diff --git a/BUILD.gn b/BUILD.gn
index 4b587be..aad296d 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -103,6 +103,15 @@
   deps = [ "utils/compiler:dart2js" ]
 }
 
+group("dart2wasm") {
+  deps = [
+    ":runtime_precompiled",
+    "utils/dart2wasm:compile_dart2wasm_platform",
+    "utils/dart2wasm:dart2wasm_asserts_snapshot",
+    "utils/dart2wasm:dart2wasm_snapshot",
+  ]
+}
+
 group("dartanalyzer") {
   deps = [ "utils/dartanalyzer" ]
 }
diff --git a/DEPS b/DEPS
index 1aceb3c..b6d3a6b 100644
--- a/DEPS
+++ b/DEPS
@@ -44,7 +44,7 @@
   # co19 is a cipd package. Use update.sh in tests/co19[_2] to update these
   # hashes. It requires access to the dart-build-access group, which EngProd
   # has.
-  "co19_rev": "8f22acf210970dfe32750351031281af88b41708",
+  "co19_rev": "9849573cd1b8317e58247b8c1672e89b1cd842e2",
   # This line prevents conflicts when both packages are rolled simultaneously.
   "co19_2_rev": "b2034a17609472e374623f3dbe0efd9f5cb258af",
 
diff --git a/pkg/_fe_analyzer_shared/lib/src/messages/codes_generated.dart b/pkg/_fe_analyzer_shared/lib/src/messages/codes_generated.dart
index 36c0cb7..fc99416 100644
--- a/pkg/_fe_analyzer_shared/lib/src/messages/codes_generated.dart
+++ b/pkg/_fe_analyzer_shared/lib/src/messages/codes_generated.dart
@@ -4124,7 +4124,7 @@
     Read the SDK platform from <file>, which should be in Dill/Kernel IR format
     and contain the Dart SDK.
 
-  --target=dart2js|dart2js_server|dart_runner|dartdevc|flutter|flutter_runner|none|vm
+  --target=dart2js|dart2js_server|dart2wasm|dart_runner|dartdevc|flutter|flutter_runner|none|vm
     Specify the target configuration.
 
   --enable-asserts
diff --git a/pkg/dart2wasm/bin/dart2wasm.dart b/pkg/dart2wasm/bin/dart2wasm.dart
index 6a77001..4a382a9 100644
--- a/pkg/dart2wasm/bin/dart2wasm.dart
+++ b/pkg/dart2wasm/bin/dart2wasm.dart
@@ -40,6 +40,7 @@
   print("");
   print("Options:");
   print("  --dart-sdk=<path>");
+  print("  --platform=<path>");
   print("");
   for (String option in boolOptionMap.keys) {
     print("  --[no-]$option");
@@ -55,6 +56,7 @@
 
 Future<int> main(List<String> args) async {
   Uri sdkPath = Platform.script.resolve("../../../sdk");
+  Uri? platformPath = null;
   TranslatorOptions options = TranslatorOptions();
   List<String> nonOptions = [];
   void Function(TranslatorOptions, int)? intOptionFun = null;
@@ -65,6 +67,9 @@
     } else if (arg.startsWith("--dart-sdk=")) {
       String path = arg.substring("--dart-sdk=".length);
       sdkPath = Uri.file(Directory(path).absolute.path);
+    } else if (arg.startsWith("--platform=")) {
+      String path = arg.substring("--platform=".length);
+      platformPath = Uri.file(Directory(path).absolute.path);
     } else if (arg.startsWith("--no-")) {
       var optionFun = boolOptionMap[arg.substring(5)];
       if (optionFun == null) usage("Unknown option $arg");
@@ -95,8 +100,8 @@
   String output = nonOptions[1];
   Uri mainUri = resolveInputUri(input);
 
-  Uint8List? module = await compileToModule(mainUri, sdkPath, options,
-      (message) => printDiagnosticMessage(message, print));
+  Uint8List? module = await compileToModule(mainUri, sdkPath, platformPath,
+      options, (message) => printDiagnosticMessage(message, print));
 
