diff --git a/aws/tools/user-data-diff/.gitignore b/aws/tools/user-data-diff/.gitignore
new file mode 100644
index 0000000000..0d6e41bfb4
--- /dev/null
+++ b/aws/tools/user-data-diff/.gitignore
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+ "bitflags",
+]
+
+[[package]]
+name = "writeable"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+ "serde",
+ "stable_deref_trait",
+ "yoke-derive",
+ "zerofrom",
+]
+
+[[package]]
+name = "yoke-derive"
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+ "proc-macro2",
+ "quote",
+ "syn",
+ "synstructure",
+]
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+ "zerofrom-derive",
+]
+
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+ "proc-macro2",
+ "quote",
+ "syn",
+ "synstructure",
+]
+
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+dependencies = [
+ "displaydoc",
+ "yoke",
+ "zerofrom",
+]
+
+[[package]]
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+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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+dependencies = [
+ "yoke",
+ "zerofrom",
+ "zerovec-derive",
+]
+
+[[package]]
+name = "zerovec-derive"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b96237efa0c878c64bd89c436f661be4e46b2f3eff1ebb976f7ef2321d2f58f"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
diff --git a/aws/tools/user-data-diff/Cargo.toml b/aws/tools/user-data-diff/Cargo.toml
new file mode 100644
index 0000000000..c70a8860ed
--- /dev/null
+++ b/aws/tools/user-data-diff/Cargo.toml
@@ -0,0 +1,18 @@
+[package]
+name = "user-data-diff"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+aws-config = "1.8.0"
+aws-sdk-ec2 = "1.81.0"
+clap = { version = "4.5.40", features = ["derive"] }
+tokio = { version = "1.45.1", features = ["full"] }
+base64 = "0.22"
+flate2 = "1.0"
+similar = { version = "2.6", features = ["text"] }
+colored = "2.1"
+async-trait = "0.1"
+
+[dev-dependencies]
+mockall = "0.12"
\ No newline at end of file
diff --git a/aws/tools/user-data-diff/README.md b/aws/tools/user-data-diff/README.md
new file mode 100644
index 0000000000..61e68f2e2a
--- /dev/null
+++ b/aws/tools/user-data-diff/README.md
@@ -0,0 +1,129 @@
+# user-data-diff
+
+A Rust CLI tool for comparing user_data between AWS Launch Template versions with automatic base64 and gzip decoding.
+
+## Overview
+
+This tool helps you visualize changes in launch template user_data scripts across different versions. It automatically handles base64 encoding and gzip compression commonly used in AWS launch templates, providing a clean diff view of the actual script content. The tool also detects when AWS changes encoding methods between versions (e.g., switching from plain base64 to gzip+base64 compression) even when the decoded content remains identical.
+
+## Features
+
+- **Automatic decoding**: Handles base64 and base64+gzip encoded user_data
+- **Encoding detection**: Detects and reports when encoding methods differ between versions
+- **Version comparison**: Compare any two versions or use defaults (latest vs previous)
+- **Colored output**: Easy-to-read diff with syntax highlighting (can be disabled)
+- **Multi-region support**: Specify which AWS region to operate in
+- **Flexible template selection**: Use either template name or template ID
+
+## Usage
+
+### Basic usage (compare latest vs previous version)
+```bash
+cargo run -- --template-name my-launch-template
+```
+
+### Compare specific versions
+```bash
+cargo run -- --template-name my-launch-template --from-version 1 --to-version 3
+```
+
+### Use template ID instead of name
+```bash
+cargo run -- --template-id lt-1234567890abcdef0 --from-version 2 --to-version 4
+```
+
+### Specify region and disable colors
+```bash
+cargo run -- --region us-west-2 --template-name my-template --no-color
+```
+
+### Command-line options
+
+- `--region` (default: `us-east-1`): AWS region to query launch templates from
+- `--template-name`: Name of the launch template to compare (mutually exclusive with template-id)
+- `--template-id`: ID of the launch template to compare (mutually exclusive with template-name)
+- `--from-version`: Source version number (defaults to second-latest version)
+- `--to-version`: Target version number (defaults to latest version)
+- `--no-color`: Disable colored output for diff
+
+## Prerequisites
+
+- Rust toolchain installed
+- AWS credentials configured (via AWS CLI, environment variables, or IAM roles)
+- Appropriate AWS permissions for EC2 operations:
+  - `ec2:DescribeLaunchTemplates`
+  - `ec2:DescribeLaunchTemplateVersions`
+
+## Building
+
+```bash
+cargo build --release
+```
+
+## Running tests
+
+```bash
+cargo test
+```
+
+## Examples
+
+### Example 1: Basic comparison
+```bash
+$ cargo run -- --template-name web-server-template
+Comparing launch template 'web-server-template' versions 1 → 2
+
+- #!/bin/bash
+- yum update -y
+- yum install -y httpd
++ #!/bin/bash
++ yum update -y
++ yum install -y httpd nginx
++ systemctl enable nginx
+
+Similarity: 75.0%
+```
+
+### Example 2: No differences
+```bash
+$ cargo run -- --template-name web-server-template --from-version 2 --to-version 2
+Comparing launch template 'web-server-template' versions 2 → 2
+
+No differences found.
