diff --git a/Meta/Lagom/Tools/CodeGenerators/LibWeb/WrapperGenerator/IDLGenerators.cpp b/Meta/Lagom/Tools/CodeGenerators/LibWeb/WrapperGenerator/IDLGenerators.cpp
index 7881996494..1c5486f940 100644
--- a/Meta/Lagom/Tools/CodeGenerators/LibWeb/WrapperGenerator/IDLGenerators.cpp
+++ b/Meta/Lagom/Tools/CodeGenerators/LibWeb/WrapperGenerator/IDLGenerators.cpp
@@ -159,6 +159,10 @@ static bool impl_is_wrapper(Type const& type)
         return true;
     if (type.name == "Storage"sv)
         return true;
+    if (type.name == "File"sv)
+        return true;
+    if (type.name == "Blob"sv)
+        return true;
 
     return false;
 }
diff --git a/Userland/Libraries/LibWeb/Fetch/Infrastructure/HTTP/Bodies.h b/Userland/Libraries/LibWeb/Fetch/Infrastructure/HTTP/Bodies.h
index 424023b6c1..f487874fa0 100644
--- a/Userland/Libraries/LibWeb/Fetch/Infrastructure/HTTP/Bodies.h
+++ b/Userland/Libraries/LibWeb/Fetch/Infrastructure/HTTP/Bodies.h
@@ -18,7 +18,7 @@ namespace Web::Fetch::Infrastructure {
 // https://fetch.spec.whatwg.org/#concept-body
 class Body final {
 public:
-    using SourceType = Variant<Empty, ByteBuffer, NonnullRefPtr<FileAPI::Blob>>;
+    using SourceType = Variant<Empty, ByteBuffer, JS::Handle<FileAPI::Blob>>;
 
     struct ReadableStreamDummy { };
 
diff --git a/Userland/Libraries/LibWeb/FileAPI/Blob.cpp b/Userland/Libraries/LibWeb/FileAPI/Blob.cpp
index 69f912e00f..f839062ef4 100644
--- a/Userland/Libraries/LibWeb/FileAPI/Blob.cpp
+++ b/Userland/Libraries/LibWeb/FileAPI/Blob.cpp
@@ -7,12 +7,19 @@
 #include <AK/GenericLexer.h>
 #include <AK/StdLibExtras.h>
 #include <LibJS/Runtime/ArrayBuffer.h>
+#include <LibWeb/Bindings/BlobPrototype.h>
 #include <LibWeb/Bindings/DOMExceptionWrapper.h>
 #include <LibWeb/Bindings/IDLAbstractOperations.h>
 #include <LibWeb/FileAPI/Blob.h>
+#include <LibWeb/HTML/Window.h>
 
 namespace Web::FileAPI {
 
+DOM::ExceptionOr<JS::NonnullGCPtr<Blob>> Blob::create(HTML::Window& window, ByteBuffer byte_buffer, String type)
+{
+    return JS::NonnullGCPtr(*window.heap().allocate<Blob>(window.realm(), window, move(byte_buffer), move(type)));
+}
+
 // https://w3c.github.io/FileAPI/#convert-line-endings-to-native
 ErrorOr<String> convert_line_endings_to_native(String const& string)
 {
@@ -88,7 +95,7 @@ ErrorOr<ByteBuffer> process_blob_parts(Vector<BlobPart> const& blob_parts, Optio
                 return bytes.try_append(data_buffer.bytes());
             },
             // 3. If element is a Blob, append the bytes it represents to bytes.
-            [&](NonnullRefPtr<Blob> const& blob) -> ErrorOr<void> {
+            [&](JS::Handle<Blob> const& blob) -> ErrorOr<void> {
                 return bytes.try_append(blob->bytes());
             }));
     }
@@ -105,25 +112,35 @@ bool is_basic_latin(StringView view)
     return true;
 }
 
-Blob::Blob(ByteBuffer byte_buffer, String type)
-    : m_byte_buffer(move(byte_buffer))
-    , m_type(move(type))
+Blob::Blob(HTML::Window& window)
+    : PlatformObject(window.realm())
 {
+    set_prototype(&window.cached_web_prototype("Blob"));
 }
 
