diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..70e0aa3
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,36 @@
+pub mod error;
+pub mod metadata;
+pub mod parser;
+pub mod probe;
+pub mod output;
+
+pub use error::{ProbeError, Result};
+pub use metadata::*;
+pub use parser::parse_ffprobe_json;
+pub use probe::run_ffprobe;
+pub use output::{save_metadata, print_summary};
+
+/// Convenience function to probe a video and get metadata
+pub fn probe_video(video_path: &str) -> Result<metadata::VideoMetadata> {
+    let json_output = run_ffprobe(video_path)?;
+    let metadata = parse_ffprobe_json(&json_output, video_path)?;
+    Ok(metadata)
+}
+
+/// Convenience function to probe a video and save to file
+pub fn probe_video_to_file(video_path: &str) -> Result<String> {
+    let metadata = probe_video(video_path)?;
+    let output_file = save_metadata(video_path, &metadata)?;
+    Ok(output_file)
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_probe_video_file_not_found() {
+        let result = probe_video("nonexistent.mp4");
+        assert!(result.is_err());
+    }
+}
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