+```
+
+### Example 3: Encoding differences
+```bash
+$ cargo run -- --template-name gh-ci-action-windows-runner --from-version 96 --to-version 97
+Comparing launch template 'gh-ci-action-windows-runner' versions 96 → 97
+
+User data content is identical, but encoding differs:
+
+Version 96 encoding method:
+  Plain Base64 encoding
+
+Version 97 encoding method:
+  Base64 + Gzip compression
+
+Decoded content (identical):
+No differences found.
+```
+
+## Architecture
+
+The tool is structured with the following modules:
+
+- `main.rs`: CLI argument parsing and application entry point
+- `lib.rs`: Core diffing logic and public API
+- `client.rs`: AWS EC2 client wrapper with async trait for testability
+- `decoder.rs`: user_data decoding logic (base64 → optional gzip → plain text)
+- `diff.rs`: Text diffing and colored output formatting
+
+## Error Handling
+
+The tool provides clear error messages for common scenarios:
+- Template not found
+- Invalid version numbers
+- AWS permission errors
+- Decoding failures (malformed base64 or gzip)
+- Network connectivity issues
\ No newline at end of file
diff --git a/aws/tools/user-data-diff/src/client.rs b/aws/tools/user-data-diff/src/client.rs
new file mode 100644
index 0000000000..80e115f80f
--- /dev/null
+++ b/aws/tools/user-data-diff/src/client.rs
@@ -0,0 +1,104 @@
+use crate::DiffError;
+use aws_config::meta::region::RegionProviderChain;
+use aws_config::Region;
+use aws_sdk_ec2::{
+    types::{LaunchTemplate, LaunchTemplateVersion},
+    Client,
+};
+
+#[async_trait::async_trait]
+pub trait Ec2Client {
+    async fn get_launch_template_by_name(&self, name: &str) -> Result<LaunchTemplate, DiffError>;
+    async fn list_launch_template_versions(
+        &self,
+        template_id: &str,
+    ) -> Result<Vec<LaunchTemplateVersion>, DiffError>;
+    async fn get_launch_template_version(
+        &self,
+        template_id: &str,
+        version: &str,
+    ) -> Result<LaunchTemplateVersion, DiffError>;
+}
+
+pub struct AwsEc2Client {
+    client: Client,
+}
+
+impl AwsEc2Client {
+    pub async fn new(region: &str) -> Result<Self, Box<dyn std::error::Error>> {
+        let region_provider =
+            RegionProviderChain::default_provider().or_else(Region::new(region.to_string()));
+        let config = aws_config::defaults(aws_config::BehaviorVersion::latest())
+            .region(region_provider)
+            .load()
+            .await;
+        let client = Client::new(&config);
+
+        Ok(Self { client })
+    }
+}
+
+#[async_trait::async_trait]
+impl Ec2Client for AwsEc2Client {
+    async fn get_launch_template_by_name(&self, name: &str) -> Result<LaunchTemplate, DiffError> {
+        let response = self
+            .client
+            .describe_launch_templates()
+            .launch_template_names(name)
+            .send()
+            .await
+            .map_err(|e| {
+                DiffError::AwsError(format!("Failed to describe launch template: {}", e))
+            })?;
+
+        response
+            .launch_templates
+            .unwrap_or_default()
+            .into_iter()
+            .next()
+            .ok_or_else(|| DiffError::NotFound(format!("Launch template not found: {}", name)))
+    }
+
+    async fn list_launch_template_versions(
+        &self,
+        template_id: &str,
+    ) -> Result<Vec<LaunchTemplateVersion>, DiffError> {
+        let response = self
+            .client
+            .describe_launch_template_versions()
+            .launch_template_id(template_id)
+            .send()
+            .await
+            .map_err(|e| {
+                DiffError::AwsError(format!("Failed to list launch template versions: {}", e))
+            })?;
+
+        Ok(response.launch_template_versions.unwrap_or_default())
+    }
+