-Blob::Blob(ByteBuffer byte_buffer)
-    : m_byte_buffer(move(byte_buffer))
+Blob::Blob(HTML::Window& window, ByteBuffer byte_buffer, String type)
+    : PlatformObject(window.realm())
+    , m_byte_buffer(move(byte_buffer))
+    , m_type(move(type))
 {
+    set_prototype(&window.cached_web_prototype("Blob"));
+}
+
+Blob::Blob(HTML::Window& window, ByteBuffer byte_buffer)
+    : PlatformObject(window.realm())
+    , m_byte_buffer(move(byte_buffer))
+{
+    set_prototype(&window.cached_web_prototype("Blob"));
 }
 
 Blob::~Blob() = default;
 
 // https://w3c.github.io/FileAPI/#ref-for-dom-blob-blob
-DOM::ExceptionOr<NonnullRefPtr<Blob>> Blob::create(Optional<Vector<BlobPart>> const& blob_parts, Optional<BlobPropertyBag> const& options)
+DOM::ExceptionOr<JS::NonnullGCPtr<Blob>> Blob::create(HTML::Window& window, Optional<Vector<BlobPart>> const& blob_parts, Optional<BlobPropertyBag> const& options)
 {
     // 1. If invoked with zero parameters, return a new Blob object consisting of 0 bytes, with size set to 0, and with type set to the empty string.
     if (!blob_parts.has_value() && !options.has_value())
-        return adopt_ref(*new Blob());
+        return JS::NonnullGCPtr(*window.heap().allocate<Blob>(window.realm(), window));
 
     ByteBuffer byte_buffer {};
     // 2. Let bytes be the result of processing blob parts given blobParts and options.
@@ -148,16 +165,16 @@ DOM::ExceptionOr<NonnullRefPtr<Blob>> Blob::create(Optional<Vector<BlobPart>> co
     }
 
     // 4. Return a Blob object referring to bytes as its associated byte sequence, with its size set to the length of bytes, and its type set to the value of t from the substeps above.
-    return adopt_ref(*new Blob(move(byte_buffer), move(type)));
+    return JS::NonnullGCPtr(*window.heap().allocate<Blob>(window.realm(), window, move(byte_buffer), move(type)));
 }
 
-DOM::ExceptionOr<NonnullRefPtr<Blob>> Blob::create_with_global_object(HTML::Window&, Optional<Vector<BlobPart>> const& blob_parts, Optional<BlobPropertyBag> const& options)
+DOM::ExceptionOr<JS::NonnullGCPtr<Blob>> Blob::create_with_global_object(HTML::Window& window, Optional<Vector<BlobPart>> const& blob_parts, Optional<BlobPropertyBag> const& options)
 {
-    return Blob::create(blob_parts, options);
+    return Blob::create(window, blob_parts, options);
 }
 
 // https://w3c.github.io/FileAPI/#dfn-slice
-DOM::ExceptionOr<NonnullRefPtr<Blob>> Blob::slice(Optional<i64> start, Optional<i64> end, Optional<String> const& content_type)
+DOM::ExceptionOr<JS::NonnullGCPtr<Blob>> Blob::slice(Optional<i64> start, Optional<i64> end, Optional<String> const& content_type)
 {
     // 1. The optional start parameter is a value for the start point of a slice() call, and must be treated as a byte-order position, with the zeroth position representing the first byte.
     //    User agents must process slice() with start normalized according to the following:
@@ -217,22 +234,19 @@ DOM::ExceptionOr<NonnullRefPtr<Blob>> Blob::slice(Optional<i64> start, Optional<
     // b. S.size = span.
     // c. S.type = relativeContentType.
     auto byte_buffer = TRY_OR_RETURN_OOM(m_byte_buffer.slice(relative_start, span));
-    return adopt_ref(*new Blob(move(byte_buffer), move(relative_content_type)));
+    return JS::NonnullGCPtr(*heap().allocate<Blob>(realm(), global_object(), move(byte_buffer), move(relative_content_type)));
 }
 
 // https://w3c.github.io/FileAPI/#dom-blob-text
 JS::Promise* Blob::text()
 {
-    auto& vm = wrapper()->vm();
-    auto& realm = *vm.current_realm();
-
     // FIXME: 1. Let stream be the result of calling get stream on this.
     // FIXME: 2. Let reader be the result of getting a reader from stream. If that threw an exception, return a new promise rejected with that exception.
 
