diff --git a/README.md b/README.md
index fe1b93103a56cdd0abf7fcbe63958af8229c7da5..22944a71a43ddaaecbd01b1cb45439ffcaee9b40 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ | [c-signals](./c-signals)               | clang-17   | Uses SIGUSR1 and SIGUSR2 as IPC mechanism.                     |
 | [c-structs](./c-structs)               | clang-17   | Saves and reads structs in/from binary files.                  |
 | [zig-c-interop](./zig-c-interop)       | zig-0.11.0 | Uses functions written in C from Zig code.                     |
 | [zig-ppm](./zig-ppm)                   | zig-0.11.0 | Creates an image with random pixels in PPM image format.       |
-| [zig-structs](./zig-structs)           | zig-0.11.0 | Serialization of a struct into JSON and then reading it back.  |
+| [zig-struct-json](./zig-struct-json)   | zig-0.11.0 | Serialization of a struct into JSON and then reading it back.  |
 | [zig-telnet](./zig-telnet)             | zig-0.11.0 | Connects to Redis server like it is a basic telnet server.     |
 | [zig-x11](./zig-x11)                   | zig-0.11.0 | Uses X11 to create a basic window without any bindings needed. |
 | [zig-http](./zig-http)                 | zig-0.11.0 | Basic example of a HTTP 1.1 server without any routing etc.    |
@@ -34,6 +34,7 @@ | [zig-wad](./zig-wad)                   | zig-0.11.0 | Reads doom.wad and extracts the identification header.         |
 | [zig-os-props](./zig-os-props)         | zig-0.11.0 | Detects properties of the target operating system.             |
 | [zig-tlv-encoding](./zig-tlv-encoding) | zig-0.13.0 | Naive implementation of TLV encoding in Zig.                   |
 | [zig-embed](./zig-embed)               | zig-0.13.0 | Embedding external resources in compiled binary.               |
+| [zig-struct-bin](./zig-struct-bin)     | zig-0.13.0 | Save a struct into binary file and then reading it back.       |
 
 ## License
 
diff --git a/zig-struct-bin/Makefile b/zig-struct-bin/Makefile
new file mode 100644
index 0000000000000000000000000000000000000000..98beea6ce4d57f545c92959f91b3774a6d6fd290
--- /dev/null
+++ b/zig-struct-bin/Makefile
@@ -0,0 +1,2 @@
+default:
+	zig test main.zig
diff --git a/zig-struct-bin/main.zig b/zig-struct-bin/main.zig
new file mode 100644
index 0000000000000000000000000000000000000000..41932422b575b9b632a72c3f02092a3d1a1a5208
--- /dev/null
+++ b/zig-struct-bin/main.zig
@@ -0,0 +1,35 @@
+const std = @import("std");
+
+const Sample = packed struct {
+    type: u16,
+    machine: u16,
+    version: u32,
+};
+
+test "write" {
+    const s = Sample{
+        .type = 54,
+        .machine = 72,
+        .version = 132,
+    };
+
+    std.debug.print("{}\n", .{s});
+
+    var file = try std.fs.cwd().createFile("out.bin", .{});
+    defer file.close();
+
+    try file.writeAll(std.mem.asBytes(&s));
+}
+
+test "read" {
+    var file = try std.fs.cwd().openFile("./out.bin", .{});
+    defer file.close();
+
+    var buffer: [8]u8 = undefined;
+    _ = try file.read(buffer[0..]);
+
+    const s: *Sample = @ptrCast(@alignCast(&buffer));
+    std.debug.print("{}\n", .{s});
+}
+
+pub fn main() void {}
diff --git a/zig-struct-bin/out.bin b/zig-struct-bin/out.bin
new file mode 100644
index 0000000000000000000000000000000000000000..44ae9d85adffb45f7bbfa68fc903ae365623745c
Binary files /dev/null and b/zig-struct-bin/out.bin differ
diff --git a/zig-structs/Makefile b/zig-struct-json/Makefile
rename from zig-structs/Makefile
rename to zig-struct-json/Makefile
diff --git a/zig-structs/player.json b/zig-struct-json/player.json
rename from zig-structs/player.json
rename to zig-struct-json/player.json
diff --git a/zig-structs/player.zig b/zig-struct-json/player.zig
rename from zig-structs/player.zig
rename to zig-struct-json/player.zig
diff --git a/zig-structs/read.zig b/zig-struct-json/read.zig
rename from zig-structs/read.zig
rename to zig-struct-json/read.zig
diff --git a/zig-structs/write.zig b/zig-struct-json/write.zig
rename from zig-structs/write.zig
rename to zig-struct-json/write.zig