diff --git a/frontends/web/app.py b/frontends/web/app.py
index fc9db95..9cfc79b 100644
--- a/frontends/web/app.py
+++ b/frontends/web/app.py
@@ -84,6 +84,36 @@ THUMBNAIL_FILES: dict[str, bytes] = {}
 TEMP_FILE_EXPIRY = 300  # 5 minutes
 THUMBNAIL_SIZE = (250, 250)  # Maximum dimensions for thumbnail
 
+# ============================================================================
+# CONFIGURATION
+# ============================================================================
+
+# Override stegasoo limits for larger files
+# Note: You might need to modify the stegasoo library itself
+# to actually increase these limits in its internal calculations
+
+# Flask upload limit (30MB)
+MAX_UPLOAD_SIZE = 30 * 1024 * 1024
+
+# Try to import and override stegasoo constants if possible
+try:
+    # Check current limits
+    print(f"Current MAX_FILE_SIZE from constants: {MAX_FILE_SIZE}")
+    print(f"Current MAX_FILE_PAYLOAD_SIZE: {MAX_FILE_PAYLOAD_SIZE}")
+    
+    # Try to increase payload size limit (in bytes)
+    # 15MB should be enough for 7.6MB files with overhead
+    DESIRED_PAYLOAD_SIZE = 15 * 1024 * 1024  # 15MB
+    
+    # Note: You might need to patch the stegasoo module
+    # if MAX_FILE_PAYLOAD_SIZE is used internally
+    import stegasoo
+    if hasattr(stegasoo, 'MAX_FILE_PAYLOAD_SIZE'):
+        print(f"Overriding MAX_FILE_PAYLOAD_SIZE to {DESIRED_PAYLOAD_SIZE}")
+        stegasoo.MAX_FILE_PAYLOAD_SIZE = DESIRED_PAYLOAD_SIZE
+    
+except Exception as e:
+    print(f"Could not override stegasoo limits: {e}")
 
 def generate_thumbnail(image_data: bytes, size: tuple = THUMBNAIL_SIZE) -> bytes:
     """Generate thumbnail from image data."""
@@ -737,4 +767,4 @@ def about():
 # ============================================================================
 
 if __name__ == '__main__':
-    app.run(host='0.0.0.0', port=5000, debug=False)
\ No newline at end of file
+    app.run(host='0.0.0.0', port=5000, debug=False)
diff --git a/src/stegasoo/constants.py b/src/stegasoo/constants.py
index e2c6f63..63b96f4 100644
--- a/src/stegasoo/constants.py
+++ b/src/stegasoo/constants.py
@@ -44,11 +44,13 @@ PBKDF2_ITERATIONS = 600000
 # INPUT LIMITS
 # ============================================================================
 
-MAX_IMAGE_PIXELS = 16_000_000     # ~16 megapixels (4000x4000)
+MAX_IMAGE_PIXELS = 24_000_000     # ~24 megapixels
 MAX_MESSAGE_SIZE = 250_000        # 250 KB (text messages)
-MAX_FILE_PAYLOAD_SIZE = 250_000   # 250 KB (file payloads)
 MAX_FILENAME_LENGTH = 255         # Max filename length to store
-MAX_FILE_SIZE = 10 * 1024 * 1024  # 10 MB (upload limit)
+
+# Example in constants.py
+MAX_FILE_SIZE = 30 * 1024 * 1024  # 30MB total file size
+MAX_FILE_PAYLOAD_SIZE = 2 * 1024 * 1024  # 2MB payload
 
 MIN_PIN_LENGTH = 6
 MAX_PIN_LENGTH = 9
diff --git a/test_data/qr_scan.jpg b/test_data/qr_scan.jpg
new file mode 100644
index 0000000..80474ce
Binary files /dev/null and b/test_data/qr_scan.jpg differ