   if (module == null) {
     exitCode = 1;
diff --git a/pkg/dart2wasm/dart2wasm.md b/pkg/dart2wasm/dart2wasm.md
index 8cc6b91..6d3ab61 100644
--- a/pkg/dart2wasm/dart2wasm.md
+++ b/pkg/dart2wasm/dart2wasm.md
@@ -11,6 +11,7 @@
 | Option                                  | Default | Description |
 | --------------------------------------- | ------- | ----------- |
 | `--dart-sdk=`*path*                     | relative to script | The location of the `sdk` directory inside the Dart SDK, containing the core library sources.
+| `--platform=`*path*                     | none    | The location of the platform `dill` file containing the compiled core libraries.
 | `--`[`no-`]`export-all`                 | no      | Export all functions; otherwise, just export `main`.
 | `--`[`no-`]`import-shared-memory`       | no      | Import a shared memory buffer. If this is on, `--shared-memory-max-pages` must also be specified.
 | `--`[`no-`]`inlining`                   | no      | Inline small functions.
diff --git a/pkg/dart2wasm/lib/compile.dart b/pkg/dart2wasm/lib/compile.dart
index 6e2c88b..f8c4739 100644
--- a/pkg/dart2wasm/lib/compile.dart
+++ b/pkg/dart2wasm/lib/compile.dart
@@ -33,6 +33,7 @@
 Future<Uint8List?> compileToModule(
     Uri mainUri,
     Uri sdkRoot,
+    Uri? platformDill,
     TranslatorOptions options,
     void Function(DiagnosticMessage) handleDiagnosticMessage) async {
   var succeeded = true;
@@ -46,13 +47,18 @@
   Target target = WasmTarget();
   CompilerOptions compilerOptions = CompilerOptions()
     ..target = target
-    ..compileSdk = true
     ..sdkRoot = sdkRoot
     ..environmentDefines = {}
     ..verbose = false
     ..onDiagnostic = diagnosticMessageHandler
     ..nnbdMode = NnbdMode.Strong;
 
+  if (platformDill != null) {
+    compilerOptions.sdkSummary = platformDill;
+  } else {
+    compilerOptions.compileSdk = true;
+  }
+
   CompilerResult? compilerResult =
       await kernelForProgram(mainUri, compilerOptions);
   if (compilerResult == null || !succeeded) {
diff --git a/pkg/dart2wasm/lib/target.dart b/pkg/dart2wasm/lib/target.dart
index 7d71097..5c7c4ea 100644
--- a/pkg/dart2wasm/lib/target.dart
+++ b/pkg/dart2wasm/lib/target.dart
@@ -51,6 +51,8 @@
         'dart:nativewrappers',
         'dart:js_util_wasm',
         'dart:js_wasm',
+        'dart:wasm',
+        'dart:developer',
       ];
 
   @override
diff --git a/pkg/front_end/messages.yaml b/pkg/front_end/messages.yaml
index 887e231..abf6263 100644
--- a/pkg/front_end/messages.yaml
+++ b/pkg/front_end/messages.yaml
@@ -1964,7 +1964,7 @@
         Read the SDK platform from <file>, which should be in Dill/Kernel IR format
         and contain the Dart SDK.
 
-      --target=dart2js|dart2js_server|dart_runner|dartdevc|flutter|flutter_runner|none|vm
+      --target=dart2js|dart2js_server|dart2wasm|dart_runner|dartdevc|flutter|flutter_runner|none|vm
         Specify the target configuration.
 
       --enable-asserts
diff --git a/pkg/front_end/pubspec.yaml b/pkg/front_end/pubspec.yaml
index 4fff6ab..47e743c 100644
--- a/pkg/front_end/pubspec.yaml
+++ b/pkg/front_end/pubspec.yaml
@@ -23,6 +23,8 @@
     path: ../build_integration
   compiler:
     path: ../compiler
+  dart2wasm:
+    path: ../dart2wasm
   dart_style: ^2.0.0
   dev_compiler:
     path: ../dev_compiler
diff --git a/pkg/front_end/test/spell_checking_list_common.txt b/pkg/front_end/test/spell_checking_list_common.txt
index c09bea1..815a290 100644
--- a/pkg/front_end/test/spell_checking_list_common.txt
+++ b/pkg/front_end/test/spell_checking_list_common.txt
@@ -723,6 +723,7 @@
 cyclic
 dart
 dart2js
+dart2wasm
 dartdevc
 data
 date
@@ -3339,6 +3340,7 @@
 warning
 warnings
 was
+wasm
 wasn't
 way
 ways
diff --git a/pkg/front_end/tool/_fasta/additional_targets.dart b/pkg/front_end/tool/_fasta/additional_targets.dart
index 6e9399a..13c91c2 100644
--- a/pkg/front_end/tool/_fasta/additional_targets.dart
+++ b/pkg/front_end/tool/_fasta/additional_targets.dart
@@ -10,6 +10,8 @@
 
 import 'package:dev_compiler/src/kernel/target.dart' show DevCompilerTarget;
 
