diff --git a/Tools/dump_user_data.py b/Tools/dump_user_data.py
index db42834195..2030280c79 100755
--- a/Tools/dump_user_data.py
+++ b/Tools/dump_user_data.py
@@ -103,7 +103,7 @@ FROM (
 
     json_data = cur.fetchall()[0][0]
 
-    with open(os.path.join(outdir, "admin.json"), "w") as f:
+    with open(os.path.join(outdir, "admin.json"), "w", encoding="utf-8") as f:
         f.write(json_data)
 
 
@@ -129,7 +129,7 @@ FROM (
 
     json_data = cur.fetchall()[0][0]
 
-    with open(os.path.join(outdir, "admin_log.json"), "w") as f:
+    with open(os.path.join(outdir, "admin_log.json"), "w", encoding="utf-8") as f:
         f.write(json_data)
 
 
@@ -151,7 +151,7 @@ FROM (
 
     json_data = cur.fetchall()[0][0]
 
-    with open(os.path.join(outdir, "admin_notes.json"), "w") as f:
+    with open(os.path.join(outdir, "admin_notes.json"), "w", encoding="utf-8") as f:
         f.write(json_data)
 
 
@@ -177,7 +177,7 @@ FROM (
 
     json_data = cur.fetchall()[0][0]
 
-    with open(os.path.join(outdir, "connection_log.json"), "w") as f:
+    with open(os.path.join(outdir, "connection_log.json"), "w", encoding="utf-8") as f:
         f.write(json_data)
 
 
@@ -199,7 +199,7 @@ FROM (
 
     json_data = cur.fetchall()[0][0]
 
-    with open(os.path.join(outdir, "play_time.json"), "w") as f:
+    with open(os.path.join(outdir, "play_time.json"), "w", encoding="utf-8") as f:
         f.write(json_data)
 
 
@@ -225,7 +225,7 @@ FROM (
 
     json_data = cur.fetchall()[0][0]
 
-    with open(os.path.join(outdir, "player.json"), "w") as f:
+    with open(os.path.join(outdir, "player.json"), "w", encoding="utf-8") as f:
         f.write(json_data)
 
 
@@ -270,7 +270,7 @@ FROM (
 
     json_data = cur.fetchall()[0][0]
 
-    with open(os.path.join(outdir, "preference.json"), "w") as f:
+    with open(os.path.join(outdir, "preference.json"), "w", encoding="utf-8") as f:
         f.write(json_data)
 
 
@@ -296,7 +296,7 @@ FROM (
 
     json_data = cur.fetchall()[0][0]
 
-    with open(os.path.join(outdir, "server_ban.json"), "w") as f:
+    with open(os.path.join(outdir, "server_ban.json"), "w", encoding="utf-8") as f:
         f.write(json_data)
 
 
@@ -322,7 +322,7 @@ FROM (
 
     json_data = cur.fetchall()[0][0]
 
-    with open(os.path.join(outdir, "server_role_ban.json"), "w") as f:
+    with open(os.path.join(outdir, "server_role_ban.json"), "w", encoding="utf-8") as f:
         f.write(json_data)
 
 
@@ -344,7 +344,7 @@ FROM (
 
     json_data = cur.fetchall()[0][0]
 
-    with open(os.path.join(outdir, "uploaded_resource_log.json"), "w") as f:
+    with open(os.path.join(outdir, "uploaded_resource_log.json"), "w", encoding="utf-8") as f:
         f.write(json_data)
 
 
@@ -366,7 +366,7 @@ FROM (
 
     json_data = cur.fetchall()[0][0]
 
-    with open(os.path.join(outdir, "whitelist.json"), "w") as f:
+    with open(os.path.join(outdir, "whitelist.json"), "w", encoding="utf-8") as f:
         f.write(json_data)
 
