diff --git a/src/proxy.ts b/src/proxy.ts
index ec17d7c..d29f90b 100644
--- a/src/proxy.ts
+++ b/src/proxy.ts
@@ -54,9 +54,11 @@ export async function handleProxy(targetUrl: string, request: Request): Promise<
 
   let targetResponse: Response;
   try {
+    const hasBody = request.method !== "GET" && request.method !== "HEAD";
     targetResponse = await fetch(targetUrl, {
       method: request.method,
       headers: forwardHeaders(request),
+      body: hasBody ? request.body : undefined,
       redirect: "manual",
     });
   } catch {
diff --git a/src/rewriter.test.ts b/src/rewriter.test.ts
index 30f1f90..0ed5b62 100644
--- a/src/rewriter.test.ts
+++ b/src/rewriter.test.ts
@@ -138,4 +138,20 @@ describe("HTMLRewriter integration", () => {
     const allProxied = dataSrcMatches.every((m) => m.includes("/browse/"));
     expect(allProxied).toBe(true);
   });
+
+  it("forwards POST body and content-type header", async () => {
+    const resp = await worker.fetch("/browse/https://httpbin.org/post", {
+      method: "POST",
+      headers: { "content-type": "application/x-www-form-urlencoded" },
+      body: "query=test&page=1",
+    });
+    if (resp.status !== 200) return;
+    const data = (await resp.json()) as {
+      form: Record<string, string>;
+      headers: Record<string, string>;
+    };
+    expect(data.form.query).toBe("test");
+    expect(data.form.page).toBe("1");
+    expect(data.headers["Content-Type"]).toContain("application/x-www-form-urlencoded");
+  });
 });
diff --git a/src/utils.ts b/src/utils.ts
index 783cb9d..a7f1352 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -64,7 +64,15 @@ export function stripHeaders(headers: Headers): Headers {
 
 export function forwardHeaders(request: Request): HeadersInit {
   const forwarded: Record<string, string> = {};
-  const pass = ["user-agent", "accept", "accept-language", "accept-encoding", "cookie", "referer"];
+  const pass = [
+    "user-agent",
+    "accept",
+    "accept-language",
+    "accept-encoding",
+    "cookie",
+    "referer",
+    "content-type",
+  ];
   pass.forEach((h) => {
     const v = request.headers.get(h);
     if (v) forwarded[h] = v;