Use ternary operator

src/ImageSharp/Formats/Bmp/BmpImageFormatDetector.cs

@@ -16,12 +16,7 @@ namespace SixLabors.ImageSharp.Formats.Bmp
         /// <inheritdoc/>
         public IImageFormat DetectFormat(ReadOnlySpan<byte> header)
         {
-            if (this.IsSupportedFileFormat(header))
+            return this.IsSupportedFileFormat(header) ? ImageFormats.Bmp : null;
-            {
-                return ImageFormats.Bmp;
-            }
-
-            return null;
         }
 
         private bool IsSupportedFileFormat(ReadOnlySpan<byte> header)

src/ImageSharp/Formats/ImageFormatManager.cs

@@ -5,7 +5,6 @@ using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Linq;
-using System.Text;
 
 namespace SixLabors.ImageSharp.Formats
 {
@@ -87,9 +86,9 @@ namespace SixLabors.ImageSharp.Formats
         {
             Guard.NotNullOrWhiteSpace(extension, nameof(extension));
 
-            if (extension[0] == '.')
+            if (extension[0] == '.')
-            {
+            {
-                extension = extension.Substring(1);
+                extension = extension.Substring(1);
             }
 
             return this.imageFormats.FirstOrDefault(x => x.FileExtensions.Contains(extension, StringComparer.OrdinalIgnoreCase));
@@ -158,12 +157,10 @@ namespace SixLabors.ImageSharp.Formats
         public IImageDecoder FindDecoder(IImageFormat format)
         {
             Guard.NotNull(format, nameof(format));
-            if (this.mimeTypeDecoders.TryGetValue(format, out IImageDecoder decoder))
-            {
-                return decoder;
-            }
 
-            return null;
+            return this.mimeTypeDecoders.TryGetValue(format, out IImageDecoder decoder)
+                ? decoder
+                : null;
         }
 
         /// <summary>
@@ -174,12 +171,10 @@ namespace SixLabors.ImageSharp.Formats
         public IImageEncoder FindEncoder(IImageFormat format)
         {
             Guard.NotNull(format, nameof(format));
-            if (this.mimeTypeEncoders.TryGetValue(format, out IImageEncoder encoder))
-            {
-                return encoder;
-            }
 
-            return null;
+            return this.mimeTypeEncoders.TryGetValue(format, out IImageEncoder encoder)
+                ? encoder
+                : null;
         }
 
         /// <summary>

src/ImageSharp/Formats/Jpeg/Components/Decoder/ColorConverters/JpegColorConverter.cs

@@ -62,7 +62,7 @@ namespace SixLabors.ImageSharp.Formats.Jpeg.Components.Decoder.ColorConverters
         /// Returns the <see cref="JpegColorConverter"/> for the YCbCr colorspace that matches the current CPU architecture.
         /// </summary>
         private static JpegColorConverter GetYCbCrConverter() =>
-            JpegColorConverter.FromYCbCrSimdAvx2.IsAvailable ? (JpegColorConverter)new JpegColorConverter.FromYCbCrSimdAvx2() : new JpegColorConverter.FromYCbCrSimd();
+            FromYCbCrSimdAvx2.IsAvailable ? (JpegColorConverter)new FromYCbCrSimdAvx2() : new FromYCbCrSimd();
 
         /// <summary>
         /// A stack-only struct to reference the input buffers using <see cref="ReadOnlySpan{T}"/>-s.

src/ImageSharp/Formats/Png/PngImageFormatDetector.cs

@@ -17,12 +17,7 @@ namespace SixLabors.ImageSharp.Formats.Png
         /// <inheritdoc/>
         public IImageFormat DetectFormat(ReadOnlySpan<byte> header)
         {
-            if (this.IsSupportedFileFormat(header))
+            return this.IsSupportedFileFormat(header) ? ImageFormats.Png : null;
-            {
-                return ImageFormats.Png;
-            }
-
-            return null;
         }
 
         private bool IsSupportedFileFormat(ReadOnlySpan<byte> header)

src/ImageSharp/Image.Decode.cs

@@ -48,12 +48,10 @@ namespace SixLabors.ImageSharp
         private static IImageDecoder DiscoverDecoder(Stream stream, Configuration config, out IImageFormat format)
         {
             format = InternalDetectFormat(stream, config);
-            if (format != null)
-            {
-                return config.ImageFormatsManager.FindDecoder(format);
-            }
 
-            return null;
+            return format != null
+                ? config.ImageFormatsManager.FindDecoder(format)
+                : null;
         }
 
 #pragma warning disable SA1008 // Opening parenthesis must be spaced correctly