diff --git a/go.mod b/go.mod
index b2c512b..7981876 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,5 @@
 module h4kor/kiss-social
 
 go 1.18
+
+require github.com/yuin/goldmark v1.4.13 // indirect
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..29914fb
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,2 @@
+github.com/yuin/goldmark v1.4.13 h1:fVcFKWvrslecOb/tg+Cc05dkeYx540o0FuFt3nUVDoE=
+github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
diff --git a/post.go b/post.go
new file mode 100644
index 0000000..ae0beb8
--- /dev/null
+++ b/post.go
@@ -0,0 +1,25 @@
+package kiss
+
+import (
+	"io/ioutil"
+	"path"
+)
+
+type Post struct {
+	user User
+	id   string
+}
+
+func (post Post) Dir() string {
+	return path.Join(post.user.Dir(), "public", post.id)
+}
+
+func (post Post) ContentFile() string {
+	return path.Join(post.Dir(), "index.md")
+}
+
+func (post Post) Content() []byte {
+	// read file
+	data, _ := ioutil.ReadFile(post.ContentFile())
+	return data
+}
diff --git a/renderer.go b/renderer.go
new file mode 100644
index 0000000..227f37d
--- /dev/null
+++ b/renderer.go
@@ -0,0 +1,16 @@
+package kiss
+
+import (
+	"bytes"
+
+	"github.com/yuin/goldmark"
+)
+
+func RenderPost(post Post) string {
+
+	var buf bytes.Buffer
+	if err := goldmark.Convert(post.Content(), &buf); err != nil {
+		panic(err)
+	}
+	return buf.String()
+}
diff --git a/renderer_test.go b/renderer_test.go
new file mode 100644
index 0000000..652dfbd
--- /dev/null
+++ b/renderer_test.go
@@ -0,0 +1,23 @@
+package kiss_test
+
+import (
+	"h4kor/kiss-social"
+	"strings"
+	"testing"
+)
+
+func getTestUser() kiss.User {
+	repo, _ := kiss.CreateRepository(testRepoName())
+	user, _ := repo.CreateUser(randomUserName())
+	return user
+}
+
+func TestCanRenderPost(t *testing.T) {
+	user := getTestUser()
+	post, _ := user.CreateNewPost("testpost")
+	result := kiss.RenderPost(post)
+	if !strings.Contains(result, "<h1>testpost</h1>") {
+		t.Error("Post title not rendered as h1. Got: " + result)
+	}
+
+}
diff --git a/user.go b/user.go
index f20b843..3bc4b10 100644
--- a/user.go
+++ b/user.go
@@ -12,11 +12,6 @@ type User struct {
 	name string
 }
 
-type Post struct {
-	user  User
-	title string
-}
-
 func (user User) Dir() string {
 	return path.Join(user.repo.Dir(), "users", user.name)
 }
@@ -29,12 +24,12 @@ func (user User) Posts() ([]Post, error) {
 	postNames := listDir(path.Join(user.Dir(), "public"))
 	posts := make([]Post, len(postNames))
 	for i, name := range postNames {
-		posts[i] = Post{user: user, title: name}
+		posts[i] = Post{user: user, id: name}
 	}
 	return posts, nil
 }
 
-func CreateNewPost(user User, title string) {
+func (user User) CreateNewPost(title string) (Post, error) {
 	timestamp := time.Now().UTC().Unix()
 	folder_name := fmt.Sprintf("%d-%s", timestamp, title)
 	post_dir := path.Join(user.Dir(), "public", folder_name)
@@ -50,13 +45,11 @@ func CreateNewPost(user User, title string) {
 			break
 		}
 	}
+	post := Post{user: user, id: folder_name}
 
 	initial_content := "# " + title
 	// create post file
 	os.Mkdir(post_dir, 0755)
-	os.WriteFile(path.Join(post_dir, "index.md"), []byte(initial_content), 0644)
-}
-
-func PostDir(post Post) string {
-	return path.Join(post.user.Dir(), "public", post.title)
+	os.WriteFile(post.ContentFile(), []byte(initial_content), 0644)
+	return post, nil
 }
diff --git a/user_test.go b/user_test.go
index 3ea8027..7b86ddc 100644
--- a/user_test.go
+++ b/user_test.go
@@ -13,7 +13,7 @@ func TestCreateNewPostCreatesEntryInPublic(t *testing.T) {
 	repo, _ := kiss.CreateRepository(testRepoName())
 	user, _ := repo.CreateUser(randomUserName())
 	// Create a new post
-	kiss.CreateNewPost(user, "testpost")
+	user.CreateNewPost("testpost")
 	files, err := ioutil.ReadDir(path.Join(user.Dir(), "public"))
 	if err != nil {
 		t.Error("Error reading directory")
@@ -28,9 +28,9 @@ func TestCreateNewPostMultipleCalls(t *testing.T) {
 	repo, _ := kiss.CreateRepository(testRepoName())
 	user, _ := repo.CreateUser(randomUserName())
 	// Create a new post
-	kiss.CreateNewPost(user, "testpost")
-	kiss.CreateNewPost(user, "testpost")
-	kiss.CreateNewPost(user, "testpost")
+	user.CreateNewPost("testpost")
+	user.CreateNewPost("testpost")
+	user.CreateNewPost("testpost")
 	files, err := ioutil.ReadDir(path.Join(user.Dir(), "public"))
 	if err != nil {
 		t.Error("Error reading directory")
@@ -45,9 +45,9 @@ func TestCanListUserPosts(t *testing.T) {
 	repo, _ := kiss.CreateRepository(testRepoName())
 	user, _ := repo.CreateUser(randomUserName())
 	// Create a new post
-	kiss.CreateNewPost(user, "testpost")
-	kiss.CreateNewPost(user, "testpost")
-	kiss.CreateNewPost(user, "testpost")
+	user.CreateNewPost("testpost")
+	user.CreateNewPost("testpost")
+	user.CreateNewPost("testpost")
 	posts, err := user.Posts()
 	if err != nil {
 		t.Error("Error reading posts")