diff --git a/action.yml b/action.yml
index 5072dcd..720b330 100644
--- a/action.yml
+++ b/action.yml
@@ -74,6 +74,10 @@ inputs:
     description: Allow other plugins to be installed. By default, we are checking if the plugins are actually prettier plugins.
     required: false
     default: false
+  only_show_changed:
+    description: Only show files that were changed by Prettier instead of all processed files. Useful for large projects where output is overwhelming.
+    required: false
+    default: false
 
 runs:
   using: "composite"
@@ -102,6 +106,7 @@ runs:
         INPUT_CLEAN_NODE_FOLDER: ${{ inputs.clean_node_folder }}
         INPUT_GIT_IDENTITY: ${{ inputs.git_identity }}
         INPUT_ALLOW_OTHER_PLUGINS: ${{ inputs.allow_other_plugins }}
+        INPUT_ONLY_SHOW_CHANGED: ${{ inputs.only_show_changed }}
 
 branding:
   icon: "award"
diff --git a/entrypoint.sh b/entrypoint.sh
index ec9b329..32c2aec 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -65,12 +65,27 @@ fi
 
 PRETTIER_RESULT=0
 echo "Prettifying files..."
-echo "Files:"
-npx prettier $INPUT_PRETTIER_OPTIONS \
-  || { PRETTIER_RESULT=$?; echo "Problem running prettier with $INPUT_PRETTIER_OPTIONS"; exit 1; } >> $GITHUB_STEP_SUMMARY
+if [ "$INPUT_ONLY_SHOW_CHANGED" = "true" ]; then
+  # New behavior: don't show all files, only show changed files later
+  npx prettier $INPUT_PRETTIER_OPTIONS \
+    || { PRETTIER_RESULT=$?; echo "Problem running prettier with $INPUT_PRETTIER_OPTIONS"; exit 1; }
+else
+  # Original behavior: show all files processed by prettier
+  echo "Files:"
+  npx prettier $INPUT_PRETTIER_OPTIONS \
+    || { PRETTIER_RESULT=$?; echo "Problem running prettier with $INPUT_PRETTIER_OPTIONS"; exit 1; } >> $GITHUB_STEP_SUMMARY
+fi
 
 echo "Prettier result: $PRETTIER_RESULT"
 
+# Show only the files that were changed by prettier (when flag is enabled)
+if [ "$INPUT_ONLY_SHOW_CHANGED" = "true" ] && _git_changed; then
+  echo ""
+  echo "Changed files:"
+  git status --short | tee -a $GITHUB_STEP_SUMMARY
+  echo ""
+fi
+
 # Removing the node_modules folder, so it doesn't get committed if it is not added in gitignore
 if $INPUT_CLEAN_NODE_FOLDER; then
   echo "Deleting node_modules/ folder..."