diff --git a/pkgs/by-name/li/libchdr/package.nix b/pkgs/by-name/li/libchdr/package.nix
new file mode 100644
index 000000000000..453c20d9382c
--- /dev/null
+++ b/pkgs/by-name/li/libchdr/package.nix
@@ -0,0 +1,48 @@
+{
+  lib,
+  stdenv,
+  fetchFromGitHub,
+  cmake,
+  pkg-config,
+  zlib,
+  zstd,
+}:
+
+stdenv.mkDerivation {
+  pname = "libchdr";
+  version = "0-unstable-2025-12-27";
+
+  src = fetchFromGitHub {
+    owner = "rtissera";
+    repo = "libchdr";
+    rev = "07a7dad23378b001f4ab174ef51bd6553f883edd";
+    hash = "sha256-FCZ442mDF/pO5sNHNcPtWxSOB8o3I0YwwNXzu1B2vVQ=";
+  };
+
+  nativeBuildInputs = [
+    cmake
+    pkg-config
+  ];
+
+  buildInputs = [
+    zlib
+    zstd
+  ];
+
+  cmakeFlags = [
+    (lib.cmakeBool "BUILD_SHARED_LIBS" (!stdenv.hostPlatform.isStatic))
+    (lib.cmakeBool "INSTALL_STATIC_LIBS" stdenv.hostPlatform.isStatic)
+    (lib.cmakeBool "WITH_SYSTEM_ZLIB" true)
+    (lib.cmakeBool "WITH_SYSTEM_ZSTD" true)
+    (lib.cmakeFeature "CMAKE_INSTALL_LIBDIR" "lib")
+    (lib.cmakeFeature "CMAKE_INSTALL_INCLUDEDIR" "include")
+  ];
+
+  meta = {
+    description = "Standalone library for reading MAME's CHDv1-v5 formats";
+    homepage = "https://github.com/rtissera/libchdr";
+    license = lib.licenses.bsd3;
+    maintainers = with lib.maintainers; [ aleksana ];
+    platforms = lib.platforms.all;
+  };
+}