diff --git a/.github/workflows/Build.SyncChecker.yml b/.github/workflows/Build.SyncChecker.yml
new file mode 100644
index 00000000..5a944759
--- /dev/null
+++ b/.github/workflows/Build.SyncChecker.yml
@@ -0,0 +1,32 @@
+name: Build Sync Checker
+
+on:
+  workflow_call:
+    inputs:
+      build-cfg:
+        required: true
+        type: string
+        default: Release
+
+jobs:
+  build-sync-checker:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          submodules: 'recursive'
+      - name: Setup .NET
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: '8.0'
+
+      - name: Publish
+        run: dotnet publish SyncChecker -c ${{ inputs.build-cfg }} -p:UseAppHost=false --output build-sync-checker
+
+      - name: Upload Artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: SyncChecker
+          path: build-sync-checker/**
diff --git a/.github/workflows/Build.yml b/.github/workflows/Build.yml
index eae4fa26..d00afceb 100644
--- a/.github/workflows/Build.yml
+++ b/.github/workflows/Build.yml
@@ -1,4 +1,4 @@
-name: Build CelesteTAS + Studio
+name: Build
 
 on:
   workflow_call:
@@ -27,6 +27,11 @@ jobs:
     with:
       build-cfg: Debug
 
+  build-sync-checker:
+    uses: ./.github/workflows/Build.SyncChecker.yml
+    with:
+      build-cfg: Debug
+
   build-celestetas:
     runs-on: ubuntu-latest
     needs: build-studio
diff --git a/.github/workflows/Release.yml b/.github/workflows/Release.yml
index 01ea7103..eafbf37b 100644
--- a/.github/workflows/Release.yml
+++ b/.github/workflows/Release.yml
@@ -59,10 +59,16 @@ jobs:
       build-cfg: Release
     needs: generate-changelog
 
+  build-sync-checker:
+    uses: ./.github/workflows/Build.SyncChecker.yml
+    with:
+      build-cfg: Release
+
   release:
     runs-on: ubuntu-latest
     needs:
       - build-studio
+      - build-sync-checker
       - generate-changelog
 
     steps:
@@ -93,6 +99,16 @@ jobs:
           mv CelesteStudio-macos-x64/CelesteStudio-macos-x64.zip .
           mv CelesteStudio-macos-arm64/CelesteStudio-macos-arm64.zip .
 
+      - name: Download SyncChecker builds
+        uses: actions/download-artifact@v4
+        with:
+          pattern: SyncChecker
+      - name: Generate SyncChecker archive
+        run: |
+          pushd SyncChecker
+          zip ../SyncChecker.zip **
+          popd
+
       - name: Fill-in download info
         run: |
           sed -i "s\\false; //DOUBLE_ZIP_ARCHIVE\\false;\\" CelesteTAS-EverestInterop/Source/EverestInterop/StudioHelper.cs
@@ -159,6 +175,7 @@ jobs:
             CelesteStudio-linux-x64.zip
             CelesteStudio-macos-x64.zip
             CelesteStudio-macos-arm64.zip
+            SyncChecker.zip
 
       - name: Clean-up changelog artifacts
         uses: geekyeggo/delete-artifact@v5