diff --git a/deploy.sh b/deploy.sh
index 858b694..a1eafb2 100755
--- a/deploy.sh
+++ b/deploy.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-total_commands=28
+total_commands=29
 current_command=0
 
 function print_progress {
@@ -92,6 +92,9 @@ print_progress "cp ./conjurer/latex_commands.py ./Conjurer/"
 cp ./conjurer/latex_functions.py ./Conjurer/
 print_progress "cp ./conjurer/latex_functions.py ./Conjurer/"
 
+cp ./conjurer/librarian_functions.py ./Conjurer
+print_progress "cp ./conjurer/librarian_functions.py ./Conjurer/"
+
 cp ./conjurer/thin_client.py ./Conjurer/bot.py
 print_progress "cp ./conjurer/thin_client.py ./Conjurer/bot.py"
 
diff --git a/librarian_commands.py b/librarian_commands.py
index a8342e1..9ebea27 100644
--- a/librarian_commands.py
+++ b/librarian_commands.py
@@ -8,7 +8,7 @@ from queue import Empty
 
 import discord
 import pdf2image
-#import fitz
+import fitz
 import PyPDF2
 import requests
 from discord.ext import commands, tasks
diff --git a/librarian_functions.py b/librarian_functions.py
new file mode 100644
index 0000000..4855426
--- /dev/null
+++ b/librarian_functions.py
@@ -0,0 +1,28 @@
+# pdf_render.py
+import io
+
+try:
+    import fitz  # PyMuPDF
+    _HAS_PYMUPDF = True
+except Exception:
+    _HAS_PYMUPDF = False
+    from pdf2image import convert_from_path
+
+def pdf_page_to_image_bytes(path: str, page_index: int = 0, zoom: float = 2.0, fmt: str = "PNG") -> bytes:
+    """
+    Zwraca bytes obrazka z jednej strony PDF:
+      - PyMuPDF (szybki) jeśli dostępny,
+      - inaczej pdf2image + poppler (wymaga 'pdftoppm').
+    page_index: 0-based
+    """
+    if _HAS_PYMUPDF:
+        doc = fitz.open(path)
+        page = doc.load_page(page_index)
+        mat = fitz.Matrix(zoom, zoom)
+        pix = page.get_pixmap(matrix=mat, alpha=False)
+        return pix.tobytes(fmt.lower())
+    # fallback
+    images = convert_from_path(path, first_page=page_index+1, last_page=page_index+1, fmt=fmt)
+    bio = io.BytesIO()
+    images[0].save(bio, fmt)
+    return bio.getvalue()
diff --git a/requirements_bot.txt b/requirements_bot.txt
index 14d162d..621be26 100644
--- a/requirements_bot.txt
+++ b/requirements_bot.txt
@@ -13,7 +13,7 @@ spotipy
 tiktoken
 PyNaCl
 flask[async]
-fitz
+PyMuPDF
 waitress
 clickupython
 assemblyai[extras]