diff --git a/types/json2md/index.d.ts b/types/json2md/index.d.ts
new file mode 100644
index 0000000000..ce15a5909e
--- /dev/null
+++ b/types/json2md/index.d.ts
@@ -0,0 +1,65 @@
+// Type definitions for json2md 1.5
+// Project: https://github.com/IonicaBizau/json2md#readme
+// Definitions by: MartynasZilinskas <https://github.com/MartynasZilinskas>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.3
+
+export = json2md;
+
+/**
+ * Converts a JSON input to markdown.
+ *
+ * @param data The input JSON data.
+ * @param prefix A snippet to add before each line.
+ * @return The generated markdown result.
+ */
+declare function json2md(data: json2md.DataObject | json2md.DataObject[] | string | string[], prefix?: string): string;
+type json2md = typeof json2md;
+
+declare namespace json2md {
+    const converters: ConvertersMethods;
+
+    namespace DefaultConverters {
+        interface Converters {
+            [converter: string]: any;
+            blockquote: string | string[];
+            code: CodeInput;
+            h1: string | string[];
+            h2: string | string[];
+            h3: string | string[];
+            h4: string | string[];
+            h5: string | string[];
+            h6: string | string[];
+            img: ImgInput | ImgInput[];
+            ol: string[];
+            p: string | string[];
+            table: TableInput;
+            ul: string[];
+        }
+
+        interface ImgInput {
+            title: string;
+            source: string;
+        }
+
+        interface CodeInput {
+            language?: string;
+            content: string | string[];
+        }
+
+        interface TableInput {
+            headers: string[];
+            rows: Array<{ [column: string]: string }> | string[][];
+        }
+    }
+
+    type DataObject = {
+        [TConverter in keyof DefaultConverters.Converters]?: DefaultConverters.Converters[TConverter]
+    };
+
+    type ConverterCallback<TInput> = (input: TInput, json2md: json2md) => string;
+
+    type ConvertersMethods = {
+        [TConverter in keyof DefaultConverters.Converters]: ConverterCallback<DefaultConverters.Converters[TConverter]>
+    };
+}
diff --git a/types/json2md/json2md-tests.ts b/types/json2md/json2md-tests.ts
new file mode 100644
index 0000000000..1b10c2d6f1
--- /dev/null
+++ b/types/json2md/json2md-tests.ts
@@ -0,0 +1,210 @@
+import * as json2md from 'json2md';
+
+declare function describe(desc: string, f: () => void): void;
+declare function it(desc: string, f: () => void): void;
+
+const EXAMPLE_STRING: string = "example string";
+const EXAMPLE_STRING_ARRAY: string[] = ["A", "B"];
+
+describe("Default elements", () => {
+    it("Headings", () => {
+        json2md([
+            {
+                h1: EXAMPLE_STRING
+            },
+            {
+                h2: EXAMPLE_STRING
+            },
+            {
+                h3: EXAMPLE_STRING
+            },
+            {
+                h4: EXAMPLE_STRING
+            },
+            {
+                h5: EXAMPLE_STRING
+            },
+            {
+                h6: EXAMPLE_STRING
+            }
+        ]);
+    });
+
+    it("Paragraphs", () => {
+        json2md([{
+            p: EXAMPLE_STRING
+        }]);
+
+        json2md([{
+            p: EXAMPLE_STRING_ARRAY
+        }]);
+    });
+
+    it("Blockquote", () => {
+        json2md([{
+            blockquote: EXAMPLE_STRING
+        }]);
+
+        json2md([{
+            blockquote: EXAMPLE_STRING_ARRAY
+        }]);
+    });
+
+    it("Image", () => {
+        json2md([{
+            img: {
+                title: EXAMPLE_STRING,
+                source: EXAMPLE_STRING
+            }
+        }]);
+
+        json2md([{
+            img: [
+                {
+                    title: EXAMPLE_STRING,
+                    source: EXAMPLE_STRING
+                }
+            ]
+        }]);
+    });
+
+    it("Unordered list", () => {
+        json2md([
+            {
+                ul: EXAMPLE_STRING_ARRAY
+            }
+        ]);
+    });
+
+    it("Ordered list", () => {
+        json2md([
+            {
+                ol: EXAMPLE_STRING_ARRAY
+            }
+        ]);
+    });
+
+    it("Code block element", () => {
+        json2md([
+            {
+                code: {
+                    language: "js",
+                    content: EXAMPLE_STRING
+                }
+            }
+        ]);
+    });
+
+    it("Table", () => {
+        json2md([
+            {
+                table: {
+                    headers: EXAMPLE_STRING_ARRAY,
+                    rows: [
+                        {
+                            A: EXAMPLE_STRING,
+                            B: EXAMPLE_STRING
+                        }
+                    ]
+                }
+            }
+        ]);
+
+        json2md([
+            {
+                table: {
+                    headers: EXAMPLE_STRING_ARRAY,
+                    rows: [
+                        EXAMPLE_STRING_ARRAY
+                    ]
+                }
+            }
+        ]);
+    });
+});
+
+it("Custom types", () => {
+    const customConverter: json2md.ConverterCallback<string> = (input, json2md) => {
+        return `Hello ${input} world!`;
+    };
+
+    json2md.converters.customConverter = customConverter;
+
+    json2md([
+        {
+            customConverter: EXAMPLE_STRING
+        }
+    ]);
+});
+
+it("Big example", () => {
+    const md: string = json2md([
+        {
+            h1: "JSON To Markdown"
+        },
+        {
+            blockquote: "A JSON to Markdown converter."
+        },
+        {
+            img: [
+                {
+                    title: "Some image",
+                    source: "https://example.com/some-image.png"
+                },
+                {
+                    title: "Another image",
+                    source: "https://example.com/some-image1.png"
+                },
+                {
+                    title: "Yet another image",
+                    source: "https://example.com/some-image2.png"
+                }
+            ]
+        },
+        {
+            h2: "Features"
+        },
+        {
+            ul: [
+                "Easy to use",
+                "You can programatically generate Markdown content",
+                "..."
+            ]
+        },
+        {
+            h2: "How to contribute"
+        },
+        {
+            ol: [
+                "Fork the project",
+                "Create your branch",
+                "Raise a pull request"
+            ]
+        },
+        {
+            h2: "Code blocks"
+        },
+        {
+            p: "Below you can see a code block example."
+        },
+        {
+            code: {
+                language: "js",
+                content: [
+                    "function sum (a, b) {",
+                    "   return a + b;",
+                    "}",
+                    "sum(1, 2);"
+                ]
+            }
+        }
+    ]);
+});
+
+it("Use converter", () => {
+    const blockquote: string = json2md.converters.blockquote(EXAMPLE_STRING, json2md);
+    const img: string = json2md.converters.img({
+        title: EXAMPLE_STRING,
+        source: EXAMPLE_STRING
+    }, json2md);
+});
diff --git a/types/json2md/tsconfig.json b/types/json2md/tsconfig.json
new file mode 100644
index 0000000000..8fec5e6f49
--- /dev/null
+++ b/types/json2md/tsconfig.json
@@ -0,0 +1,22 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "json2md-tests.ts"
+    ]
+}
diff --git a/types/json2md/tslint.json b/types/json2md/tslint.json
new file mode 100644
index 0000000000..3db14f85ea
--- /dev/null
+++ b/types/json2md/tslint.json
@@ -0,0 +1 @@
+{ "extends": "dtslint/dt.json" }