diff --git a/Cargo.lock b/Cargo.lock
index 0fef12b..21deb62 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,6 +2,24 @@
 # It is not intended for manual editing.
 version = 4
 
+[[package]]
+name = "markdown"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a5cab8f2cadc416a82d2e783a1946388b31654d391d1c7d92cc1f03e295b1deb"
+dependencies = [
+ "unicode-id",
+]
+
 [[package]]
 name = "mdf-blog"
 version = "0.1.0"
+dependencies = [
+ "markdown",
+]
+
+[[package]]
+name = "unicode-id"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "70ba288e709927c043cbe476718d37be306be53fb1fafecd0dbe36d072be2580"
diff --git a/Cargo.toml b/Cargo.toml
index 2f4db7a..be73476 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,3 +4,4 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
+markdown = "*"
diff --git a/src/main.rs b/src/main.rs
index c3eaaf3..bfe2b6d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,80 +1,8 @@
-fn header(i: &str) -> Option<(&str, String)> {
-    let mut itr = i.chars();
-    if let Some(next) = itr.next() && next == '\n' {
-        if let Some(maybe_star) = itr.skip_while(|c| *c == ' ' || *c == '\t').next() && maybe_star == '*' {
-            
-        }
-    }
-    Some((i, "<h1>".to_string()))
-}
+use markdown::to_html;
 
 fn main() {
     // arg 1: src, arg 2: dest
     let args: Vec<String> = std::env::args().collect();
     let input: String = std::fs::read_to_string(&args[1]).unwrap();
-    let mut output: String = String::new();
-
-    let mut is_bold = false;
-    let mut title: Option<usize> = None;
-
-    let mut itr = input.chars().peekable();
-    while let Some(c) = itr.next() {
-        match c {
-            '*' => {
-                if !is_bold {
-                    output.push_str("<b>");
-                    is_bold = true;
-                } else {
-                    output.push_str("</b>");
-                    is_bold = false;
-                }
-            }
-            '\n' => {
-                if let Some(title_count) = title {
-                    title = None;
-                    output.push_str(&format!("</h{title_count}>"));
-                } else {
-                    let mut title_count = 0;
-                    while let Some(c) = itr.peek() {
-                        if *c == '#' {
-                            title_count += 1;
-                        } else if *c == ' ' || *c == '\t' {
-                            // it is title
-                            output.push_str(&format!("<h{title_count}>"));
-                            title = Some(title_count);
-                        } else {
-
-                        }
-                    }
-                }
-                output.push('\n');
-            }
-            _ => {
-                output.push(c);
-            }
-        }
-    }
-    println!("{output}");
-
-    //let output: String = input.lines().map(|l| {
-    //    // Titles
-    //    let count = l.chars().take_while(|c| *c == '#').count();
-    //    if count > 0 {
-    //        format!("<h{count}>{}</h{count}>", &l[count..])
-    //    } else {
-    //        l.to_string()
-    //    }
-    //})
-    //.map(|l| {
-    //    if l.chars().skip_while(|c| *c == ' ' || *c == '\t').next().unwrap_or('g') == '*' {
-    //        
-    //    } else {
-    //        l.to_string()
-    //    }
-    //})
-    //.collect();
-    
-    // headings: replace # - newline to <h1> - </h1>
-
-    //println!("{}", output);
+    print!("{}", to_html(&input));
 }