diff --git a/iwm_browser/main.py b/iwm_browser/main.py
index b845436..409ec8a 100644
--- a/iwm_browser/main.py
+++ b/iwm_browser/main.py
@@ -20,10 +20,13 @@ template_env = jinja2.Environment(
 )
 
 template_env.globals['convert_times'] = utils.convert_times
+template_env.globals['generate_thumbnail_url'] = utils.generate_thumbnail_url
 template_env.globals['__version__'] = __version__
 
 BASE_URL = "http://make.fangam.es"
 THUMB_URL = "https://images.make.fangam.es"
+utils.global_imgproxy_url = "http://127.0.0.1:8080" # Set it to None to disable the proxy
+utils.global_imgproxy_params = {"extension": "webp", "advanced": ["q:50"]} # Set it to None to disable the proxy params
 
 # Matches level code.
 # \S[A-Z0-9]{4}\-[A-Z0-9]{4}    = With dash, no whitespace
diff --git a/iwm_browser/templates/search.html b/iwm_browser/templates/search.html
index 6a49c34..14a0068 100644
--- a/iwm_browser/templates/search.html
+++ b/iwm_browser/templates/search.html
@@ -61,7 +61,7 @@
         <div class="searchResults">
           {% for map in searchResults %}
               <div class="searchResultCard">
-                <div class="thumbnail"><img src="{{ THUMB_URL }}/{{ map['ID'] }}.png"></div>
+                <div class="thumbnail"><img src="{{ generate_thumbnail_url(map['ID'], THUMB_URL) }}"></div>
                 <div class="details">
                   <div class="basic">
                     <div class="levelTitle"><a href="/level/{{ map['ID'] }}">{{ map['Name'] }}</a></div>
diff --git a/iwm_browser/utils.py b/iwm_browser/utils.py
index a1f4cfe..f3dc1a4 100644
--- a/iwm_browser/utils.py
+++ b/iwm_browser/utils.py
@@ -1,3 +1,5 @@
+from imgproxy import ImgProxy
+
 def convert_times(time):
     # Not sure if it's the right way to do that, but it seems to work.
     time_seconds = ((time % 60000) / 100) * 2
@@ -11,3 +13,24 @@ def convert_times(time):
     seconds = "{0:,.2f}".format(seconds).zfill(5)
 
     return (hours,minutes,seconds)
+
+# Specify default imgproxy instance.
+global_imgproxy_url = None
+global_imgproxy_params = None
+def generate_thumbnail_url(level_id, thumbnail_url, imgproxy_url=None, imgproxy_params={}):
+    """Generates thumbnail url."""
+    global global_imgproxy_url
+    global global_imgproxy_params
+    if imgproxy_url is None and global_imgproxy_url is not None:
+        imgproxy_url = global_imgproxy_url
+    if imgproxy_params == {} and global_imgproxy_params is not None:
+        imgproxy_params = global_imgproxy_params
+        
+    # Create url
+    img_url = thumbnail_url + "/" + str(level_id) + ".png"
+
+    if imgproxy_url is not None:
+        img_url = ImgProxy(img_url, proxy_host=imgproxy_url, **imgproxy_params)
+        img_url = str(img_url)
+
+    return img_url
diff --git a/poetry.lock b/poetry.lock
index fa0f50e..6580280 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -243,6 +243,18 @@ category = "main"
 optional = false
 python-versions = ">=3.5"
 
+[[package]]
+name = "imgproxy"
+version = "1.0.0"
+description = "Python support for ImgProxy"
+category = "main"
+optional = false
+python-versions = ">=3.7"
+
+[package.extras]
+build = ["bump2version", "twine", "wheel"]
+tests = ["pytest", "pytest-mypy"]
+
 [[package]]
 name = "jinja2"
 version = "3.1.2"
@@ -404,7 +416,7 @@ multidict = ">=4.0"
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.8"
-content-hash = "d1ec124a926e92c08231493ede23464812559355dba393164fc3b8a8c070fa0d"
+content-hash = "ac9c7bff4d98478ad09db04382b38def6391b752362ca0948fc4a5b1a282e72d"
 
 [metadata.files]
 aiodns = []
@@ -611,6 +623,10 @@ idna = [
     {file = "idna-3.4-py3-none-any.whl", hash = "sha256:90b77e79eaa3eba6de819a0c442c0b4ceefc341a7a2ab77d7562bf49f425c5c2"},
     {file = "idna-3.4.tar.gz", hash = "sha256:814f528e8dead7d329833b91c5faa87d60bf71824cd12a7530b5526063d02cb4"},
 ]
+imgproxy = [
+    {file = "imgproxy-1.0.0-py3-none-any.whl", hash = "sha256:18d3686c1b8f976906192e7bbdcd44dca305600e3e338fab68c30ee9a4102ded"},
+    {file = "imgproxy-1.0.0.tar.gz", hash = "sha256:f2e34b0da688284ad3a1e7ccd907b1038285001832362fb64cd2bd39c6c952e3"},
+]
 jinja2 = [
     {file = "Jinja2-3.1.2-py3-none-any.whl", hash = "sha256:6088930bfe239f0e6710546ab9c19c9ef35e29792895fed6e6e31a023a182a61"},
     {file = "Jinja2-3.1.2.tar.gz", hash = "sha256:31351a702a408a9e7595a8fc6150fc3f43bb6bf7e319770cbc0db9df9437e852"},
diff --git a/pyproject.toml b/pyproject.toml
index 0ac0c00..10b18bd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,6 +15,7 @@ uvicorn = "^0.19.0"
 aiohttp = {extras = ["speedups"], version = "^3.8.3"}
 httpx = "^0.23.0"
 fastapi = "^0.85.1"
+imgproxy = "^1.0.0"
 
 [tool.poetry.dev-dependencies]