diff --git a/voca/index.d.ts b/voca/index.d.ts
index 7a7fa6e6c5..95703b49ad 100644
--- a/voca/index.d.ts
+++ b/voca/index.d.ts
@@ -80,6 +80,8 @@ declare namespace v {
         reverseGrapheme(subject?: string): string;
         slugify(subject?: string): string;
         splice(subject?: string, start?: number, deleteCount?: number, toAdd?: string): string;
+        tr(subject?: string, from?: string, to?: string): string;
+        tr(subject?: string, from?: { [key: string]: string }): string;
         trim(subject?: string, whitespace?: string): string;
         trimLeft(subject?: string, whitespace?: string): string;
         trimRight(subject?: string, whitespace?: string): string;
@@ -177,6 +179,8 @@ declare namespace v {
         reverseGrapheme(): Chain;
         slugify(): Chain;
         splice(start?: number, deleteCount?: number, toAdd?: string): Chain;
+        tr(from?: string, to?: string): Chain;
+        tr(from?: { [key: string]: string }): Chain;
         trim(whitespace?: string): Chain;
         trimLeft(whitespace?: string): Chain;
         trimRight(whitespace?: string): Chain;
@@ -270,6 +274,8 @@ declare namespace v {
         reverseGrapheme(): ExplicitChain<string>;
         slugify(): ExplicitChain<string>;
         splice(start?: number, deleteCount?: number, toAdd?: string): ExplicitChain<string>;
+        tr(from?: string, to?: string): ExplicitChain<string>;
+        tr(from?: { [key: string]: string }): ExplicitChain<string>;
         trim(whitespace?: string): ExplicitChain<string>;
         trimLeft(whitespace?: string): ExplicitChain<string>;
         trimRight(whitespace?: string): ExplicitChain<string>;
diff --git a/voca/voca-tests.ts b/voca/voca-tests.ts
index 3fb9d100c3..532f7861a3 100644
--- a/voca/voca-tests.ts
+++ b/voca/voca-tests.ts
@@ -214,6 +214,23 @@ str = v.splice('new year', 0);
 str = v.splice('new year', 0, 4);
 str = v.splice('new year', 0, 3, 'happy');
 
+str = v.tr();
+str = v.tr('hello', 'el', 'ip');
+str = v.tr('Yes. The fire rises.', {
+    'Yes': 'Awesome',
+    'fire': 'flame'
+})
+str = v('hello').tr('el', 'ip').value();
+str = v('Yes. The fire rises.').tr({
+    'Yes': 'Awesome',
+    'fire': 'flame'
+}).value();
+str = v.chain('hello').tr('el', 'ip').value();
+str = v.chain('Yes. The fire rises.').tr({
+    'Yes': 'Awesome',
+    'fire': 'flame'
+}).value();
+
 str = v.trim();
 str = v.trim(' Mother nature ');
 str = v.trim('--Earth--', '-');