+    async fn get_launch_template_version(
+        &self,
+        template_id: &str,
+        version: &str,
+    ) -> Result<LaunchTemplateVersion, DiffError> {
+        let response = self
+            .client
+            .describe_launch_template_versions()
+            .launch_template_id(template_id)
+            .versions(version)
+            .send()
+            .await
+            .map_err(|e| {
+                DiffError::AwsError(format!("Failed to get launch template version: {}", e))
+            })?;
+
+        response
+            .launch_template_versions
+            .unwrap_or_default()
+            .into_iter()
+            .next()
+            .ok_or_else(|| {
+                DiffError::NotFound(format!("Launch template version not found: {}", version))
+            })
+    }
+}
diff --git a/aws/tools/user-data-diff/src/decoder.rs b/aws/tools/user-data-diff/src/decoder.rs
new file mode 100644
index 0000000000..d393b2e469
--- /dev/null
+++ b/aws/tools/user-data-diff/src/decoder.rs
@@ -0,0 +1,85 @@
+use crate::DiffError;
+use base64::{engine::general_purpose, Engine as _};
+use flate2::read::GzDecoder;
+use std::io::Read;
+
+pub fn decode_user_data(encoded_data: &str) -> Result<String, DiffError> {
+    if encoded_data.is_empty() {
+        return Ok(String::new());
+    }
+
+    let decoded_bytes = general_purpose::STANDARD
+        .decode(encoded_data)
+        .map_err(|e| DiffError::DecodingError(format!("Base64 decode failed: {}", e)))?;
+
+    if is_gzip_compressed(&decoded_bytes) {
+        decode_gzip(&decoded_bytes)
+    } else {
+        String::from_utf8(decoded_bytes)
+            .map_err(|e| DiffError::DecodingError(format!("UTF-8 decode failed: {}", e)))
+    }
+}
+
+fn is_gzip_compressed(data: &[u8]) -> bool {
+    data.len() >= 2 && data[0] == 0x1f && data[1] == 0x8b
+}
+
+fn decode_gzip(compressed_data: &[u8]) -> Result<String, DiffError> {
+    let mut decoder = GzDecoder::new(compressed_data);
+    let mut decompressed = String::new();
+
+    decoder
+        .read_to_string(&mut decompressed)
+        .map_err(|e| DiffError::DecodingError(format!("Gzip decompression failed: {}", e)))?;
+
+    Ok(decompressed)
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use flate2::write::GzEncoder;
+    use flate2::Compression;
+    use std::io::Write;
+
+    #[test]
+    fn test_decode_plain_base64() {
+        let plain_text = "#!/bin/bash\necho 'Hello World'";
+        let encoded = general_purpose::STANDARD.encode(plain_text);
+
+        let result = decode_user_data(&encoded).unwrap();
+        assert_eq!(result, plain_text);
+    }
+
+    #[test]
+    fn test_decode_gzip_base64() {
+        let plain_text = "#!/bin/bash\necho 'Hello World'";
+
+        let mut encoder = GzEncoder::new(Vec::new(), Compression::default());
+        encoder.write_all(plain_text.as_bytes()).unwrap();
+        let compressed = encoder.finish().unwrap();
+
+        let encoded = general_purpose::STANDARD.encode(&compressed);
+
+        let result = decode_user_data(&encoded).unwrap();
+        assert_eq!(result, plain_text);
+    }
+
+    #[test]
+    fn test_decode_empty() {
+        let result = decode_user_data("").unwrap();
+        assert_eq!(result, "");
+    }
+
+    #[test]
+    fn test_gzip_detection() {
+        let gzip_header = vec![0x1f, 0x8b, 0x08, 0x00];
+        assert!(is_gzip_compressed(&gzip_header));
+
+        let not_gzip = vec![0x00, 0x01, 0x02, 0x03];
+        assert!(!is_gzip_compressed(&not_gzip));
+
+        let too_short = vec![0x1f];
+        assert!(!is_gzip_compressed(&too_short));
+    }
+}
diff --git a/aws/tools/user-data-diff/src/diff.rs b/aws/tools/user-data-diff/src/diff.rs
new file mode 100644
index 0000000000..58b5f5454f
--- /dev/null
+++ b/aws/tools/user-data-diff/src/diff.rs
