diff --git a/Cargo.lock b/Cargo.lock
index a29e189..a4706cd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1638,7 +1638,7 @@ checksum = "7bd3e3206899af3f8b12af284fafc038cc1dc2b41d1b89dd17297221c5d225de"
 
 [[package]]
 name = "site_icons"
-version = "0.4.11"
+version = "0.4.12"
 dependencies = [
  "byteorder",
  "clap",
diff --git a/Cargo.toml b/Cargo.toml
index 7677b77..f4770b8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "site_icons"
-version = "0.4.11"
+version = "0.4.12"
 authors = ["Sam Denty <sam@samdenty.com>"]
 edition = "2018"
 license = "GPL-3.0"
diff --git a/src/icon_info.rs b/src/icon_info.rs
index 9f7bf07..a46b0b7 100644
--- a/src/icon_info.rs
+++ b/src/icon_info.rs
@@ -160,6 +160,16 @@ impl IconInfo {
       IconInfo::SVG => None,
     }
   }
+
+  pub fn mime_type(&self) -> &'static str {
+    match self {
+      IconInfo::PNG { .. } => "image/png",
+      IconInfo::JPEG { .. } => "image/jpeg",
+      IconInfo::ICO { .. } => "image/x-icon",
+      IconInfo::GIF { .. } => "image/gif",
+      IconInfo::SVG => "image/svg+xml",
+    }
+  }
 }
 
 impl Display for IconInfo {