diff --git a/requirements.txt b/requirements.txt
index a353c70c8..dc736bb18 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,7 @@
 humanfriendly==10.0
 opencv_python>=4.8.0.74,<=4.9.0.80
 Pillow==10.3.0
+pillow-jxl-plugin==1.2.6
 PySide6==6.7.1
 PySide6_Addons==6.7.1
 PySide6_Essentials==6.7.1
diff --git a/tagstudio/src/core/constants.py b/tagstudio/src/core/constants.py
index 7efee56fd..16921a3f5 100644
--- a/tagstudio/src/core/constants.py
+++ b/tagstudio/src/core/constants.py
@@ -21,6 +21,7 @@
     ".heic",
     ".heif",
     ".webp",
+    ".jxl",
     ".bmp",
     ".svg",
     ".avif",
diff --git a/tagstudio/src/qt/widgets/thumb_renderer.py b/tagstudio/src/qt/widgets/thumb_renderer.py
index 1e6a3ad17..30e92ffe8 100644
--- a/tagstudio/src/qt/widgets/thumb_renderer.py
+++ b/tagstudio/src/qt/widgets/thumb_renderer.py
@@ -9,6 +9,7 @@
 
 import cv2
 import rawpy
+import pillow_jxl
 from pillow_heif import register_heif_opener, register_avif_opener
 from PIL import (
     Image,