diff --git a/dist/diff2html.d.ts b/dist/diff2html.d.ts
new file mode 100644
index 0000000..cea93f6
--- /dev/null
+++ b/dist/diff2html.d.ts
@@ -0,0 +1,71 @@
+// Type definitions for diff2html
+// Project: https://github.com/rtfpessoa/diff2html
+// Definitions by: rtfpessoa <https://github.com/rtfpessoa/>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+declare namespace Diff2Html {
+
+  export interface Options {
+    inputFormat?: 'diff' | 'json';
+    outputFormat?: 'line-by-line' | 'side-by-side';
+    showFiles?: boolean;
+    diffStyle?: 'word' | 'char';
+    matching?: 'lines' | 'words' | 'none';
+    matchWordsThreshold?: number;
+    matchingMaxComparisons?: number;
+    maxLineSizeInBlockForComparison?: number;
+    maxLineLengthHighlight?: number;
+    templates?: object;
+    rawTemplates?: object;
+    renderNothingWhenEmpty?: boolean;
+  }
+
+  export interface Line {
+    content: string;
+    type: string;
+    oldNumber: number;
+    newNumber: number;
+  }
+
+  export interface Block {
+    oldStartLine: number;
+    oldStartLine2?: number;
+    newStartLine: number;
+    header: string;
+    lines: Line[];
+  }
+
+  export interface Result {
+    addedLines: number;
+    deletedLines: number;
+    isCombined: boolean;
+    isGitDiff: boolean;
+    oldName: string;
+    newName: string;
+    language: string;
+    blocks: Block[];
+    oldMode?: string;
+    newMode?: string;
+    deletedFileMode?: string;
+    newFileMode?: string;
+    isDeleted?: boolean;
+    isNew?: boolean;
+    isCopy?: boolean;
+    isRename?: boolean;
+    unchangedPercentage?: number;
+    changedPercentage?: number;
+    checksumBefore?: string;
+    checksumAfter?: string;
+    mode?: string;
+  }
+
+  export interface Diff2Html {
+    getJsonFromDiff(input: string, configuration?: Options): Result[];
+    getPrettyHtml(input: any, configuration?: Options): string;
+  }
+}
+
+declare module "diff2html" {
+  var d2h: { "Diff2Html": Diff2Html.Diff2Html };
+  export = d2h;
+}
diff --git a/package.json b/package.json
index c15074d..1963bb2 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "diff2html",
-  "version": "2.12.0",
+  "version": "2.12.1",
   "homepage": "https://diff2html.xyz",
   "description": "Fast Diff to colorized HTML",
   "keywords": [