diff --git a/syntax_to_css/Cargo.lock b/syntax_to_css/Cargo.lock
new file mode 100644
index 0000000..ae7738b
--- /dev/null
+++ b/syntax_to_css/Cargo.lock
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diff --git a/syntax_to_css/Cargo.toml b/syntax_to_css/Cargo.toml
new file mode 100644
index 0000000..e10dc46
--- /dev/null
+++ b/syntax_to_css/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "syntax_to_css"
+description = "Simple CLI utility to convert a Sublime Text theme to a CSS file, for use with rendering via syntect."
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+anyhow = "1.0.71"
+syntect = "5.0.0"
diff --git a/syntax_to_css/src/main.rs b/syntax_to_css/src/main.rs
new file mode 100644
index 0000000..bb52bb4
--- /dev/null
+++ b/syntax_to_css/src/main.rs
@@ -0,0 +1,34 @@
+use std::fs::File;
+use std::io::{BufWriter, Write};
+use std::path::PathBuf;
+
+use syntect::highlighting::ThemeSet;
+use syntect::html::{css_for_theme_with_class_style, ClassStyle};
+
+fn main() -> anyhow::Result<()> {
+	println!("Sublime Text Theme to CSS Converter (via Syntect)");
+
+	let mut args: Vec<String> = std::env::args().collect();
+	args.remove(0); // normally the path of the executable itself. TODO: when is this not true? probably only some exotic environments i don't give a shit about ...?
+
+	let first_arg = args.first().unwrap_or(&String::new()).clone();
+	if first_arg == "-h" || first_arg == "--help" || first_arg.is_empty() {
+		println!("Usage: syntax_to_css <FILE>");
+		Ok(())
+	} else {
+		let path = PathBuf::from(first_arg);
+		println!("Loading theme {:?}", &path);
+		let theme = ThemeSet::get_theme(&path)?;
+
+		println!("Converting to CSS");
+		let css = css_for_theme_with_class_style(&theme, ClassStyle::SpacedPrefixed { prefix: "sh-" })?;
+
+		let css_path = path.with_extension("css");
+		println!("Writing to file {:?}", &css_path);
+		let f = File::create(css_path)?;
+		let mut writer = BufWriter::new(f);
+		writer.write_all(css.as_bytes())?;
+
+		Ok(())
+	}
+}