@@ -0,0 +1,57 @@
+use colored::*;
+use similar::{ChangeTag, TextDiff};
+
+pub fn display_diff(old_text: &str, new_text: &str, use_color: bool) {
+    if old_text == new_text {
+        println!("No differences found.");
+        return;
+    }
+
+    let diff = TextDiff::from_lines(old_text, new_text);
+
+    for change in diff.iter_all_changes() {
+        let (prefix, line_style) = match change.tag() {
+            ChangeTag::Delete => ("- ", if use_color { "red" } else { "" }),
+            ChangeTag::Insert => ("+ ", if use_color { "green" } else { "" }),
+            ChangeTag::Equal => ("  ", ""),
+        };
+
+        let line = format!("{}{}", prefix, change);
+
+        if use_color && !line_style.is_empty() {
+            match line_style {
+                "red" => print!("{}", line.red()),
+                "green" => print!("{}", line.green()),
+                _ => print!("{}", line),
+            }
+        } else {
+            print!("{}", line);
+        }
+    }
+
+    let stats = diff.ratio();
+    println!();
+    if use_color {
+        println!("Similarity: {:.1}%", (stats * 100.0).to_string().cyan());
+    } else {
+        println!("Similarity: {:.1}%", stats * 100.0);
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_display_diff_identical() {
+        let text = "line1\nline2\nline3";
+        display_diff(text, text, false);
+    }
+
+    #[test]
+    fn test_display_diff_different() {
+        let old_text = "line1\nline2\nline3";
+        let new_text = "line1\nline2_modified\nline3\nline4";
+        display_diff(old_text, new_text, false);
+    }
+}
diff --git a/aws/tools/user-data-diff/src/lib.rs b/aws/tools/user-data-diff/src/lib.rs
new file mode 100644
index 0000000000..94279cd26b
--- /dev/null
+++ b/aws/tools/user-data-diff/src/lib.rs
@@ -0,0 +1,229 @@
+pub mod client;
+pub mod decoder;
+pub mod diff;
+
+use base64::{engine::general_purpose, Engine as _};
+use client::Ec2Client;
+use decoder::decode_user_data;
+use diff::display_diff;
+
+#[derive(Debug)]
+pub struct DiffConfig {
+    pub region: String,
+    pub template_name: Option<String>,
+    pub template_id: Option<String>,
+    pub from_version: Option<String>,
+    pub to_version: Option<String>,
+    pub use_color: bool,
+}
+
+#[derive(Debug)]
+pub enum DiffError {
+    AwsError(String),
+    DecodingError(String),
+    NotFound(String),
+    InvalidVersion(String),
+}
+
+impl std::fmt::Display for DiffError {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            DiffError::AwsError(msg) => write!(f, "AWS Error: {}", msg),
+            DiffError::DecodingError(msg) => write!(f, "Decoding Error: {}", msg),
+            DiffError::NotFound(msg) => write!(f, "Not Found: {}", msg),
+            DiffError::InvalidVersion(msg) => write!(f, "Invalid Version: {}", msg),
+        }
+    }
+}
+
+impl std::error::Error for DiffError {}
+
+pub async fn diff_launch_template_user_data(
+    client: &dyn Ec2Client,
+    config: &DiffConfig,
+) -> Result<(), DiffError> {
+    let (template_id, versions) = if let Some(name) = &config.template_name {
+        let template = client.get_launch_template_by_name(name).await?;
+        let template_id = template.launch_template_id.ok_or_else(|| {
+            DiffError::NotFound(format!("Launch template ID not found for name: {}", name))
+        })?;
+        let versions = client.list_launch_template_versions(&template_id).await?;
+        (template_id, versions)
+    } else if let Some(id) = &config.template_id {
+        let versions = client.list_launch_template_versions(id).await?;
+        (id.clone(), versions)
+    } else {
+        return Err(DiffError::InvalidVersion(
+            "No template specified".to_string(),
+        ));
+    };
+
+    let (from_version, to_version) =
