diff --git a/Iceshrimp.Backend/Core/Extensions/GuidExtensions.cs b/Iceshrimp.Backend/Core/Extensions/GuidExtensions.cs
new file mode 100644
index 00000000..c2d1f79a
--- /dev/null
+++ b/Iceshrimp.Backend/Core/Extensions/GuidExtensions.cs
@@ -0,0 +1,6 @@
+namespace Iceshrimp.Backend.Core.Extensions;
+
+public static class GuidExtensions
+{
+	public static string ToStringLower(this Guid guid) => guid.ToString().ToLowerInvariant();
+}
\ No newline at end of file
diff --git a/Iceshrimp.Backend/Core/Federation/ActivityPub/ActivityRenderer.cs b/Iceshrimp.Backend/Core/Federation/ActivityPub/ActivityRenderer.cs
index eade9ffe..4e94a7b3 100644
--- a/Iceshrimp.Backend/Core/Federation/ActivityPub/ActivityRenderer.cs
+++ b/Iceshrimp.Backend/Core/Federation/ActivityPub/ActivityRenderer.cs
@@ -1,6 +1,7 @@
 using System.Diagnostics.CodeAnalysis;
 using Iceshrimp.Backend.Core.Configuration;
 using Iceshrimp.Backend.Core.Database.Tables;
+using Iceshrimp.Backend.Core.Extensions;
 using Iceshrimp.Backend.Core.Federation.ActivityStreams.Types;
 using Iceshrimp.Backend.Core.Middleware;
 using Microsoft.Extensions.Options;
@@ -14,7 +15,7 @@ public class ActivityRenderer(
 )
 {
 	private string GenerateActivityId() =>
-		$"https://{config.Value.WebDomain}/activities/ephemeral/{Guid.NewGuid().ToString().ToLowerInvariant()}";
+		$"https://{config.Value.WebDomain}/activities/ephemeral/{Guid.NewGuid().ToStringLower()}";
 
 	public static ASCreate RenderCreate(ASNote obj, ASObject actor) => new()
 	{
diff --git a/Iceshrimp.Backend/Core/Queues/InboxQueue.cs b/Iceshrimp.Backend/Core/Queues/InboxQueue.cs
index c67df6ca..dc985952 100644
--- a/Iceshrimp.Backend/Core/Queues/InboxQueue.cs
+++ b/Iceshrimp.Backend/Core/Queues/InboxQueue.cs
@@ -1,4 +1,5 @@
 using Iceshrimp.Backend.Core.Database.Tables;
+using Iceshrimp.Backend.Core.Extensions;
 using Iceshrimp.Backend.Core.Federation.ActivityStreams;
 using Iceshrimp.Backend.Core.Federation.ActivityStreams.Types;
 using Iceshrimp.Backend.Core.Middleware;
@@ -19,7 +20,7 @@ public class InboxQueue() : PostgresJobQueue<InboxJobData>("inbox", InboxQueuePr
 	)
 	{
 		var logger = scope.GetRequiredService<ILogger<InboxQueue>>();
-		logger.LogDebug("Processing inbox job {id}", job.Id.ToString().ToLowerInvariant());
+		logger.LogDebug("Processing inbox job {id}", job.Id.ToStringLower());
 		var expanded = LdHelpers.Expand(JToken.Parse(jobData.Body)) ?? throw new Exception("Failed to expand ASObject");
 		var obj      = ASObject.Deserialize(expanded) ?? throw new Exception("Failed to deserialize ASObject");
 		if (obj is not ASActivity activity)
diff --git a/Iceshrimp.Backend/Core/Services/DriveService.cs b/Iceshrimp.Backend/Core/Services/DriveService.cs
index b8b7d964..ca33131d 100644
--- a/Iceshrimp.Backend/Core/Services/DriveService.cs
+++ b/Iceshrimp.Backend/Core/Services/DriveService.cs
@@ -3,6 +3,7 @@ using Blurhash.ImageSharp;
 using Iceshrimp.Backend.Core.Configuration;
 using Iceshrimp.Backend.Core.Database;
 using Iceshrimp.Backend.Core.Database.Tables;
+using Iceshrimp.Backend.Core.Extensions;
 using Iceshrimp.Backend.Core.Federation.Cryptography;
 using Iceshrimp.Backend.Core.Helpers;
 using Iceshrimp.Backend.Core.Middleware;
@@ -318,14 +319,14 @@ public class DriveService(
 
 	private static string GenerateFilenameKeepingExtension(string filename)
 	{
-		var guid = Guid.NewGuid().ToString().ToLowerInvariant();
+		var guid = Guid.NewGuid().ToStringLower();
 		var ext  = Path.GetExtension(filename);
 		return guid + ext;
 	}
 
 	private static string GenerateWebpFilename(string prefix = "")
 	{
-		var guid = Guid.NewGuid().ToString().ToLowerInvariant();
+		var guid = Guid.NewGuid().ToStringLower();
 		return $"{prefix}{guid}.webp";
 	}
 
@@ -340,7 +341,7 @@ public class DriveService(
 public class DriveFileCreationRequest
 {
 	public          string?                     Comment;
-	public required string                      Filename = Guid.NewGuid().ToString().ToLowerInvariant();
+	public required string                      Filename = Guid.NewGuid().ToStringLower();
 	public required bool                        IsSensitive;
 	public required string                      MimeType;
 	public          Dictionary<string, string>? RequestHeaders;
diff --git a/Iceshrimp.Backend/Core/Services/QueueService.cs b/Iceshrimp.Backend/Core/Services/QueueService.cs
index 02b8aaeb..7b2a9b01 100644
--- a/Iceshrimp.Backend/Core/Services/QueueService.cs
+++ b/Iceshrimp.Backend/Core/Services/QueueService.cs
@@ -436,12 +436,13 @@ public class PostgresJobQueue<T>(
 			var queueName = data is BackgroundTaskJobData ? name + $" ({data.GetType().Name})" : name;
 			if (e is GracefulException { Details: not null } ce)
 			{
-				logger.LogError("Failed to process job in {queue} queue: {error} - {details}",
-				                queueName, ce.Message, ce.Details);
+				logger.LogError("Failed to process job {id} in {queue} queue: {error} - {details}",
+				                queueName, job.Id.ToStringLower(), ce.Message, ce.Details);
 			}
 			else
 			{
-				logger.LogError(e, "Failed to process job in {queue} queue:", queueName);
+				logger.LogError(e, "Failed to process job {id} in {queue} queue:", job.Id.ToStringLower(),
+				                queueName);
 			}
 		}