diff --git a/parser.py b/parser.py
new file mode 100644
index 0000000..a4a324f
--- /dev/null
+++ b/parser.py
@@ -0,0 +1,188 @@
+"""
+cURL command parser module.
+"""
+
+import re
+import shlex
+from dataclasses import dataclass, field
+from typing import Optional
+
+
+@dataclass
+class ParsedCurl:
+    url: str = ""
+    method: str = "GET"
+    headers: dict = field(default_factory=dict)
+    data: Optional[str] = None
+    auth: Optional[tuple] = None
+    content_type: Optional[str] = None
+    insecure: bool = False
+
+
+class CurlParser:
+    def __init__(self, curl_command: str):
+        self.curl_command = curl_command
+
+    def parse(self) -> ParsedCurl:
+        """Parse a cURL command and return structured data."""
+        result = ParsedCurl()
+
+        command = self._normalize_command()
+        tokens = self._tokenize(command)
+
+        i = 0
+        while i < len(tokens):
+            token = tokens[i]
+
+            if token == 'curl':
+                i += 1
+                continue
+
+            if token.startswith('-'):
+                if token in ['-X', '--request']:
+                    i += 1
+                    result.method = tokens[i].upper() if i < len(tokens) else 'GET'
+                elif token in ['-H', '--header']:
+                    i += 1
+                    header = ""
+                    if i < len(tokens):
+                        header = tokens[i]
+                        if header.endswith(':'):
+                            i += 1
+                            while i < len(tokens) and not tokens[i].startswith('-'):
+                                if '://' in tokens[i]:
+                                    i -= 1
+                                    break
+                                header += ' ' + tokens[i]
+                                i += 1
+                    if header:
+                        self._parse_header(header, result)
+                    continue
+                elif token in ['-d', '--data', '--data-raw', '--data-binary']:
+                    i += 1
+                    result.data = tokens[i] if i < len(tokens) else ''
+                    if not result.method or result.method == 'GET':
+                        result.method = 'POST'
+                    continue
+                elif token in ['-u', '--user']:
+                    i += 1
+                    if i < len(tokens):
+                        auth = tokens[i]
+                        if ':' in auth:
+                            parts = auth.split(':', 1)
+                            result.auth = (parts[0], parts[1])
+                        i += 1
+                    continue
+                elif token == '--url':
+                    i += 1
+                    result.url = tokens[i] if i < len(tokens) else ''
+                    continue
+                elif token in ['-b', '--cookie', '--cookie-jar']:
+                    i += 1
+                    cookie = tokens[i]
+                    if '=' in cookie:
+                        name, value = cookie.split('=', 1)
+                        result.headers['Cookie'] = value
+                    continue
+                elif token in ['-A', '--user-agent']:
+                    i += 1
+                    result.headers['User-Agent'] = tokens[i] if i < len(tokens) else ''
+                    continue
+                elif token == '--compressed':
+                    result.headers['Accept-Encoding'] = 'gzip, deflate'
+                elif token in ['-k', '--insecure']:
+                    result.insecure = True
+                i += 1
+            else:
+                if not result.url:
+                    result.url = token
+                i += 1
+
+        return result
+
+    def _normalize_command(self) -> str:
+        """Normalize the cURL command for parsing."""
+        command = self.curl_command.strip()
+        command = re.sub(r'\\\n', '', command)
+        command = re.sub(r'\s+', ' ', command)
+        return command
+
+    def _tokenize(self, command: str) -> list:
+        """Tokenize the cURL command."""
+        tokens = []
+        current = ""
+        in_quote = False
+        quote_char = None
+
+        i = 0
+        while i < len(command):
+            char = command[i]
+
+            if char in ['"', "'"] and not in_quote:
+                in_quote = True
+                quote_char = char
+                i += 1
+                continue
+            elif char == quote_char and in_quote:
+                in_quote = False
+                quote_char = None
+                i += 1
+                continue
+
+            if in_quote:
+                if char == '\\' and i + 1 < len(command):
+                    current += char
+                    current += command[i + 1]
+                    i += 2
+                    continue
+                elif char == ' ':
+                    if current:
+                        tokens.append(current)
+                        current = ""
+                    i += 1
+                    continue
+
+            if char == ' ' and not in_quote:
+                if current:
+                    tokens.append(current)
+                    current = ""
+                i += 1
+                continue
+
+            current += char
+            i += 1
+
+        if current:
+            tokens.append(current)
+
+        unescaped_tokens = []
+        for token in tokens:
+            token = token.replace('\\:', ':')
+            token = token.replace('\\"', '"')
+            token = token.replace("\\'", "'")
+            token = token.replace('\\n', '\n')
+            unescaped_tokens.append(token)
+
+        return unescaped_tokens
+
+    def _parse_header(self, header: str, result: ParsedCurl):
+        """Parse a header string and update the result."""
+        if ':' in header:
+            parts = header.split(':', 1)
+            key = parts[0].strip()
+            value = parts[1].strip()
+            result.headers[key] = value
+
+            if key.lower() == 'content-type':
+                result.content_type = value
+
+
+if __name__ == "__main__":
+    import sys
+    parser = CurlParser(' '.join(sys.argv[1:]))
+    result = parser.parse()
+    print(f"URL: {result.url}")
+    print(f"Method: {result.method}")
+    print(f"Headers: {result.headers}")
+    print(f"Data: {result.data}")
+    print(f"Auth: {result.auth}")