+import 'package:dart2wasm/target.dart' show WasmTarget;
+
 import 'package:vm/target/install.dart' as vm_target_install
     show installAdditionalTargets;
 
@@ -21,5 +23,6 @@
   targets["dart2js_server"] =
       (TargetFlags flags) => new Dart2jsTarget("dart2js_server", flags);
   targets["dartdevc"] = (TargetFlags flags) => new DevCompilerTarget(flags);
+  targets["dart2wasm"] = (TargetFlags flags) => new WasmTarget();
   vm_target_install.installAdditionalTargets();
 }
diff --git a/sdk/bin/dart2wasm b/sdk/bin/dart2wasm
index 893fcda..1cebe5a 100755
--- a/sdk/bin/dart2wasm
+++ b/sdk/bin/dart2wasm
@@ -19,21 +19,39 @@
 PROG_NAME="$(follow_links "$BASH_SOURCE")"
 
 # Handle the case where dart-sdk/bin has been symlinked to.
-BIN_DIR="$(cd "${PROG_NAME%/*}" ; pwd -P)"
-SDK_DIR="$(cd "${BIN_DIR}/.." ; pwd -P)"
+PROG_DIR="$(cd "${PROG_NAME%/*}" ; pwd -P)"
+SDK_DIR="$(cd "${PROG_DIR}/../.." ; pwd -P)"
 
+# Locate build directory, containing executables, snapshots and platform dill.
+if [[ `uname` == 'Darwin' ]]; then
+  OUT_DIR="$SDK_DIR/xcodebuild"
+else
+  OUT_DIR="$SDK_DIR/out"
+fi
+DART_CONFIGURATION=${DART_CONFIGURATION:-ReleaseX64}
+BIN_DIR="$OUT_DIR/$DART_CONFIGURATION"
+
+DART_PRECOMPILED_RUNTIME="$BIN_DIR/dart_precompiled_runtime"
+
+# Point to SDK directory.
 SDK_ARG="--dart-sdk=$SDK_DIR"
 
-DART="$BIN_DIR/dart"
+# Point to built platform dill.
+PLATFORM="$BIN_DIR/dart2wasm_platform.dill"
+PLATFORM_ARG="--platform=$PLATFORM"
 
 unset EXTRA_VM_OPTIONS
 declare -a EXTRA_VM_OPTIONS
 
+# Choose snapshot with or without asserts enabled.
+SNAPSHOT_NAME="dart2wasm"
 case $0 in
   *_developer)
     EXTRA_VM_OPTIONS+=('--enable_asserts')
+    SNAPSHOT_NAME="dart2wasm_asserts"
     ;;
 esac
+SNAPSHOT="$BIN_DIR/$SNAPSHOT_NAME.snapshot"
 
 # We allow extra vm options to be passed in through an environment variable.
 if [[ $DART_VM_OPTIONS ]]; then
@@ -43,6 +61,4 @@
 
 DART_ROOT="$(cd "${SDK_DIR}/.." ; pwd -P)"
 
