diff --git a/codesnap/utils/config.py b/codesnap/utils/config.py
new file mode 100644
index 0000000..d74e2be
--- /dev/null
+++ b/codesnap/utils/config.py
@@ -0,0 +1,115 @@
+"""Configuration module for CodeSnap."""
+
+import os
+from dataclasses import dataclass, field
+from pathlib import Path
+from typing import Optional
+
+
+@dataclass
+class OutputConfig:
+    """Output configuration settings."""
+
+    show_content: bool = False
+    max_function_lines: int = 50
+    include_metrics: bool = True
+
+
+@dataclass
+class ComplexityConfig:
+    """Complexity configuration settings."""
+
+    low: int = 10
+    medium: int = 20
+    high: int = 50
+
+
+@dataclass
+class LoggingConfig:
+    """Logging configuration settings."""
+
+    level: str = "INFO"
+    format: str = "json"
+
+
+@dataclass
+class Config:
+    """Main configuration class for CodeSnap."""
+
+    max_files: int = 1000
+    max_tokens: int = 8000
+    grammar_cache: str = "~/.cache/codesnap/grammars"
+    include_patterns: list[str] = field(default_factory=lambda: [
+        "**/*.py",
+        "**/*.js",
+        "**/*.ts",
+        "**/*.go",
+        "**/*.rs",
+        "**/*.java",
+    ])
+    exclude_patterns: list[str] = field(default_factory=lambda: [
+        "**/node_modules/**",
+        "**/.git/**",
+        "**/venv/**",
+        "**/__pycache__/**",
+    ])
+    output: OutputConfig = field(default_factory=OutputConfig)
+    complexity: ComplexityConfig = field(default_factory=ComplexityConfig)
+    logging: LoggingConfig = field(default_factory=LoggingConfig)
+
+
+def load_config(config_path: Optional[Path] = None) -> Config:
+    """Load configuration from file or use defaults."""
+    config = Config()
+
+    if config_path is None:
+        config_path = Path.cwd() / ".codesnaprc"
+        if not config_path.exists():
+            return config
+
+    if not config_path.exists():
+        return config
+
+    try:
+        import yaml
+        content = config_path.read_text(encoding="utf-8")
+        data = yaml.safe_load(content) or {}
+
+        if "max_files" in data:
+            config.max_files = int(data["max_files"])
+        if "max_tokens" in data:
+            config.max_tokens = int(data["max_tokens"])
+        if "grammar_cache" in data:
+            config.grammar_cache = str(data["grammar_cache"])
+        if "include_patterns" in data:
+            config.include_patterns = data["include_patterns"]
+        if "exclude_patterns" in data:
+            config.exclude_patterns = data["exclude_patterns"]
+
+        if "output" in data:
+            output_data = data["output"]
+            config.output.show_content = output_data.get("show_content", False)
+            config.output.max_function_lines = output_data.get("max_function_lines", 50)
+            config.output.include_metrics = output_data.get("include_metrics", True)
+
+        if "complexity" in data:
+            complex_data = data["complexity"]
+            config.complexity.low = complex_data.get("low", 10)
+            config.complexity.medium = complex_data.get("medium", 20)
+            config.complexity.high = complex_data.get("high", 50)
+
+        if "logging" in data:
+            log_data = data["logging"]
+            config.logging.level = log_data.get("level", "INFO")
+            config.logging.format = log_data.get("format", "json")
+
+    except Exception:
+        pass
+
+    return config
+
+
+def get_env_override(key: str, default: str) -> str:
+    """Get environment variable override."""
+    env_key = f"CODSNAP_{key.upper()}"
+    return os.environ.get(env_key, default)