.config["AUTH_MODE"] == "oauth" else session["db_user"]["email"]
     conv = db.query(Conversation).filter_by(id=cid, user_email=email).first()
@@ -772,7 +774,8 @@ def export_md(cid):
         md += f"### {m.role.capitalize()}\n\n{m.content}\n\n"
 
     db.close()
-    return Response(md, mimetype="text/markdown")
+    #return Response(md, mimetype="text/markdown")
+    return send_file(md_path, as_attachment=True, download_name=filename)
 
 
 @app.route("/api/file/<file_id>/<filename>")
@@ -847,11 +850,9 @@ def import_file(cid):
 
     return jsonify({"status": "ok", "imported_as_markdown": True})
 
-
-@app.route("/api/export/pdf/<cid>")
+@app.route("/api/export/pdf/<cid>/<filename>")
 @login_required
-@rate_limited
-def export_pdf(cid):
+def export_pdf(cid, filename):
     db = SessionLocal()
     email = session["user"]["email"] if app.config["AUTH_MODE"] == "oauth" else session["db_user"]["email"]
     conv = db.query(Conversation).filter_by(id=cid, user_email=email).first()
@@ -869,7 +870,8 @@ def export_pdf(cid):
     db.close()
 
     pdf = HTML(string=html).write_pdf()
-    return Response(pdf, mimetype="application/pdf")
+    #return Response(pdf, mimetype="application/pdf")
+    return send_file(pdf_path, as_attachment=True, download_name=filename)
 
 
 
@@ -1208,7 +1210,7 @@ def import_excel(cid):
             id=str(uuid.uuid4()),
             conversation_id=cid,
             role="user",
-            content=f"### Sheet: {sheet_name}\n```\n{tsv}\n```"
+            content=f"Arquivo importado: {sheet_name}.tsv\n```\n{tsv}\n```"
         )
         db.add(msg)