-DART2WASM_COMPILER="$DART_ROOT/pkg/dart2wasm/bin/dart2wasm.dart"
-
-exec "$DART" "--packages=$DART_ROOT/.packages" "${EXTRA_VM_OPTIONS[@]}" "$DART2WASM_COMPILER" "$SDK_ARG" "$@"
+exec "$DART_PRECOMPILED_RUNTIME" "--packages=$DART_ROOT/.packages" "${EXTRA_VM_OPTIONS[@]}" "$SNAPSHOT" "$SDK_ARG" "$PLATFORM_ARG" "$@"
diff --git a/tools/VERSION b/tools/VERSION
index bf5f7ca..65f3e26 100644
--- a/tools/VERSION
+++ b/tools/VERSION
@@ -27,5 +27,5 @@
 MAJOR 2
 MINOR 18
 PATCH 0
-PRERELEASE 101
+PRERELEASE 102
 PRERELEASE_PATCH 0
\ No newline at end of file
diff --git a/tools/bots/test_matrix.json b/tools/bots/test_matrix.json
index b243173..c7bcc68 100644
--- a/tools/bots/test_matrix.json
+++ b/tools/bots/test_matrix.json
@@ -4,7 +4,6 @@
   ],
   "filesets": {
     "analyzer_unit_tests": [
-      ".packages",
       ".dart_tool/package_config.json",
       "pkg/",
       "third_party/pkg/",
@@ -14,7 +13,6 @@
       "xcodebuild/ReleaseX64/dart-sdk/"
     ],
     "web_platform": [
-      ".packages",
       ".dart_tool/package_config.json",
       "out/ReleaseIA32/dart-sdk/",
       "out/ReleaseX64/dart-sdk/",
@@ -60,7 +58,6 @@
       "xcodebuild/ReleaseX64/gen/utils/dartdevc/"
     ],
     "web_platform_nnbd": [
-      ".packages",
       ".dart_tool/package_config.json",
       "out/ReleaseIA32/dart-sdk/",
       "out/ReleaseX64/dart-sdk/",
@@ -98,7 +95,6 @@
       "xcodebuild/ReleaseX64/gen/utils/dartdevc/"
     ],
     "web_platform_hostasserts": [
-      ".packages",
       ".dart_tool/package_config.json",
       "out/ReleaseIA32/dart",
       "out/ReleaseIA32/dart2js_platform.dill",
@@ -149,7 +145,6 @@
       "xcodebuild/ReleaseX64/dart2js_platform_unsound.dill"
     ],
     "web_platform_hostasserts_nnbd": [
-      ".packages",
       ".dart_tool/package_config.json",
       "out/ReleaseX64/dart",
       "out/ReleaseX64/dart2js_platform.dill",
@@ -186,7 +181,6 @@
       "xcodebuild/ReleaseX64/dart2js_platform_unsound.dill"
     ],
     "dart2wasm_hostasserts": [
-      ".packages",
       ".dart_tool/package_config.json",
       "out/ReleaseX64/dart",
       "pkg/",
@@ -219,7 +213,6 @@
       "xcodebuild/ReleaseX64/dart"
     ],
     "front-end": [
-      ".packages",
       ".dart_tool/package_config.json",
       "out/ReleaseIA32/",
       "out/ReleaseX64/",
@@ -284,8 +277,7 @@
       "pkg/vm/",
       "runtime/",
       "sdk/",
-      ".dart_tool/package_config.json",
-      ".packages"
+      ".dart_tool/package_config.json"
     ],
     "vm-kernel": [
       "benchmarks/",
@@ -356,7 +348,6 @@
       "runtime/",
       "sdk/",
       ".dart_tool/package_config.json",
-      ".packages",
       ".vpython"
     ]
   },
@@ -3026,7 +3017,8 @@
           "name": "build dart",
           "script": "tools/build.py",
           "arguments": [
-            "runtime"
+            "runtime",
+            "dart2wasm"
           ]
         },
         {
@@ -4271,4 +4263,4 @@
     "macos": "buildtools/mac-x64/clang/bin/llvm-symbolizer",
     "windows": "buildtools/win-x64/clang/bin/llvm-symbolizer.exe"
   }
-}
\ No newline at end of file
+}
diff --git a/utils/aot_snapshot.gni b/utils/aot_snapshot.gni
new file mode 100644
index 0000000..5527528
--- /dev/null
+++ b/utils/aot_snapshot.gni
@@ -0,0 +1,118 @@
+# Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+# for details. All rights reserved. Use of this source code is governed by a
+# BSD-style license that can be found in the LICENSE file.
+
+import("../build/dart/dart_action.gni")
+import("../sdk_args.gni")
+
+_dart_root = get_path_info("..", "abspath")
+
+template("aot_snapshot") {
+  assert(defined(invoker.main_dart), "Must specify 'main_dart'")
+  gen_kernel_args = []
+  if (defined(invoker.gen_kernel_args)) {
+    gen_kernel_args = invoker.gen_kernel_args
+  }
+  gen_snapshot_args = []
+  if (defined(invoker.gen_snapshot_args)) {
+    gen_snapshot_args = invoker.gen_snapshot_args
+  }
+  main_dart = invoker.main_dart
+  name = target_name
+  if (defined(invoker.name)) {
+    name = invoker.name
+  }
+  extra_deps = []