+        resolve_versions(&versions, &config.from_version, &config.to_version)?;
+
+    let from_data = client
+        .get_launch_template_version(&template_id, &from_version)
+        .await?;
+    let to_data = client
+        .get_launch_template_version(&template_id, &to_version)
+        .await?;
+
+    let from_user_data = from_data
+        .launch_template_data
+        .and_then(|d| d.user_data)
+        .unwrap_or_default();
+    let to_user_data = to_data
+        .launch_template_data
+        .and_then(|d| d.user_data)
+        .unwrap_or_default();
+
+    let from_decoded = decode_user_data(&from_user_data)?;
+    let to_decoded = decode_user_data(&to_user_data)?;
+
+    println!(
+        "Comparing launch template '{}' versions {} → {}",
+        config.template_name.as_ref().unwrap_or(&template_id),
+        from_version,
+        to_version
+    );
+    println!();
+
+    // If decoded content is identical, also check if encoding differs
+    if from_decoded == to_decoded {
+        if from_user_data != to_user_data {
+            println!("User data content is identical, but encoding differs:");
+            println!();
+            println!("Version {} encoding method:", from_version);
+            if is_likely_gzip_compressed(&from_user_data) {
+                println!("  Base64 + Gzip compression");
+            } else {
+                println!("  Plain Base64 encoding");
+            }
+            println!();
+            println!("Version {} encoding method:", to_version);
+            if is_likely_gzip_compressed(&to_user_data) {
+                println!("  Base64 + Gzip compression");
+            } else {
+                println!("  Plain Base64 encoding");
+            }
+            println!();
+            println!("Decoded content (identical):");
+            display_diff(&from_decoded, &to_decoded, config.use_color);
+        } else {
+            display_diff(&from_decoded, &to_decoded, config.use_color);
+        }
+    } else {
+        display_diff(&from_decoded, &to_decoded, config.use_color);
+    }
+
+    Ok(())
+}
+
+fn resolve_versions(
+    versions: &[aws_sdk_ec2::types::LaunchTemplateVersion],
+    from_version: &Option<String>,
+    to_version: &Option<String>,
+) -> Result<(String, String), DiffError> {
+    let sorted_versions: Vec<_> = {
+        let mut v = versions.iter().collect::<Vec<_>>();
+        v.sort_by_key(|version| version.version_number.unwrap_or(0));
+        v
+    };
+
+    if sorted_versions.is_empty() {
+        return Err(DiffError::NotFound("No versions found".to_string()));
+    }
+
+    let to_ver = match to_version {
+        Some(v) => v.clone(),
+        None => sorted_versions
+            .last()
+            .unwrap()
+            .version_number
+            .unwrap()
+            .to_string(),
+    };
+
+    let from_ver = match from_version {
+        Some(v) => v.clone(),
+        None => {
+            if sorted_versions.len() < 2 {
+                return Err(DiffError::InvalidVersion(
+                    "Need at least 2 versions to compare".to_string(),
+                ));
+            }
+            sorted_versions[sorted_versions.len() - 2]
+                .version_number
+                .unwrap()
+                .to_string()
+        }
+    };
+
+    Ok((from_ver, to_ver))
+}
+
+fn is_likely_gzip_compressed(base64_data: &str) -> bool {
+    if base64_data.is_empty() {
+        return false;
+    }
+
+    if let Ok(decoded_bytes) = general_purpose::STANDARD.decode(base64_data) {
+        decoded_bytes.len() >= 2 && decoded_bytes[0] == 0x1f && decoded_bytes[1] == 0x8b
+    } else {
+        false
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use aws_sdk_ec2::types::{LaunchTemplate, LaunchTemplateVersion, ResponseLaunchTemplateData};
