diff --git a/kanken_online/__init__.py b/kanken_online/__init__.py
index 284616b..5c3c160 100644
--- a/kanken_online/__init__.py
+++ b/kanken_online/__init__.py
@@ -1,5 +1,6 @@
+import json
 import os
-from flask import Flask, redirect, render_template, g, request, session
+from flask import Flask, redirect, render_template, g, request, session, url_for
 from pathlib import Path
 from .auth import login_required
 
@@ -74,21 +75,6 @@ def create_app(test_config=None):
     def kotoba_page(kotoba: str):
         return render_template("kotoba.html", kotoba=kotoba)
     
-    @app.route("/translations", methods=["GET", "POST"])
-    def strings_translation():
-        if request.method == "GET":
-            strings = {}
-            for language, language_data in lang.LANGUAGES.items():
-                strings[language] = {
-                    string: translation for string, translation in language_data.items()
-                }
-
-            return render_template("translations.html", strings=strings)
-        else:
-            # TODO
-            print(request.form)
-            return redirect("/translations")
-
     from . import database
     database.initialize_app(app)
 
@@ -101,6 +87,26 @@ def create_app(test_config=None):
 
     from . import lang
 
+    @app.route("/translations", methods=["GET", "POST"])
+    def strings_translation():
+        if request.method == "GET":
+            strings = {}
+            for language, language_data in lang.LANGUAGES.items():
+                strings[language] = {
+                    string: translation for string, translation in language_data.items()
+                }
+
+            return render_template("translations.html", strings=strings)
+        else:
+            strings = {}
+            for i, language in enumerate(lang.LANGUAGES):
+                strings[language] = {
+                    string: request.form.getlist(string)[i] for string in request.form
+                }
+                with open(Path(app.root_path, "static", "lang", f"{language}.json"), mode="w") as f:
+                    json.dump(strings[language], f, ensure_ascii=False, indent=0)
+            return redirect("/translations")
+
     # def use_english(text_id: str):
     #     return lang.localize(text_id, lang.JAPANESE)
     app.jinja_env.globals.update(localize=lang.localize)
diff --git a/kanken_online/templates/translations.html b/kanken_online/templates/translations.html
index 7d205b3..321ec3c 100644
--- a/kanken_online/templates/translations.html
+++ b/kanken_online/templates/translations.html
@@ -10,7 +10,7 @@
   <h2>{{ language }}</h2>
   {% for string, translation in data.items() %}
       <label for="{{ string }}">{{ string }}</label>
-      <input type="text" id="{{ string }}" value="{{ translation }}">
+      <input type="text" id="{{ string }}" name="{{ string }}" value="{{ translation }}">
       <br>
   {% endfor %}
   {% endfor %}