     // FIXME: We still need to implement ReadableStream for this step to be fully valid.
     // 3. Let promise be the result of reading all bytes from stream with reader
-    auto* promise = JS::Promise::create(realm);
-    auto* result = JS::js_string(vm, String { m_byte_buffer.bytes() });
+    auto* promise = JS::Promise::create(realm());
+    auto* result = JS::js_string(vm(), String { m_byte_buffer.bytes() });
 
     // 4. Return the result of transforming promise by a fulfillment handler that returns the result of running UTF-8 decode on its first argument.
     promise->fulfill(result);
@@ -242,16 +256,13 @@ JS::Promise* Blob::text()
 // https://w3c.github.io/FileAPI/#dom-blob-arraybuffer
 JS::Promise* Blob::array_buffer()
 {
-    auto& vm = wrapper()->vm();
-    auto& realm = *vm.current_realm();
-
     // FIXME: 1. Let stream be the result of calling get stream on this.
     // FIXME: 2. Let reader be the result of getting a reader from stream. If that threw an exception, return a new promise rejected with that exception.
 
     // FIXME: We still need to implement ReadableStream for this step to be fully valid.
     // 3. Let promise be the result of reading all bytes from stream with reader.
-    auto* promise = JS::Promise::create(realm);
-    auto buffer_result = JS::ArrayBuffer::create(realm, m_byte_buffer.size());
+    auto* promise = JS::Promise::create(realm());
+    auto buffer_result = JS::ArrayBuffer::create(realm(), m_byte_buffer.size());
     if (buffer_result.is_error()) {
         promise->reject(buffer_result.release_error().value().release_value());
         return promise;
diff --git a/Userland/Libraries/LibWeb/FileAPI/Blob.h b/Userland/Libraries/LibWeb/FileAPI/Blob.h
index 0513db6eae..2661096b6a 100644
--- a/Userland/Libraries/LibWeb/FileAPI/Blob.h
+++ b/Userland/Libraries/LibWeb/FileAPI/Blob.h
@@ -7,18 +7,16 @@
 #pragma once
 
 #include <AK/NonnullRefPtr.h>
-#include <AK/RefCounted.h>
 #include <AK/String.h>
 #include <AK/Vector.h>
 #include <LibWeb/Bindings/BlobPrototype.h>
-#include <LibWeb/Bindings/Wrappable.h>
+#include <LibWeb/Bindings/PlatformObject.h>
 #include <LibWeb/DOM/ExceptionOr.h>
 #include <LibWeb/Forward.h>
-#include <LibWeb/HTML/Window.h>
 
 namespace Web::FileAPI {
 
-using BlobPart = Variant<JS::Handle<JS::Object>, NonnullRefPtr<Blob>, String>;
+using BlobPart = Variant<JS::Handle<JS::Object>, JS::Handle<Blob>, String>;
 
 struct BlobPropertyBag {
     String type = String::empty();
@@ -29,26 +27,22 @@ struct BlobPropertyBag {
 [[nodiscard]] ErrorOr<ByteBuffer> process_blob_parts(Vector<BlobPart> const& blob_parts, Optional<BlobPropertyBag> const& options = {});
 [[nodiscard]] bool is_basic_latin(StringView view);
 
-class Blob
-    : public RefCounted<Blob>
-    , public Weakable<Blob>
-    , public Bindings::Wrappable {
+class Blob : public Bindings::PlatformObject {
+    WEB_PLATFORM_OBJECT(Blob, Bindings::PlatformObject);
 
 public:
-    using WrapperType = Bindings::BlobWrapper;
-    Blob(ByteBuffer byte_buffer, String type);
-
     virtual ~Blob() override;
 
-    static DOM::ExceptionOr<NonnullRefPtr<Blob>> create(Optional<Vector<BlobPart>> const& blob_parts = {}, Optional<BlobPropertyBag> const& options = {});
-    static DOM::ExceptionOr<NonnullRefPtr<Blob>> create_with_global_object(HTML::Window&, Optional<Vector<BlobPart>> const& blob_parts = {}, Optional<BlobPropertyBag> const& options = {});
+    static DOM::ExceptionOr<JS::NonnullGCPtr<Blob>> create(HTML::Window&, Optional<Vector<BlobPart>> const& blob_parts = {}, Optional<BlobPropertyBag> const& options = {});
+    static DOM::ExceptionOr<JS::NonnullGCPtr<Blob>> create(HTML::Window&, ByteBuffer, String type);
+    static DOM::ExceptionOr<JS::NonnullGCPtr<Blob>> create_with_global_object(HTML::Window&, Optional<Vector<BlobPart>> const& blob_parts = {}, Optional<BlobPropertyBag> const& options = {});
 
