diff --git a/Cargo.lock b/Cargo.lock
index d96e303..9c188ff 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -17,6 +17,28 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "async-stream"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b5a71a6f37880a80d1d7f19efd781e4b5de42c88f0722cc13bcb6cc2cfe8476"
+dependencies = [
+ "async-stream-impl",
+ "futures-core",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "async-stream-impl"
+version = "0.3.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c7c24de15d275a1ecfd47a380fb4d5ec9bfe0933f309ed5e705b775596a3574d"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "atoi"
 version = "2.0.0"
@@ -242,8 +264,11 @@ dependencies = [
 name = "data-exporter"
 version = "0.1.0"
 dependencies = [
+ "async-stream",
  "axum",
+ "bytes",
  "chrono",
+ "futures",
  "serde",
  "serde_json",
  "sqlx",
@@ -360,6 +385,21 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "futures"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "65bc07b1a8bc7c85c5f2e110c476c7389b4554ba72af57d8445ea63a576b0876"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-executor",
+ "futures-io",
+ "futures-sink",
+ "futures-task",
+ "futures-util",
+]
+
 [[package]]
 name = "futures-channel"
 version = "0.3.31"
@@ -404,6 +444,17 @@ version = "0.3.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9e5c1b78ca4aae1ac06c48a526a655760685149f0d465d21f37abfe57ce075c6"
 
+[[package]]
+name = "futures-macro"
+version = "0.3.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "162ee34ebcb7c64a8abebc059ce0fee27c2262618d7b60ed8faf72fef13c3650"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "futures-sink"
 version = "0.3.31"
@@ -422,8 +473,10 @@ version = "0.3.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9fa08315bb612088cc391249efdc3bc77536f16c91f6cf495e6fbe85b20a4a81"
 dependencies = [
+ "futures-channel",
  "futures-core",
  "futures-io",
+ "futures-macro",
  "futures-sink",
  "futures-task",
  "memchr",
diff --git a/Cargo.toml b/Cargo.toml
index 1d4c6ef..a49efbb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,8 +4,11 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
+async-stream = "0.3"
 axum = "0.8.7"
+bytes = "1.9"
 chrono = { version = "0.4.42", features = ["serde"] }
+futures = "0.3"
 serde = "1.0.228"
 serde_json = "1.0"
 sqlx = { version = "0.8.6", features = ["runtime-tokio-rustls", "postgres", "macros", "uuid", "chrono"] }
diff --git a/src/handler.rs b/src/handler.rs
index be14218..c7415b1 100644
--- a/src/handler.rs
+++ b/src/handler.rs
@@ -1,6 +1,8 @@
-use crate::models::{AppState, DataEntry, ExportData, ExportRequest, Project};
+use crate::models::{AppState, DataEntry, ExportRequest, Project};
+use bytes::Bytes;
 
 use axum::{
+    body::Body,
     extract::{Path, State},
     http::{
         StatusCode,
@@ -8,6 +10,8 @@ use axum::{
     },
     response::{IntoResponse, Response},
 };
+use futures::stream::StreamExt;
+use sqlx::Row;
 
 pub async fn export(
     State(state): State<AppState>,
@@ -51,28 +55,49 @@ pub async fn export(
     })?
     .ok_or(StatusCode::NOT_FOUND)?;
 
-    let data_entries = sqlx::query_as::<_, DataEntry>(
-        "SELECT data, created_at FROM data_entries WHERE project_id = $1 ORDER BY created_at DESC"
-    )
-    .bind(export_request.project_id)
-    .fetch_all(&state.pool)
-    .await
-    .map_err(|e| {
-        println!("Error while fetching data entries: {:?}", e);
+    let project_json = serde_json::to_string(&project).map_err(|e| {
+        println!("Error while serializing project: {:?}", e);
         StatusCode::INTERNAL_SERVER_ERROR
     })?;
 
-    let export_data = ExportData {
-        project,
-        data_entries,
-    };
+    let filename = format!("project-{}-export.json", export_request.project_id);
+    let project_id = export_request.project_id;
 
-    let json_string = serde_json::to_string_pretty(&export_data).map_err(|e| {
-        println!("Error while serializing export data: {:?}", e);
-        StatusCode::INTERNAL_SERVER_ERROR
-    })?;
+    let stream = async_stream::stream! {
+        yield Ok::<_, std::io::Error>(Bytes::from(format!("{{\"project\":{},\"data_entries\":[", project_json)));
 
-    let filename = format!("project-{}-export.json", export_request.project_id);
+        let mut row_stream = sqlx::query("SELECT data, created_at FROM data_entries WHERE project_id = $1 ORDER BY created_at DESC")
+            .bind(project_id)
+            .fetch(&state.pool);
+
+        let mut first = true;
+        while let Some(row) = row_stream.next().await {
+            match row {
+                Ok(row) => {
+                    let data_entry = DataEntry {
+                        data: row.try_get("data").ok(),
+                        created_at: row.get("created_at"),
+                    };
+
+                    if let Ok(entry_json) = serde_json::to_string(&data_entry) {
+                        if !first {
+                            yield Ok(Bytes::from(","));
+                        }
+                        first = false;
+                        yield Ok(Bytes::from(entry_json));
+                    }
+                }
+                Err(e) => {
+                    println!("Error while streaming data entry: {:?}", e);
+                    break;
+                }
+            }
+        }
+
+        yield Ok(Bytes::from("]}"));
+    };
+
+    let body = Body::from_stream(stream);
 
     Ok((
         StatusCode::OK,
@@ -83,7 +108,7 @@ pub async fn export(
                 &format!("attachment; filename=\"{}\"", filename),
             ),
         ],
-        json_string,
+        body,
     )
         .into_response())
 }
diff --git a/src/models.rs b/src/models.rs
index b706298..7d66475 100644
--- a/src/models.rs
+++ b/src/models.rs
@@ -32,9 +32,3 @@ pub struct DataEntry {
     pub data: Option<serde_json::Value>,
     pub created_at: NaiveDateTime,
 }
-
-#[derive(Debug, Serialize)]
-pub struct ExportData {
-    pub project: Project,
-    pub data_entries: Vec<DataEntry>,
-}