+    use mockall::predicate::*;
+
+    mockall::mock! {
+        TestEc2Client {}
+
+        #[async_trait::async_trait]
+        impl Ec2Client for TestEc2Client {
+            async fn get_launch_template_by_name(&self, name: &str) -> Result<LaunchTemplate, DiffError>;
+            async fn list_launch_template_versions(&self, template_id: &str) -> Result<Vec<LaunchTemplateVersion>, DiffError>;
+            async fn get_launch_template_version(&self, template_id: &str, version: &str) -> Result<LaunchTemplateVersion, DiffError>;
+        }
+    }
+
+    #[test]
+    fn test_resolve_versions_with_defaults() {
+        let versions = vec![
+            LaunchTemplateVersion::builder().version_number(1).build(),
+            LaunchTemplateVersion::builder().version_number(2).build(),
+            LaunchTemplateVersion::builder().version_number(3).build(),
+        ];
+
+        let (from, to) = resolve_versions(&versions, &None, &None).unwrap();
+        assert_eq!(from, "2");
+        assert_eq!(to, "3");
+    }
+
+    #[test]
+    fn test_resolve_versions_with_specific_versions() {
+        let versions = vec![
+            LaunchTemplateVersion::builder().version_number(1).build(),
+            LaunchTemplateVersion::builder().version_number(2).build(),
+            LaunchTemplateVersion::builder().version_number(3).build(),
+        ];
+
+        let (from, to) =
+            resolve_versions(&versions, &Some("1".to_string()), &Some("3".to_string())).unwrap();
+        assert_eq!(from, "1");
+        assert_eq!(to, "3");
+    }
+
+    #[test]
+    fn test_resolve_versions_insufficient_versions() {
+        let versions = vec![LaunchTemplateVersion::builder().version_number(1).build()];
+
+        let result = resolve_versions(&versions, &None, &None);
+        assert!(result.is_err());
+        assert!(matches!(result.unwrap_err(), DiffError::InvalidVersion(_)));
+    }
+}
diff --git a/aws/tools/user-data-diff/src/main.rs b/aws/tools/user-data-diff/src/main.rs
new file mode 100644
index 0000000000..72875ec47b
--- /dev/null
+++ b/aws/tools/user-data-diff/src/main.rs
@@ -0,0 +1,60 @@
+use clap::Parser;
+use user_data_diff::client::AwsEc2Client;
+use user_data_diff::{diff_launch_template_user_data, DiffConfig};
+
+#[derive(Parser, Debug)]
+#[command(name = "user-data-diff")]
+#[command(about = "Compare user_data between AWS Launch Template versions")]
+struct Args {
+    #[clap(short, long, default_value = "us-east-1")]
+    region: String,
+
+    #[clap(long, group = "template")]
+    template_name: Option<String>,
+
+    #[clap(long, group = "template")]
+    template_id: Option<String>,
+
+    #[clap(long)]
+    from_version: Option<String>,
+
+    #[clap(long)]
+    to_version: Option<String>,
+
+    #[clap(long, default_value_t = false)]
+    no_color: bool,
+}
+
+#[tokio::main]
+async fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let args = Args::parse();
+
+    if args.template_name.is_none() && args.template_id.is_none() {
+        eprintln!("Error: Must specify either --template-name or --template-id");
+        std::process::exit(1);
+    }
+
+    let client = match AwsEc2Client::new(&args.region).await {
+        Ok(client) => client,
+        Err(e) => {
+            eprintln!("Failed to create AWS EC2 client: {}", e);
+            std::process::exit(1);
+        }
+    };
+
+    let config = DiffConfig {
+        region: args.region,
+        template_name: args.template_name,
+        template_id: args.template_id,
+        from_version: args.from_version,
+        to_version: args.to_version,
+        use_color: !args.no_color,
+    };
+
+    if let Err(e) = diff_launch_template_user_data(&client, &config).await {
+        eprintln!("Error: {}", e);
+        std::process::exit(1);
+    }
+
+    Ok(())
+}