diff --git a/tools/aapt2/cmd/Compile.cpp b/tools/aapt2/cmd/Compile.cpp
index 52372fa..a5e18d35 100644
--- a/tools/aapt2/cmd/Compile.cpp
+++ b/tools/aapt2/cmd/Compile.cpp
@@ -605,8 +605,9 @@
     }
 
     // Write the crunched PNG.
-    if (!android::WritePng(image.get(), nine_patch.get(), &crunched_png_buffer_out, {},
-                           &source_diag, context->IsVerbose())) {
+    if (!android::WritePng(image.get(), nine_patch.get(), &crunched_png_buffer_out,
+                           {.compression_level = options.png_compression_level_int}, &source_diag,
+                           context->IsVerbose())) {
       return false;
     }
 
@@ -924,6 +925,19 @@
     }
   }
 
+  if (!options_.png_compression_level) {
+    options_.png_compression_level_int = 9;
+  } else {
+    if (options_.png_compression_level->size() != 1 ||
+        options_.png_compression_level->front() < '0' ||
+        options_.png_compression_level->front() > '9') {
+      context.GetDiagnostics()->Error(
+          android::DiagMessage() << "PNG compression level should be a number in [0..9] range");
+      return 1;
+    }
+    options_.png_compression_level_int = options_.png_compression_level->front() - '0';
+  }
+
   return Compile(&context, file_collection.get(), archive_writer.get(), options_);
 }
 
diff --git a/tools/aapt2/cmd/Compile.h b/tools/aapt2/cmd/Compile.h
index 70c8791..e244546 100644
--- a/tools/aapt2/cmd/Compile.h
+++ b/tools/aapt2/cmd/Compile.h
@@ -47,6 +47,8 @@
   bool verbose = false;
   std::optional<std::string> product_;
   FeatureFlagValues feature_flag_values;
+  std::optional<std::string> png_compression_level;
+  int png_compression_level_int = 9;
 };
 
 /** Parses flags and compiles resources to be used in linking.  */
@@ -65,6 +67,9 @@
     AddOptionalSwitch("--pseudo-localize", "Generate resources for pseudo-locales "
         "(en-XA and ar-XB)", &options_.pseudolocalize);
     AddOptionalSwitch("--no-crunch", "Disables PNG processing", &options_.no_png_crunch);
+    AddOptionalFlag("--png-compression-level",
+                    "Set the zlib compression level for crunched PNG images, [0-9], 9 by default.",
+                    &options_.png_compression_level);
     AddOptionalSwitch("--legacy", "Treat errors that used to be valid in AAPT as warnings",
         &options_.legacy_mode);
     AddOptionalSwitch("--preserve-visibility-of-styleables",