diff --git a/src/NadekoBot/Common/OldCreds.cs b/src/NadekoBot/Common/OldCreds.cs
new file mode 100644
index 000000000..8b14615b0
--- /dev/null
+++ b/src/NadekoBot/Common/OldCreds.cs
@@ -0,0 +1,45 @@
+namespace NadekoBot.Common;
+
+public class OldCreds
+{
+    public string Token { get; set; } = string.Empty;
+    public ulong[] OwnerIds { get; set; } = new ulong[1];
+    public string LoLApiKey { get; set; } = string.Empty;
+    public string GoogleApiKey { get; set; } = string.Empty;
+    public string MashapeKey { get; set; } = string.Empty;
+    public string OsuApiKey { get; set; } = string.Empty;
+    public string SoundCloudClientId { get; set; } = string.Empty;
+    public string CleverbotApiKey { get; set; } = string.Empty;
+    public string CarbonKey { get; set; } = string.Empty;
+    public int TotalShards { get; set; } = 1;
+    public string PatreonAccessToken { get; set; } = string.Empty;
+    public string PatreonCampaignId { get; set; } = "334038";
+    public RestartConfig RestartCommand { get; set; }
+
+    public string ShardRunCommand { get; set; } = string.Empty;
+    public string ShardRunArguments { get; set; } = string.Empty;
+    public int? ShardRunPort { get; set; }
+    public string MiningProxyUrl { get; set; } = string.Empty;
+    public string MiningProxyCreds { get; set; } = string.Empty;
+
+    public string BotListToken { get; set; } = string.Empty;
+    public string TwitchClientId { get; set; } = string.Empty;
+    public string VotesToken { get; set; } = string.Empty;
+    public string VotesUrl { get; set; } = string.Empty;
+    public string RedisOptions { get; set; } = string.Empty;
+    public string LocationIqApiKey { get; set; } = string.Empty;
+    public string TimezoneDbApiKey { get; set; } = string.Empty;
+    public string CoinmarketcapApiKey { get; set; } = string.Empty;
+
+    public class RestartConfig
+    {
+        public string Cmd { get; set; }
+        public string Args { get; set; }
+
+        public RestartConfig(string cmd, string args)
+        {
+            Cmd = cmd;
+            Args = args;
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/NadekoBot/Services/Impl/BotCredsProvider.cs b/src/NadekoBot/Services/Impl/BotCredsProvider.cs
index 60d428859..69bea0125 100644
--- a/src/NadekoBot/Services/Impl/BotCredsProvider.cs
+++ b/src/NadekoBot/Services/Impl/BotCredsProvider.cs
@@ -116,8 +116,52 @@ public sealed class BotCredsProvider : IBotCredsProvider
         Reload();
     }
     
+    private string OldCredsJsonPath
+        => Path.Combine(Directory.GetCurrentDirectory(), "credentials.json");
+
+    private string OldCredsJsonBackupPath
+        => Path.Combine(Directory.GetCurrentDirectory(), "credentials.json.bak");
+    
     private void MigrateCredentials()
     {
+        if (File.Exists(OldCredsJsonPath))
+        {
+            Log.Information("Migrating old creds...");
+            var jsonCredentialsFileText = File.ReadAllText(OldCredsJsonPath);
+            var oldCreds = JsonConvert.DeserializeObject<OldCreds>(jsonCredentialsFileText);
+
+            if (oldCreds is null)
+            {
+                Log.Error("Error while reading old credentials file. Make sure that the file is formatted correctly");
+                return;
+            }
+
+            var creds = new Creds
+            {
+                Version = 1,
+                Token = oldCreds.Token,
+                OwnerIds = oldCreds.OwnerIds.Distinct().ToHashSet(),
+                GoogleApiKey = oldCreds.GoogleApiKey,
+                RapidApiKey = oldCreds.MashapeKey,
+                OsuApiKey = oldCreds.OsuApiKey,
+                CleverbotApiKey = oldCreds.CleverbotApiKey,
+                TotalShards = oldCreds.TotalShards <= 1 ? 1 : oldCreds.TotalShards,
+                Patreon = new(oldCreds.PatreonAccessToken, null, null, oldCreds.PatreonCampaignId),
+                Votes = new(oldCreds.VotesUrl, oldCreds.VotesToken, string.Empty, string.Empty),
+                BotListToken = oldCreds.BotListToken,
+                RedisOptions = oldCreds.RedisOptions,
+                LocationIqApiKey = oldCreds.LocationIqApiKey,
+                TimezoneDbApiKey = oldCreds.TimezoneDbApiKey,
+                CoinmarketcapApiKey = oldCreds.CoinmarketcapApiKey
+            };
+
+            File.Move(OldCredsJsonPath, OldCredsJsonBackupPath, true);
+            File.WriteAllText(CredsPath, Yaml.Serializer.Serialize(creds));
+
+            Log.Warning(
+                "Data from credentials.json has been moved to creds.yml\nPlease inspect your creds.yml for correctness");
+        }
+        
         if (File.Exists(CREDS_FILE_NAME))
         {
             var creds = Yaml.Deserializer.Deserialize<Creds>(File.ReadAllText(CREDS_FILE_NAME));