diff --git a/README.md b/README.md
index 83a6ec4..568c925 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,7 @@ Everything will immediately show up in ImHex's Content Store and gets bundled wi
 
 | Name | MIME | Path | Description |
 |------|------|------|-------------|
+| 7Z | | [`patterns/7z.hexpat`](patterns/7z.hexpat) | 7z File Format | 
 | AFE2 | | [`patterns/afe2.hexpat`](patterns/afe2.hexpat) | Nintendo Switch Atmosphère CFW Fatal Error log | 
 | AR | `application/x-archive` | [`patterns/ar.hexpat`](patterns/ar.hexpat) | Static library archive files | 
 | ARM VTOR | | [`patterns/arm_cm_vtor.hexpat`](patterns/arm_cm_vtor.hexpat) | ARM Cortex M Vector Table Layout | 
diff --git a/patterns/7z.hexpat b/patterns/7z.hexpat
new file mode 100644
index 0000000..95dc85d
--- /dev/null
+++ b/patterns/7z.hexpat
@@ -0,0 +1,98 @@
+#include <std/io.pat>
+#include <std/mem.pat>
+#include <std/math.pat>
+
+enum Type:u8{
+    startPosition = 0x00,
+    sizeStartHeader = 0x20,      
+};
+
+enum TypeB:u48{
+    sevenZipSignature = 0x1C27AFBC7A37,  
+};
+
+struct StartHeader {
+
+    u48 signature  [[color("FF0000")] ]; 
+    
+    u16 formatVersion [[color("00FF00")]]; 
+    
+    u32 crcOfTheFollowing20Bytes [[color("0000FF")]];
+    
+    u64 relativeOffsetEndHeader [[color("FFFF00")]];
+    
+    u64 theLengthOfEndHeader [[color("00FFFF")]]; 
+    
+    u32 crcOftheEndHeader [[color("FF00FF")]];
+    
+    u64 fileSize = relativeOffsetEndHeader + theLengthOfEndHeader + Type::sizeStartHeader;
+  
+    u64 startEndHeader = relativeOffsetEndHeader +  Type::sizeStartHeader;
+       
+};
+
+
+StartHeader startheader @ Type::startPosition;
+
+struct CompressedData {
+     u8 startOfCompressedData[4] [[color("C0C0C0")]];         
+};
+
+CompressedData compresseddata @ Type::sizeStartHeader;
+
+struct EndHeader {
+
+    padding[startheader.relativeOffsetEndHeader];
+    
+    u8 linkToMetaBlock [[color("FF0000")]];    
+    
+    char fullEndHeader[startheader.theLengthOfEndHeader] [[color("63954A")]]; 
+    
+    u64 lzmaSignaturePosition = std::mem::find_sequence_in_range(0, addressof(fullEndHeader), addressof(fullEndHeader) + sizeof(fullEndHeader), 0x23, 0x03, 0x01, 0x01, 0x05, 0x5D);                                                   
+    
+    if(lzmaSignaturePosition != 0xFFFFFFFFFFFFFFFF){
+
+        u48 lzmaSignature @ lzmaSignaturePosition [[color("0000FF")]];  
+    }
+          
+};
+
+EndHeader endheader @ Type::sizeStartHeader;
+
+        
+if(startheader.signature ==  TypeB::sevenZipSignature){
+
+    std::print("It is a 7z File Type"); std::print("\n");
+    
+} 
+
+std::print("Format Version {} ",startheader.formatVersion); 
+
+if(startheader.formatVersion ==  0x0400){
+
+    std::print("Major Version 0x00 Minor Version 0x04"); std::print("\n");
+    
+}   
+
+std::print("CRC of the following 20 bytes 0x{:X}",startheader.crcOfTheFollowing20Bytes); std::print("\n");   
+
+std::print("Relative offset of End Header {} ",startheader.relativeOffsetEndHeader); std::print("\n");   
+
+std::print("The length of End Header {} ",startheader.theLengthOfEndHeader); std::print("\n");   
+
+std::print("CRC of the End Header 0x{:X} ", startheader.crcOftheEndHeader); std::print("\n");
+
+std::print("Offset to start End Header {}",startheader.startEndHeader); std::print("\n");
+
+std::print("File size {} bytes",startheader.fileSize); std::print("\n");
+
+
+if(compresseddata.startOfCompressedData[0] ==  Type::startPosition){
+
+    std::print("Compressed Method LZMA"); std::print("\n");
+    
+}else{
+
+    std::print("Compressed Method LZMA2"); std::print("\n");
+    
+}
diff --git a/tests/patterns/test_data/7z.hexpat.7z b/tests/patterns/test_data/7z.hexpat.7z
new file mode 100644
index 0000000..cc7bf7b
Binary files /dev/null and b/tests/patterns/test_data/7z.hexpat.7z differ