diff --git a/SabreTools.Models/GameHeader/FileData.cs b/SabreTools.Models/GameHeader/FileData.cs
new file mode 100644
index 0000000..2e1db36
--- /dev/null
+++ b/SabreTools.Models/GameHeader/FileData.cs
@@ -0,0 +1,32 @@
+namespace SabreTools.Models.GameHeader
+{
+    /// <summary>
+    /// File Data section for all files
+    /// </summary>
+    public sealed class FileData
+    {
+        public string? System { get; set; }
+
+        public string? Path { get; set; }
+
+        public string? Archive { get; set; }
+
+        public string? File { get; set; }
+
+        public string? BitSize { get; set; }
+
+        public long SizeBytes { get; set; }
+
+        // Hex string, no prefix
+        public string? CRC32 { get; set; }
+
+        // Hex string, no prefix
+        public string? MD5 { get; set; }
+
+        // Hex string, no prefix
+        public string? SHA1 { get; set; }
+
+        // Hex string, no prefix
+        public string? SHA256 { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/SabreTools.Models/GameHeader/NitroEncryptedData.cs b/SabreTools.Models/GameHeader/NitroEncryptedData.cs
new file mode 100644
index 0000000..75a8a41
--- /dev/null
+++ b/SabreTools.Models/GameHeader/NitroEncryptedData.cs
@@ -0,0 +1,22 @@
+namespace SabreTools.Models.GameHeader
+{
+    /// <summary>
+    /// Encrypted Data section for an NDS cart image
+    /// </summary>
+    public sealed class NitroEncryptedData
+    {
+        public ushort EncryptedSecure { get; set; }
+
+        // Hex string, no prefix
+        public string? EncryptedCRC32 { get; set; }
+
+        // Hex string, no prefix
+        public string? EncryptedMD5 { get; set; }
+
+        // Hex string, no prefix
+        public string? EncryptedSHA1 { get; set; }
+
+        // Hex string, no prefix
+        public string? EncryptedSHA256 { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/SabreTools.Models/GameHeader/NitroHeaderData.cs b/SabreTools.Models/GameHeader/NitroHeaderData.cs
new file mode 100644
index 0000000..e1a6856
--- /dev/null
+++ b/SabreTools.Models/GameHeader/NitroHeaderData.cs
@@ -0,0 +1,202 @@
+namespace SabreTools.Models.GameHeader
+{
+    /// <summary>
+    /// Header Data section for an NDS cart image
+    /// </summary>
+    public sealed class NitroHeaderData
+    {
+        public string? GameTitle { get; set; }
+
+        public string? GameSerial { get; set; }
+
+        public string? MakerCode { get; set; }
+
+        public byte UnitCode { get; set; }
+
+        public byte EncryptionSeed { get; set; }
+
+        public byte DeviceSize { get; set; }
+
+        public string? DeviceSizeInfo { get; set; }
+
+        public byte AsianRegion { get; set; }
+
+        // Hex string, prefixed
+        public string? Reserved1 { get; set; }
+
+        public byte Version { get; set; }
+
+        public string? VersionInfo { get; set; }
+
+        public byte Autostart { get; set; }
+
+        public string? AutostartInfo { get; set; }
+
+        public uint ARM9ROMOffset { get; set; }
+
+        public uint ARM9EntryAddress { get; set; }
+
+        public uint ARM9RAMOffset { get; set; }
+
+        public uint ARM7ROMOffset { get; set; }
+
+        public uint ARM7EntryAddress { get; set; }
+
+        public uint ARM7RAMOffset { get; set; }
+
+        public uint FNTOffset { get; set; }
+
+        public uint FNTSize { get; set; }
+
+        public uint FATOffset { get; set; }
+
+        public uint FATSize { get; set; }
+
+        public uint ARM9OverlayOffset { get; set; }
+
+        public uint ARM9OverlaySize { get; set; }
+
+        public uint ARM7OverlayOffset { get; set; }
+
+        public uint ARM7OverlaySize { get; set; }
+
+        public uint NormalCMDSetting { get; set; }
+
+        public uint Key1CMDSetting { get; set; }
+
+        public uint IconAddress { get; set; }
+
+        public ushort SecureCRC16 { get; set; }
+
+        public string? SecureCRC16Info { get; set; }
+
+        public ushort SecureTimeout { get; set; }
+
+        public uint ARM9AutoloadAddress { get; set; }
+
+        public uint ARM7AutoloadAddress { get; set; }
+
+        public ulong SecureDisable { get; set; }
+
+        public uint UsedRomSize { get; set; }
+
