diff --git a/.github/workflows/ci-base.yml b/.github/workflows/ci-base.yml
index 89475a0bd..e5811bbc4 100644
--- a/.github/workflows/ci-base.yml
+++ b/.github/workflows/ci-base.yml
@@ -65,3 +65,6 @@ jobs:
 
       - name: Run ameba
         run: bin/ameba
+
+      - name: Check for typos
+        uses: crate-ci/typos@v1
diff --git a/_typos.toml b/_typos.toml
new file mode 100644
index 000000000..43f409d95
--- /dev/null
+++ b/_typos.toml
@@ -0,0 +1,24 @@
+[default]
+extend-ignore-re = [
+  # numeric literals
+  '0x[0-9a-fA-F_\.\+]+([fiu](8|16|32|64|128))?',
+  '\\u\{[0-9a-fA-F]+\}',
+  # words including a number are likely some kind of identifier
+  "[A-z]+[0-9]+",
+]
+
+[default.extend-words]
+iif = "iif"
+nd = "nd"
+
+[files]
+extend-exclude = [
+  # git and dependencies
+  ".git/**",
+  "lib/**",
+  # individual files to exclude
+  "src/assets/runtime.js",
+  "src/assets/runtime_test.js",
+  "core/source/Time/Languages/*.mint",
+  "!core/source/Time/Languages/English.mint",
+]
diff --git a/core/tests/tests/SearchParams.mint b/core/tests/tests/SearchParams.mint
index 1e6ea780b..8e9a351b1 100644
--- a/core/tests/tests/SearchParams.mint
+++ b/core/tests/tests/SearchParams.mint
@@ -19,7 +19,7 @@ suite "SearchParams.get" {
     |> SearchParams.get("a")) == Maybe.just("b")
   }
 
-  test "returns nothig if key does not exists" {
+  test "returns nothing if key does not exists" {
     ("a=b&c=d"
     |> SearchParams.fromString()
     |> SearchParams.get("x")) == Maybe.nothing()
diff --git a/core/tests/tests/Set.mint b/core/tests/tests/Set.mint
index 12c1daf7e..17967475c 100644
--- a/core/tests/tests/Set.mint
+++ b/core/tests/tests/Set.mint
@@ -37,7 +37,7 @@ suite "Set.has" {
     |> Set.has(Maybe.just("value"))) == true
   }
 
-  test "it returns false if the itme does not exists in the set" {
+  test "it returns false if the item does not exists in the set" {
     (Set.empty()
     |> Set.has("x")) == false
   }
diff --git a/runtime/tests/equality.test.js b/runtime/tests/equality.test.js
index 3a5e2f533..1f306e54f 100644
--- a/runtime/tests/equality.test.js
+++ b/runtime/tests/equality.test.js
@@ -227,11 +227,11 @@ describe("FormData", () => {
     expect(compare(a, null)).toBe(false);
   });
 
-  test("empty form datas are equal", () => {
+  test("empty form data objects are equal", () => {
     expect(compare(new FormData(), new FormData())).toBe(true);
   });
 
-  test("same data form datas are equal", () => {
+  test("same data form data objects are equal", () => {
     const a = new FormData();
     a.append("a", "a");
 
@@ -241,7 +241,7 @@ describe("FormData", () => {
     expect(compare(a, b)).toBe(true);
   });
 
-  test("different datas are not equal", () => {
+  test("different data objects are not equal", () => {
     const a = new FormData();
     a.append("a", "a");
 
@@ -251,7 +251,7 @@ describe("FormData", () => {
     expect(compare(a, b)).toBe(false);
   });
 
-  test("different datas are not equal", () => {
+  test("different data objects are not equal", () => {
     const a = new FormData();
     a.append("a", "b");
 
@@ -261,7 +261,7 @@ describe("FormData", () => {
     expect(compare(a, b)).toBe(false);
   });
 
-  test("same multiple data form datas are equal", () => {
+  test("same multiple data form data objects are equal", () => {
     const a = new FormData();
     a.append("a", "a");
     a.append("a", "b");
@@ -273,7 +273,7 @@ describe("FormData", () => {
     expect(compare(a, b)).toBe(true);
   });
 
-  test("same multiple data form datas with different order are equal", () => {
+  test("same multiple data form data objects with different order are equal", () => {
     const a = new FormData();
     a.append("a", "b");
     a.append("x", "y");
diff --git a/spec/compilers/string_literal_with_interpolation_and_js_iterpolation b/spec/compilers/string_literal_with_interpolation_and_js_interpolation
similarity index 100%
rename from spec/compilers/string_literal_with_interpolation_and_js_iterpolation
rename to spec/compilers/string_literal_with_interpolation_and_js_interpolation
diff --git a/spec/compilers/string_literal_with_js_iterpolation b/spec/compilers/string_literal_with_js_interpolation
similarity index 100%
rename from spec/compilers/string_literal_with_js_iterpolation
rename to spec/compilers/string_literal_with_js_interpolation
diff --git a/src/installer.cr b/src/installer.cr
index 632dbca1f..150a44415 100644
--- a/src/installer.cr
+++ b/src/installer.cr
@@ -10,7 +10,7 @@ module Mint
     @dependencies =
       {} of Package => Hash(String, Constraint)
 
-    # This holds the elimiated packages, which package elminiated it
+    # This holds the eliminated packages, which package elminiated it
     # and with which constraint
     @eliminated =
       [] of Tuple(Package, Package, Constraint, String)
diff --git a/src/parsers/html_attribute.cr b/src/parsers/html_attribute.cr
index 2a6d1d161..f1e2ddb9f 100644
--- a/src/parsers/html_attribute.cr
+++ b/src/parsers/html_attribute.cr
@@ -2,7 +2,7 @@ module Mint
   class Parser
     def html_attribute(with_dashes : Bool = true) : Ast::HtmlAttribute?
       parse do |start_position|
-        # Dash (-) is maily for data attributes (data-value), colon (`:`) is
+        # Dash (-) is mainly for data attributes (data-value), colon (`:`) is
         # for namespaces (xlink:actuate) and we only parse them for HTML
         # attributes not component attributes (`with_dashes`).
         name = variable track: false, extra_chars: with_dashes ? ['-', ':'] : [] of Char
diff --git a/src/references_tracker.cr b/src/references_tracker.cr
index cead3ae62..1794e9385 100644
--- a/src/references_tracker.cr
+++ b/src/references_tracker.cr
@@ -7,7 +7,7 @@ module Mint
   # bundles to construct. To do that we track back each node to it's root
   # node(s) through the links.
   #
-  # Asnyc components and deferred code got their on bundles
+  # Async components and deferred code got their on bundles
   # and any other code which is referenced from multiple sources will
   # get their own bundle.
   class ReferencesTracker
diff --git a/src/type_checkers/decode.cr b/src/type_checkers/decode.cr
index a05d2010f..ded73cbf3 100644
--- a/src/type_checkers/decode.cr
+++ b/src/type_checkers/decode.cr
@@ -45,7 +45,7 @@ module Mint
         if definition = ast.type_definitions.find(&.name.value.==(type.name))
           case definition.fields
           in Array(Ast::TypeDefinitionField)
-            unreachable! "Tried to check if type #{type.to_mint} is decodeable!"
+            unreachable! "Tried to check if type #{type.to_mint} is decodable!"
           in Array(Ast::TypeVariant)
             definition_type =
               resolve(definition)