diff --git a/src/base62.rs b/src/base62.rs
index 821e3f4..01919d3 100644
--- a/src/base62.rs
+++ b/src/base62.rs
@@ -9,6 +9,8 @@
 use base62;
 use sha2::Digest;
 
+pub type Base62 = String;
+
 /// Given a number, convert it to a string in the 62 symbol Base62 alphabet.
 pub fn to_base62(n: u64) -> String {
     // use the encoder from the base62 crate
diff --git a/src/english16.rs b/src/english16.rs
index dff4702..302a3df 100644
--- a/src/english16.rs
+++ b/src/english16.rs
@@ -41,6 +41,8 @@
 
 use crate::greater_than;
 
+pub type English16 = String;
+
 /// Given a number, convert it to a string in the English16 base 16 symbol
 /// alphabet.
 ///
diff --git a/src/latin25.rs b/src/latin25.rs
index f31ca1b..7d72763 100644
--- a/src/latin25.rs
+++ b/src/latin25.rs
@@ -45,6 +45,8 @@
 use crate::greater_than;
 use sha2::Digest;
 
+pub type Latin25 = String;
+
 /// Given a number, convert it to a string in the Latin25 base 25 symbol
 /// alphabet.
 ///