+        public string? UsedRomSizeInfo { get; set; }
+
+        public uint HeaderSize { get; set; }
+
+        public string? HeaderSizeInfo { get; set; }
+
+        // Hex string, no prefix
+        public string? Reserved2 { get; set; }
+
+        // Hex string, no prefix
+        public string? NintendoLogo { get; set; }
+
+        public ushort LogoCRC16 { get; set; }
+
+        public string? LogoCRC16Info { get; set; }
+
+        public ushort HeaderCRC16 { get; set; }
+
+        public string? HeaderCRC16Info { get; set; }
+
+        // Hex string, prefixed
+        public string? Reserved3 { get; set; }
+
+        // Hex string, prefixed
+        public string? ConfigSettings { get; set; }
+
+        public uint DsiRegionMask { get; set; }
+
+        public uint AccessControl { get; set; }
+
+        public uint ARM7SCFG { get; set; }
+
+        public uint DSiAppFlags { get; set; }
+
+        public uint DSi9RomOffset { get; set; }
+
+        public uint DSi9EntryAddress { get; set; }
+
+        public uint DSi9RamAddress { get; set; }
+
+        public uint DSi9Size { get; set; }
+
+        public uint DSi7RomOffset { get; set; }
+
+        public uint DSi7EntryAddress { get; set; }
+
+        public uint DSi7RamAddress { get; set; }
+
+        public uint DSi7Size { get; set; }
+
+        public uint DigestNTROffset { get; set; }
+
+        public uint DigestNTRSize { get; set; }
+
+        public uint DigestTWLOffset { get; set; }
+
+        public uint DigestTWLSize { get; set; }
+
+        public uint DigestSectorHashTableOffset { get; set; }
+
+        public uint DigestSectorHashTableSize { get; set; }
+
+        public uint DigestBlockHashTableOffset { get; set; }
+
+        public uint DigestBlockHashTableLength { get; set; }
+
+        public uint DigestSectorSize { get; set; }
+
+        public uint DigestBlockSectorCount { get; set; }
+
+        // Hex string, prefixed
+        public string? Reserved4 { get; set; }
+
+        public uint Modcrypt1Offset { get; set; }
+
+        public uint Modcrypt1Size { get; set; }
+
+        public uint Modcrypt2Offset { get; set; }
+
+        public uint Modcrypt2Size { get; set; }
+
+        public ulong TitleID { get; set; }
+
+        // Hex string, prefixed
+        public string? Reserved5 { get; set; }
+
+        // Hex string, prefixed
+        public string? ARM9SHA1HMAC { get; set; }
+
+        // Hex string, prefixed
+        public string? ARM7SHA1HMAC { get; set; }
+
+        // Hex string, prefixed
+        public string? DigestMasterSHA1HMAC { get; set; }
+
+        // Hex string, prefixed
+        public string? BannerSHA1HMAC { get; set; }
+
+        // Hex string, prefixed
+        public string? ARM9iSHA1HMAC { get; set; }
+
+        // Hex string, prefixed
+        public string? ARM7iSHA1HMAC { get; set; }
+
+        // Hex string, prefixed
+        public string? Reserved6 { get; set; }
+
+        // Hex string, prefixed
+        public string? UnknownHash { get; set; }
+
+        // Hex string, prefixed
+        public string? Reserved7 { get; set; }
+
+        // Hex string, prefixed
+        public string? Reserved8 { get; set; }
+
+        // Hex string, prefixed
+        public string? RSASignature { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/SabreTools.Models/GameHeader/NitroIconTitleData.cs b/SabreTools.Models/GameHeader/NitroIconTitleData.cs
new file mode 100644
index 0000000..4688c66
--- /dev/null
+++ b/SabreTools.Models/GameHeader/NitroIconTitleData.cs
@@ -0,0 +1,26 @@
+namespace SabreTools.Models.GameHeader
+{
+    /// <summary>
+    /// Icon/Title Data section for an NDS cart image
+    /// </summary>
+    public sealed class NitroIconTitleData
+    {
+        public ushort IconVersion { get; set; }
+
+        public ushort IconCRC16 { get; set; }
+
+        public string? IconCRCInfo { get; set; }
+
+        public string? JapaneseTitle { get; set; }
+
+        public string? EnglishTitle { get; set; }
+
+        public string? FrenchTitle { get; set; }
+
+        public string? GermanTitle { get; set; }
+
+        public string? SpanishTitle { get; set; }
+
+        public string? ItalianTitle { get; set; }
+    }
+}
\ No newline at end of file