diff --git a/migrations/2019-08-15-123406_identifiers/down.sql b/migrations/2019-08-15-123406_identifiers/down.sql
new file mode 100644
index 0000000..9069a7e
--- /dev/null
+++ b/migrations/2019-08-15-123406_identifiers/down.sql
@@ -0,0 +1,2 @@
+ALTER TABLE languages DROP COLUMN identifier;
+ALTER TABLE wrappers DROP COLUMN identifier;
diff --git a/migrations/2019-08-15-123406_identifiers/up.sql b/migrations/2019-08-15-123406_identifiers/up.sql
new file mode 100644
index 0000000..9091290
--- /dev/null
+++ b/migrations/2019-08-15-123406_identifiers/up.sql
@@ -0,0 +1,44 @@
+ALTER TABLE languages ADD COLUMN identifier text;
+
+UPDATE languages SET identifier = CASE name
+    WHEN 'Plain text' THEN 'plain-text'
+    WHEN 'C' THEN 'c'
+    WHEN 'C++' THEN 'c-plus-plus'
+    WHEN 'C#' THEN 'c-sharp'
+    WHEN 'Haskell' THEN 'haskell'
+    WHEN 'HTML' THEN 'html'
+    WHEN 'Java' THEN 'java'
+    WHEN 'JavaScript' THEN 'javascript'
+    WHEN 'Jinja2' THEN 'jinja2'
+    WHEN 'JSX' THEN 'jsx'
+    WHEN 'Markdown' THEN 'markdown'
+    WHEN 'Perl' THEN 'perl'
+    WHEN 'Perl 6' THEN 'perl6'
+    WHEN 'PHP' THEN 'php'
+    WHEN 'PostgreSQL' THEN 'postgresql'
+    WHEN 'Python 2' THEN 'python2'
+    WHEN 'Python 3' THEN 'python3'
+    WHEN 'Rust' THEN 'rust'
+    WHEN 'Sh' THEN 'sh'
+    WHEN 'SQL' THEN 'sql'
+    WHEN 'SQLite' THEN 'sqlite'
+    WHEN 'TypeScript' THEN 'typescript'
+    WHEN 'TypeScript-JSX' THEN 'typescript-jsx'
+    END;
+
+CREATE INDEX ON languages (identifier);
+
+ALTER TABLE languages ALTER COLUMN identifier SET NOT NULL;
+
+ALTER TABLE wrappers ADD COLUMN identifier text;
+
+UPDATE wrappers SET identifier = CASE label
+    WHEN 'Run' THEN 'run'
+    WHEN 'Format (black)' THEN 'format'
+    WHEN 'Rustfmt' THEN 'format'
+    WHEN 'ASM' THEN 'asm'
+    END;
+
+ALTER TABLE wrappers ALTER COLUMN identifier SET NOT NULL;
+
+CREATE INDEX ON wrappers (identifier);
diff --git a/src/schema.rs b/src/schema.rs
index 57f535c..e15fd58 100644
--- a/src/schema.rs
+++ b/src/schema.rs
@@ -6,6 +6,7 @@ table! {
         highlighter_mode -> Nullable<Text>,
         mime -> Text,
         is_markdown -> Bool,
+        identifier -> Text,
     }
 }
 
@@ -29,6 +30,7 @@ table! {
         ordering -> Int4,
         is_formatter -> Bool,
         is_asm -> Bool,
+        identifier -> Text,
     }
 }