diff --git a/.github/workflows/check_translations.yml b/.github/workflows/check_translations.yml
new file mode 100644
index 0000000000..1a300754e7
--- /dev/null
+++ b/.github/workflows/check_translations.yml
@@ -0,0 +1,30 @@
+name: Check Translations
+
+on:
+  push:
+    branches-ignore:
+      - "dependabot/**"
+    tags-ignore:
+      - "**"
+    paths:
+      - "src/main/resources/assets/wurst/translations/**.json"
+  pull_request:
+    paths:
+      - "src/main/resources/assets/wurst/translations/**.json"
+  workflow_dispatch:
+
+jobs:
+  check_translations:
+    runs-on: ubuntu-latest
+    steps:
+
+    - name: Checkout repository
+      uses: actions/checkout@v4
+
+    - name: Set up Python 3.12
+      uses: actions/setup-python@v5
+      with:
+        python-version: "3.12"
+
+    - name: Run check_translations.py
+      run: python scripts/check_translations.py
diff --git a/.gitignore b/.gitignore
index 5eb7947162..5120bab51e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,4 +30,7 @@ remappedSrc/
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*
 
-desktop.ini
\ No newline at end of file
+# python
+*.pyc
+
+desktop.ini
diff --git a/scripts/check_translations.py b/scripts/check_translations.py
new file mode 100644
index 0000000000..e358bfd4ff
--- /dev/null
+++ b/scripts/check_translations.py
@@ -0,0 +1,47 @@
+import util
+from pathlib import Path
+
+translations_dir = Path("src") / "main" / "resources" / "assets" / "wurst" / "translations"
+
+
+def show_translation_stats(en_us: dict, translations: dict):
+	"""Render a table of the current translation progress for each language."""
+	util.add_github_summary("| Language | Translated | % |")
+	util.add_github_summary("| --- | --- | --- |")
+	util.add_github_summary(f"| en_us | {len(en_us)} | 100.00% |")
+	for lang, data in translations.items():
+		util.add_github_summary(f"| {lang} | {len(data)} | {len(data) / len(en_us) * 100:.2f}% |")
+	util.add_github_summary("")
+
+
+def check_extra_keys(en_us: dict, translations: dict):
+	"""Check if any translation files contain keys that don't exist in the original."""
+	extra_keys_found = False
+	for lang, data in translations.items():
+		extra_keys = set(data.keys()) - set(en_us.keys())
+		if extra_keys:
+			extra_keys_found = True
+			util.add_github_summary(
+				f"⚠ {lang}.json contains translations that don't exist in en_us.json ({len(extra_keys)} found):"
+			)
+			for key in extra_keys:
+				util.add_github_summary(f"- {key}")
+	if extra_keys_found:
+		raise Exception("Found extra keys in one or more translation files, see summary")
+
+
+def main():
+	en_us = util.read_json_file(translations_dir / "en_us.json")
+	translations = {}
+	for path in translations_dir.rglob("*.json"):
+		if path.is_file() and path.name != "en_us.json":
+			lang = path.name.removesuffix(".json")
+			data = util.read_json_file(path)
+			translations[lang] = data
+
+	show_translation_stats(en_us, translations)
+	check_extra_keys(en_us, translations)
+
+
+if __name__ == "__main__":
+	main()
diff --git a/scripts/util.py b/scripts/util.py
new file mode 100644
index 0000000000..7a9ef32f57
--- /dev/null
+++ b/scripts/util.py
@@ -0,0 +1,17 @@
+import json
+import os
+from pathlib import Path
+
+
+def read_json_file(path: Path) -> dict:
+	"""Read a JSON data file."""
+	return json.loads(path.read_text(encoding="utf-8"))
+
+
+def add_github_summary(summary: str):
+	"""Add a line to the GitHub Actions summary for the current step."""
+	if "GITHUB_STEP_SUMMARY" not in os.environ:
+		print(f"Not running on GHA, would have set summary: {summary}")
+		return
+	with open(os.environ["GITHUB_STEP_SUMMARY"], "a") as summary_file:
+		print(summary, file=summary_file)