diff --git a/Userland/Libraries/LibGfx/ICCProfile.cpp b/Userland/Libraries/LibGfx/ICCProfile.cpp
index 3f60eef6c4..964a83d362 100644
--- a/Userland/Libraries/LibGfx/ICCProfile.cpp
+++ b/Userland/Libraries/LibGfx/ICCProfile.cpp
@@ -116,6 +116,22 @@ struct ICCHeader {
 };
 static_assert(sizeof(ICCHeader) == 128);
 
+ErrorOr<u32> parse_size(ICCHeader const& header, ReadonlyBytes icc_bytes)
+{
+    // ICC v4, 7.2.2 Profile size field
+    // "The value in the profile size field shall be the exact size obtained by combining the profile header,
+    // the tag table, and the tagged element data, including the pad bytes for the last tag."
+
+    // Valid files have enough data for profile header and tag table entry count.
+    if (header.profile_size < sizeof(ICCHeader) + sizeof(u32))
+        return Error::from_string_literal("ICC::Profile: Profile size too small");
+
+    if (header.profile_size > icc_bytes.size())
+        return Error::from_string_literal("ICC::Profile: Profile size larger than input data");
+
+    return header.profile_size;
+}
+
 Optional<PreferredCMMType> parse_preferred_cmm_type(ICCHeader const& header)
 {
     // ICC v4, 7.2.3 Preferred CMM type field
@@ -504,6 +520,7 @@ ErrorOr<NonnullRefPtr<Profile>> Profile::try_load_from_externally_owned_memory(R
     auto header = *bit_cast<ICCHeader const*>(bytes.data());
 
     TRY(parse_file_signature(header));
+    profile->m_on_disk_size = TRY(parse_size(header, bytes));
     profile->m_preferred_cmm_type = parse_preferred_cmm_type(header);
     profile->m_version = TRY(parse_version(header));
     profile->m_device_class = TRY(parse_device_class(header));
@@ -521,6 +538,10 @@ ErrorOr<NonnullRefPtr<Profile>> Profile::try_load_from_externally_owned_memory(R
     profile->m_id = TRY(parse_profile_id(header, bytes));
     TRY(parse_reserved(header));
 
+    bytes = bytes.trim(header.profile_size);
+    bytes = bytes.slice(sizeof(ICCHeader));
+    // FIXME: Read tag table.
+
     return profile;
 }
 
diff --git a/Userland/Libraries/LibGfx/ICCProfile.h b/Userland/Libraries/LibGfx/ICCProfile.h
index 8bb97204ad..e015412af4 100644
--- a/Userland/Libraries/LibGfx/ICCProfile.h
+++ b/Userland/Libraries/LibGfx/ICCProfile.h
@@ -223,6 +223,7 @@ public:
     // For non-DeviceLink profiles, always PCSXYZ or PCSLAB.
     ColorSpace connection_space() const { return m_connection_space; }
 
+    u32 on_disk_size() const { return m_on_disk_size; }
     time_t creation_timestamp() const { return m_creation_timestamp; }
     PrimaryPlatform primary_platform() const { return m_primary_platform; }
     Flags flags() const { return m_flags; }
@@ -237,6 +238,7 @@ public:
     static Crypto::Hash::MD5::DigestType compute_id(ReadonlyBytes);
 
 private:
+    u32 m_on_disk_size { 0 };
     Optional<PreferredCMMType> m_preferred_cmm_type;
     Version m_version;
     DeviceClass m_device_class;
diff --git a/Userland/Utilities/icc.cpp b/Userland/Utilities/icc.cpp
index ac786a87fe..5e22e04e60 100644
--- a/Userland/Utilities/icc.cpp
+++ b/Userland/Utilities/icc.cpp
@@ -67,5 +67,11 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     out_optional("creator", profile->creator());
     out_optional("id", profile->id());
 
+    size_t profile_disk_size = icc_file->size();
+    if (profile_disk_size != profile->on_disk_size()) {
+        VERIFY(profile_disk_size > profile->on_disk_size());
+        outln("{} trailing bytes after profile data", profile_disk_size - profile->on_disk_size());
+    }
+
     return 0;
 }