 
diff --git a/Tools/erase_user_data.py b/Tools/erase_user_data.py
new file mode 100644
index 0000000000..f8e29f9f60
--- /dev/null
+++ b/Tools/erase_user_data.py
@@ -0,0 +1,192 @@
+#!/usr/bin/env python3
+
+# Script for erasing all data about a user from the database.
+# Intended for GDPR erasure requests.
+#
+# NOTE: We recommend implementing a "GDPR Erasure Ban" on the user's last IP/HWID before erasing their data, to prevent abuse.
+# This is acceptable under the GDPR as a "legitimate interest" to prevent GDPR erasure being used to avoid moderation/bans.
+# You would need to do this *before* running this script, to avoid losing the IP/HWID of the user entirely.
+
+import argparse
+import os
+import psycopg2
+from uuid import UUID
+
+LATEST_DB_MIGRATION = "20220816163319_Traits"
+
+def main():
+    parser = argparse.ArgumentParser()
+    # Yes we need both to reliably pseudonymize the admin_log table.
+    parser.add_argument("user_id", help="User ID to erase data for")
+    parser.add_argument("user_name", help="User name to erase data for")
+    parser.add_argument("--ignore-schema-mismatch", action="store_true")
+    parser.add_argument("--connection-string", required=True, help="Database connection string to use. See https://www.postgresql.org/docs/current/libpq-connect.html#LIBPQ-CONNSTRING")
+
+    args = parser.parse_args()
+
+    conn = psycopg2.connect(args.connection_string)
+    cur = conn.cursor()
+
+    check_schema_version(cur, args.ignore_schema_mismatch)
+    user_id = args.user_id
+    user_name = args.user_name
+
+    clear_admin(cur, user_id)
+    pseudonymize_admin_log(cur, user_name, user_id)
+    clear_assigned_user_id(cur, user_id)
+    clear_connection_log(cur, user_id)
+    clear_play_time(cur, user_id)
+    clear_player(cur, user_id)
+    clear_preference(cur, user_id)
+    clear_server_ban(cur, user_id)
+    clear_server_role_ban(cur, user_id)
+    clear_uploaded_resource_log(cur, user_id)
+    clear_whitelist(cur, user_id)
+
+    print("Committing...")
+    conn.commit()
+
+
+def check_schema_version(cur: "psycopg2.cursor", ignore_mismatch: bool):
+    cur.execute('SELECT "MigrationId" FROM "__EFMigrationsHistory" ORDER BY "__EFMigrationsHistory" DESC LIMIT 1')
+    schema_version = cur.fetchone()
+    if schema_version == None:
+        print("Unable to read database schema version.")
+        exit(1)
+
+    if schema_version[0] != LATEST_DB_MIGRATION:
+        print(f"Unsupport schema version of DB: '{schema_version[0]}'. Supported: {LATEST_DB_MIGRATION}")
+        if ignore_mismatch:
+            return
+        exit(1)
+
+
+def clear_admin(cur: "psycopg2.cursor", user_id: str):
+    print("Clearing admin...")
+
+    cur.execute("""
+DELETE FROM
+    admin
+WHERE
+    user_id = %s
+""", (user_id,))
+
+
+def pseudonymize_admin_log(cur: "psycopg2.cursor", user_name: str, user_id: str):
+    print("Pseudonymizing admin_log...")
+
+    cur.execute("""
+UPDATE
+    admin_log l
+SET
+    message = replace(message, %s, %s)
+FROM
+    admin_log_player lp
+WHERE
+    lp.round_id = l.round_id AND lp.log_id = l.admin_log_id AND player_user_id = %s;
+""", (user_name, user_id, user_id,))
+
+
+def clear_assigned_user_id(cur: "psycopg2.cursor", user_id: str):
+    print("Clearing assigned_user_id...")
+
+    cur.execute("""
+DELETE FROM
+    assigned_user_id
+WHERE
+    user_id = %s
+""", (user_id,))
+
+
+def clear_connection_log(cur: "psycopg2.cursor", user_id: str):
+    print("Clearing connection_log...")
+
+    cur.execute("""
+DELETE FROM
+    connection_log
+WHERE
+    user_id = %s
+""", (user_id,))
+
+
+def clear_play_time(cur: "psycopg2.cursor", user_id: str):
+    print("Clearing play_time...")
+
+    cur.execute("""
+DELETE FROM
+    play_time
+WHERE
+    player_id = %s
+""", (user_id,))
+
+
+def clear_player(cur: "psycopg2.cursor", user_id: str):
+    print("Clearing player...")
+
+    cur.execute("""
+DELETE FROM
+    player
+WHERE
+    user_id = %s
+""", (user_id,))
+
+
+def clear_preference(cur: "psycopg2.cursor", user_id: str):
+    print("Clearing preference...")
+
+    cur.execute("""
+DELETE FROM
+    preference
+WHERE
+    user_id = %s
+""", (user_id,))
+
+
+def clear_server_ban(cur: "psycopg2.cursor", user_id: str):
+    print("Clearing server_ban...")
+
+    cur.execute("""
+DELETE FROM
+    server_ban
+WHERE
+    user_id = %s
+""", (user_id,))
+
+
+def clear_server_role_ban(cur: "psycopg2.cursor", user_id: str):
+    print("Clearing server_role_ban...")
+
+    cur.execute("""
+DELETE FROM
+    server_role_ban
+WHERE
+    user_id = %s
+""", (user_id,))
+
+
+def clear_uploaded_resource_log(cur: "psycopg2.cursor", user_id: str):
+    print("Clearing uploaded_resource_log...")
+
+    cur.execute("""
+DELETE FROM
+    uploaded_resource_log
+WHERE
+    user_id = %s
+""", (user_id,))
+
+
+def clear_whitelist(cur: "psycopg2.cursor", user_id: str):
+    print("Clearing whitelist...")
+
+    cur.execute("""
+DELETE FROM
+    whitelist
+WHERE
+    user_id = %s
+""", (user_id,))
+
+
+main()
+
+# "I'm surprised you managed to write this entire Python file without spamming the word 'sus' everywhere." - Remie
+