diff --git a/Cargo.lock b/Cargo.lock
index 2f50fae..4982051 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2418,6 +2418,7 @@ dependencies = [
  "clap",
  "icu_locid",
  "serde 1.0.218",
+ "serde_json",
  "tempfile",
  "thiserror 2.0.11",
  "toml",
@@ -3915,9 +3916,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.136"
+version = "1.0.139"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "336a0c23cf42a38d9eaa7cd22c7040d04e1228a19a933890805ffd00a16437d2"
+checksum = "44f86c3acccc9c65b153fe1b85a3be07fe5515274ec9f0653b4a0875731c72a6"
 dependencies = [
  "itoa",
  "memchr",
diff --git a/l10n-db/Cargo.toml b/l10n-db/Cargo.toml
index e36077b..8016440 100644
--- a/l10n-db/Cargo.toml
+++ b/l10n-db/Cargo.toml
@@ -8,6 +8,7 @@ chrono = { version = "0.4.39", features = ["serde"] }
 clap = { version = "4.5.30", features = ["derive"] }
 icu_locid = { version = "1.5.0", features = ["serde"] }
 serde = { version = "1.0.218", features = ["derive"] }
+serde_json = "1.0.139"
 tempfile = "3.17.1"
 thiserror = "2.0.11"
 toml = "0.8.20"
diff --git a/l10n-db/output.json b/l10n-db/output.json
new file mode 100644
index 0000000..fe23c55
--- /dev/null
+++ b/l10n-db/output.json
@@ -0,0 +1 @@
+{"SaveSettings":"Save Settings","Welcome":"Welcome to FitnessTrax"}
\ No newline at end of file
diff --git a/l10n-db/src/bin/main.rs b/l10n-db/src/bin/main.rs
index 1860136..a7880f8 100644
--- a/l10n-db/src/bin/main.rs
+++ b/l10n-db/src/bin/main.rs
@@ -7,7 +7,7 @@ use std::{
 use clap::{Parser, Subcommand};
 
 use icu_locid::{langid, LanguageIdentifier};
-use l10n_db::{self, read_file, Bundle, Editor, ReadError};
+use l10n_db::{self, export_file, read_file, Bundle, Editor, ReadError};
 use serde::Deserialize;
 
 #[derive(Parser)]
@@ -35,7 +35,7 @@ enum Commands {
         #[arg(short, long)]
         format: String,
         #[arg(short, long)]
-        locale: String,
+        locale: Option<String>,
     },
 }
 
@@ -74,7 +74,10 @@ fn main() {
                 println!("{}", key);
             }
         }
-        Some(Commands::Export { .. }) => todo!(),
+        Some(Commands::Export { format, locale }) => {
+            let locale = locale.as_ref().map(|l| l.clone().parse::<LanguageIdentifier>().unwrap()).unwrap_or(langid!("en"));
+            export_file(&bundle, locale, &PathBuf::from("output.json")).unwrap();
+        },
         None => {}
     }
 }
diff --git a/l10n-db/src/bundle.rs b/l10n-db/src/bundle.rs
index 3144ea9..df1e6b1 100644
--- a/l10n-db/src/bundle.rs
+++ b/l10n-db/src/bundle.rs
@@ -1,6 +1,6 @@
 use std::{collections::HashMap, fs::File, io::Write, path::PathBuf};
 
-use crate::Message;
+use crate::{Message, WriteError};
 
 pub struct Bundle {
     path: PathBuf,
diff --git a/l10n-db/src/js_format.rs b/l10n-db/src/js_format.rs
new file mode 100644
index 0000000..c8c5844
--- /dev/null
+++ b/l10n-db/src/js_format.rs
@@ -0,0 +1,22 @@
+use std::{collections::BTreeMap, fs::File, io::Write, path::Path};
+
+use icu_locid::LanguageIdentifier;
+
+use crate::{Bundle, WriteError};
+
+pub fn export_file(bundle: &Bundle, locale: LanguageIdentifier, path: &Path) -> Result<(), WriteError> {
+    let mut file = File::create(path).unwrap();
+    export_fh(bundle, locale, &mut file)
+}
+
+pub fn export_fh(bundle: &Bundle, locale: LanguageIdentifier, fh: &mut File) -> Result<(), WriteError> {
+    let messages = bundle.message_iter().map(|(key, message)| {
+        let content = message.variant(&locale).unwrap().content().to_owned();
+        (key.to_owned(), content)
+    }).collect::<Vec<(String, String)>>();
+
+    let messages: BTreeMap<String, String> = messages.into_iter().collect();
+    fh.write(serde_json::to_string(&messages).unwrap().as_bytes()).unwrap();
+
+    Ok(())
+}
diff --git a/l10n-db/src/lib.rs b/l10n-db/src/lib.rs
index ab1eec2..a5286f6 100644
--- a/l10n-db/src/lib.rs
+++ b/l10n-db/src/lib.rs
@@ -4,6 +4,9 @@ pub use bundle::Bundle;
 mod editor;
 pub use editor::Editor;
 
+mod js_format;
+pub use js_format::{export_file, export_fh};
+
 mod types;
 pub use types::{Message, Variant};
 
diff --git a/l10n-db/src/types.rs b/l10n-db/src/types.rs
index 13b447d..ad5caa0 100644
--- a/l10n-db/src/types.rs
+++ b/l10n-db/src/types.rs
@@ -36,6 +36,10 @@ impl Message {
         &self.description
     }
 
+    pub fn variant(&self, locale: &LanguageIdentifier) -> Option<&Variant> {
+        self.variants.get(locale)
+    }
+
     pub fn variant_mut(&mut self, locale: LanguageIdentifier) -> &mut Variant {
         self.variants.entry(locale.clone()).or_insert(Variant {
             locale,
diff --git a/l10n-db/src/utils.rs b/l10n-db/src/utils.rs
index b499b9d..82435a0 100644
--- a/l10n-db/src/utils.rs
+++ b/l10n-db/src/utils.rs
@@ -29,3 +29,9 @@ pub fn read_fh(file: &File) -> Result<Vec<u8>, ReadError> {
     reader.read_to_end(&mut content).map_err(|err| ReadError::Unhandled(err.kind()))?;
     Ok(content)
 }
+
+#[derive(Debug, Error)]
+pub enum WriteError {
+    #[error("unhandled write error")]
+    Unhandled(ErrorKind),
+}