diff --git a/pkgs/development/tools/ttfb/default.nix b/pkgs/development/tools/ttfb/default.nix
new file mode 100644
index 000000000000..a3b8898eacf4
--- /dev/null
+++ b/pkgs/development/tools/ttfb/default.nix
@@ -0,0 +1,45 @@
+{ darwin
+, fetchCrate
+, lib
+, openssl
+, pkg-config
+, rustPlatform
+, stdenv
+}:
+
+rustPlatform.buildRustPackage rec {
+  pname = "ttfb";
+  version = "1.6.0";
+
+  src = fetchCrate {
+    inherit pname version;
+    sha256 = "sha256-o7kzQ8jtAqDwTUPtjeNqgotxREeWl7jQG+EDrYWJL/Q=";
+  };
+
+  cargoSha256 = "sha256-ayyYrrFDVOYVjVo5TLaRn2mvmywe5BjQ7kRVV2r0iK8=";
+
+  # The bin feature activates all dependencies of the binary. Otherwise,
+  # only the library is build.
+  buildFeatures = [ "bin" ];
+
+  nativeBuildInputs = [ pkg-config ];
+
+  buildInputs = [
+    openssl
+  ] ++ lib.optionals stdenv.isDarwin [
+    darwin.apple_sdk.frameworks.Security
+  ];
+
+  meta = with lib; {
+    description = "CLI-Tool to measure the TTFB (time to first byte) of HTTP(S) requests";
+    longDescription = ''
+      This crate measures the times of DNS lookup, TCP connect, TLS handshake, and HTTP's TTFB
+      for a given IP or domain.
+    '';
+    homepage = "https://github.com/phip1611/ttfb";
+    changelog = "https://github.com/phip1611/ttfb/blob/v${version}/CHANGELOG.md";
+    license = with licenses; [ mit ];
+    maintainers = with maintainers; [ phip1611 ];
+  };
+}
+
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 87fc70d7834a..0c2859f7cb61 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -12648,6 +12648,8 @@ with pkgs;
 
   oysttyer = callPackage ../applications/networking/instant-messengers/oysttyer { };
 
+  ttfb = callPackage ../development/tools/ttfb { };
+
   twilight = callPackage ../tools/graphics/twilight {
     libX11 = xorg.libX11;
   };