diff --git a/esphome/components/online_image/__init__.py b/esphome/components/online_image/__init__.py
index de534f3b05..be3a7ef664 100644
--- a/esphome/components/online_image/__init__.py
+++ b/esphome/components/online_image/__init__.py
@@ -71,6 +71,7 @@ class JPEGFormat(Format):
         cg.add_define("USE_ONLINE_IMAGE_JPEG_SUPPORT")
         cg.add_library("JPEGDEC", None, "https://github.com/bitbank2/JPEGDEC#ca1e0f2")
 
+
 class WEBPFormat(Format):
     def __init__(self):
         super().__init__("WEBP")
@@ -79,6 +80,7 @@ class WEBPFormat(Format):
         cg.add_define("USE_ONLINE_IMAGE_WEBP_SUPPORT")
         cg.add_library("libwebp", None, "https://github.com/acvigue/libwebp#26b0c4b")
 
+
 class PNGFormat(Format):
     def __init__(self):
         super().__init__("PNG")
@@ -99,7 +101,9 @@ IMAGE_FORMATS = {
 }
 IMAGE_FORMATS.update({"JPG": IMAGE_FORMATS["JPEG"]})
 
-OnlineImage = online_image_ns.class_("OnlineImage", cg.PollingComponent, Image_, Animation_)
+OnlineImage = online_image_ns.class_(
+    "OnlineImage", cg.PollingComponent, Image_, Animation_
+)
 
 # Actions
 SetUrlAction = online_image_ns.class_(
diff --git a/esphome/components/online_image/online_image.cpp b/esphome/components/online_image/online_image.cpp
index 5d2b3bfc79..68e171bae2 100644
--- a/esphome/components/online_image/online_image.cpp
+++ b/esphome/components/online_image/online_image.cpp
@@ -267,7 +267,8 @@ void OnlineImage::draw_pixel_(int x, int y, Color color, int frame) {
     ESP_LOGE(TAG, "Buffer not allocated!");
     return;
   }
-  if (x < 0 || y < 0 || frame < 0 || x >= this->buffer_width_ || y >= this->buffer_height_ || frame >= this->animation_frame_count_) {
+  if (x < 0 || y < 0 || frame < 0 || x >= this->buffer_width_ || y >= this->buffer_height_ ||
+      frame >= this->animation_frame_count_) {
     ESP_LOGE(TAG, "Tried to paint a pixel (%d,%d,%d) outside the image!", x, y, frame);
     return;
   }
diff --git a/esphome/components/online_image/online_image.h b/esphome/components/online_image/online_image.h
index 4322a4b73c..2ae7e91093 100644
--- a/esphome/components/online_image/online_image.h
+++ b/esphome/components/online_image/online_image.h
@@ -97,8 +97,12 @@ class OnlineImage : public PollingComponent,
 
   RAMAllocator<uint8_t> allocator_{};
 
-  uint32_t get_buffer_size_() const { return get_buffer_size_(this->buffer_width_, this->buffer_height_, this->animation_frame_count_); }
-  int get_buffer_size_(int width, int height, int frames) const { return frames * ((this->get_bpp() * width + 7u) / 8u * height); }
+  uint32_t get_buffer_size_() const {
+    return get_buffer_size_(this->buffer_width_, this->buffer_height_, this->animation_frame_count_);
+  }
+  int get_buffer_size_(int width, int height, int frames) const {
+    return frames * ((this->get_bpp() * width + 7u) / 8u * height);
+  }
 
   int get_position_(int x, int y, int frame = 0) const {
     int frame_offset = this->buffer_frame_size_ * frame;
diff --git a/esphome/components/online_image/webp_image.cpp b/esphome/components/online_image/webp_image.cpp
index af8e499f84..6ef6fb6af2 100644
--- a/esphome/components/online_image/webp_image.cpp
+++ b/esphome/components/online_image/webp_image.cpp
@@ -81,10 +81,11 @@ int HOT WebpDecoder::decode(uint8_t *buffer, size_t size) {
     return DECODE_ERROR_UNSUPPORTED_FORMAT;
   }
 
-  ESP_LOGD(TAG, "WebPAnimDecode size: (%dx%d), loops: %d, frames: %d, bgcolor: #%X", animation_.canvas_width, animation_.canvas_height, animation_.loop_count, animation_.frame_count, animation_.bgcolor);
+  ESP_LOGD(TAG, "WebPAnimDecode size: (%dx%d), loops: %d, frames: %d, bgcolor: #%X", animation_.canvas_width,
+      animation_.canvas_height, animation_.loop_count, animation_.frame_count, animation_.bgcolor);
 
   if (!this->set_size(animation_.canvas_width, animation_.canvas_height, animation_.frame_count)) {
-    ESP_LOGE(TAG,"could not allocate enough memory");
+    ESP_LOGE(TAG, "could not allocate enough memory");
     WebPAnimDecoderDelete(this->decoder_);
     this->decoder_ = NULL;
     return DECODE_ERROR_OUT_OF_MEMORY;
@@ -102,7 +103,7 @@ int HOT WebpDecoder::decode(uint8_t *buffer, size_t size) {
     uint8_t *pix;
     int timestamp;
     if (!WebPAnimDecoderGetNext(this->decoder_, &pix, &timestamp)) {
-      ESP_LOGE(TAG,"error parsing webp frame %u/%u", frame, animation_.frame_count);
+      ESP_LOGE(TAG, "error parsing webp frame %u/%u", frame, animation_.frame_count);
       WebPAnimDecoderDelete(this->decoder_);
       this->decoder_ = NULL;
       return DECODE_ERROR_UNSUPPORTED_FORMAT;