+  if (defined(invoker.deps)) {
+    extra_deps += invoker.deps
+  }
+  extra_inputs = [ main_dart ]
+  if (defined(invoker.inputs)) {
+    extra_inputs += invoker.inputs
+  }
+  if (defined(invoker.dot_packages)) {
+    dot_packages = invoker.dot_packages
+  } else {
+    dot_packages = rebase_path("$_dart_root/.dart_tool/package_config.json")
+  }
+  output = "$root_out_dir/$name.snapshot"
+  if (defined(invoker.output)) {
+    output = invoker.output
+  }
+
+  dill = "$target_gen_dir/$name.dart.dill"
+
+  # Build the kernel file using the prebuilt VM to speed up the debug and
+  # simulator builds.
+  prebuilt_dart_action(target_name + "_dill") {
+    if (defined(invoker.pool)) {
+      pool = invoker.pool
+    }
+    deps = extra_deps + [
+             "$_dart_root/runtime/vm:kernel_platform_files($host_toolchain)",
+             "$_dart_root/runtime/vm:vm_platform",
+             "$_dart_root/utils/gen_kernel:bootstrap_gen_kernel",
+           ]
+    gen_kernel_kernel =
+        get_label_info("$_dart_root/utils/gen_kernel:bootstrap_gen_kernel",
+                       "target_gen_dir") + "/bootstrap_gen_kernel.dill"
+    platform_dill = "$root_out_dir/vm_platform_strong.dill"
+
+    inputs = extra_inputs + [
+               gen_kernel_kernel,
+               platform_dill,
+               main_dart,
+               dot_packages,
+             ]
+    output = dill
+    outputs = [ output ]
+
+    depfile = "$output.d"
+
+    vm_args = [
+      # Ensure gen_kernel.dart will use this SDK hash when consuming/producing kernel.
+      "-Dsdk_hash=$sdk_hash",
+    ]
+
+    script = gen_kernel_kernel
+
+    args = [
+      "--packages=" + rebase_path(dot_packages),
+      "--platform=" + rebase_path(platform_dill),
+      "--aot",
+      "--output=" + rebase_path(output, root_build_dir),
+      "--depfile=" + rebase_path(depfile),
+
+      # Ensure the compiled appliation (e.g. kernel-service, frontend-server,
+      # ...) will use this SDK hash when consuming/producing kernel.
+      #
+      # (Instead of ensuring every user of the "application_snapshot" /
+      # "kernel_snapshot" passes this if needed, we always pass it)
+      "-Dsdk_hash=$sdk_hash",
+    ]
+    args += gen_kernel_args
+    args += [ rebase_path(main_dart) ]
+  }
+
+  # Create a snapshot from kernel built above.
+  gen_snapshot_action(target_name) {
+    if (defined(invoker.pool)) {
+      pool = invoker.pool
+    }
+    deps = extra_deps + [ ":${target_name}_dill" ]
+
+    inputs = extra_inputs
+
+    outputs = [ output ]
+
+    abs_output = rebase_path(output)
+
+    vm_args = [
+                "--deterministic",
+                "--snapshot-kind=app-aot-elf",
+                "--elf=$abs_output",
+              ] + gen_snapshot_args
+
+    args = [ rebase_path(dill) ]
+  }
+}
diff --git a/utils/dart2wasm/BUILD.gn b/utils/dart2wasm/BUILD.gn
new file mode 100644
index 0000000..428922f
--- /dev/null
+++ b/utils/dart2wasm/BUILD.gn
@@ -0,0 +1,38 @@
+# Copyright (c) 2022, the Dart project authors.  Please see the AUTHORS file
+# for details. All rights reserved. Use of this source code is governed by a
+# BSD-style license that can be found in the LICENSE file.
+
+import("../aot_snapshot.gni")
+import("../compile_platform.gni")
+
+sdk_root = "../../sdk"
+
+aot_snapshot("dart2wasm_snapshot") {
+  main_dart = "../../pkg/dart2wasm/bin/dart2wasm.dart"
+  name = "dart2wasm"
+}
+
+aot_snapshot("dart2wasm_asserts_snapshot") {
+  main_dart = "../../pkg/dart2wasm/bin/dart2wasm.dart"
+  name = "dart2wasm_asserts"
+  gen_kernel_args = [ "--enable-asserts" ]
+  gen_snapshot_args = [ "--enable-asserts" ]
+}
+
+compile_platform("compile_dart2wasm_platform") {
+  single_root_scheme = "org-dartlang-sdk"
+  single_root_base = rebase_path("$sdk_root/")
+  libraries_specification_uri = "org-dartlang-sdk:///lib/libraries.json"
+
+  outputs = [
+    "$root_out_dir/dart2wasm_platform.dill",
+    "$root_out_dir/dart2wasm_outline.dill",
+  ]
+
+  args = [
+    "--target=dart2wasm",
+    "--no-defines",
+    "dart:core",
+    "--nnbd-strong",
+  ]
+}