     // https://w3c.github.io/FileAPI/#dfn-size
     u64 size() const { return m_byte_buffer.size(); }
     // https://w3c.github.io/FileAPI/#dfn-type
     String const& type() const { return m_type; }
 
-    DOM::ExceptionOr<NonnullRefPtr<Blob>> slice(Optional<i64> start = {}, Optional<i64> end = {}, Optional<String> const& content_type = {});
+    DOM::ExceptionOr<JS::NonnullGCPtr<Blob>> slice(Optional<i64> start = {}, Optional<i64> end = {}, Optional<String> const& content_type = {});
 
     JS::Promise* text();
     JS::Promise* array_buffer();
@@ -56,13 +50,16 @@ public:
     ReadonlyBytes bytes() const { return m_byte_buffer.bytes(); }
 
 protected:
-    Blob(ByteBuffer byte_buffer);
+    Blob(HTML::Window&, ByteBuffer, String type);
+    Blob(HTML::Window&, ByteBuffer);
 
 private:
-    Blob() = default;
+    explicit Blob(HTML::Window&);
 
     ByteBuffer m_byte_buffer {};
     String m_type {};
 };
 
 }
+
+WRAPPER_HACK(Blob, Web::FileAPI)
diff --git a/Userland/Libraries/LibWeb/FileAPI/File.cpp b/Userland/Libraries/LibWeb/FileAPI/File.cpp
index b982869ed2..af004640d9 100644
--- a/Userland/Libraries/LibWeb/FileAPI/File.cpp
+++ b/Userland/Libraries/LibWeb/FileAPI/File.cpp
@@ -5,18 +5,22 @@
  */
 
 #include <LibWeb/FileAPI/File.h>
+#include <LibWeb/HTML/Window.h>
 
 namespace Web::FileAPI {
 
-File::File(ByteBuffer byte_buffer, String file_name, String type, i64 last_modified)
-    : Blob(move(byte_buffer), move(type))
+File::File(HTML::Window& window, ByteBuffer byte_buffer, String file_name, String type, i64 last_modified)
+    : Blob(window, move(byte_buffer), move(type))
     , m_name(move(file_name))
     , m_last_modified(last_modified)
 {
+    set_prototype(&window.cached_web_prototype("File"));
 }
 
+File::~File() = default;
+
 // https://w3c.github.io/FileAPI/#ref-for-dom-file-file
-DOM::ExceptionOr<NonnullRefPtr<File>> File::create(Vector<BlobPart> const& file_bits, String const& file_name, Optional<FilePropertyBag> const& options)
+DOM::ExceptionOr<JS::NonnullGCPtr<File>> File::create(HTML::Window& window, Vector<BlobPart> const& file_bits, String const& file_name, Optional<FilePropertyBag> const& options)
 {
     // 1. Let bytes be the result of processing blob parts given fileBits and options.
     auto bytes = TRY_OR_RETURN_OOM(process_blob_parts(file_bits, static_cast<Optional<BlobPropertyBag> const&>(*options)));
@@ -53,12 +57,12 @@ DOM::ExceptionOr<NonnullRefPtr<File>> File::create(Vector<BlobPart> const& file_
     //    4. F.name is set to n.
     //    5. F.type is set to t.
     //    6. F.lastModified is set to d.
-    return adopt_ref(*new File(move(bytes), move(name), move(type), last_modified));
+    return JS::NonnullGCPtr(*window.heap().allocate<File>(window.realm(), window, move(bytes), move(name), move(type), last_modified));
 }
 
-DOM::ExceptionOr<NonnullRefPtr<File>> File::create_with_global_object(HTML::Window&, Vector<BlobPart> const& file_bits, String const& file_name, Optional<FilePropertyBag> const& options)
+DOM::ExceptionOr<JS::NonnullGCPtr<File>> File::create_with_global_object(HTML::Window& window, Vector<BlobPart> const& file_bits, String const& file_name, Optional<FilePropertyBag> const& options)
 {
-    return create(file_bits, file_name, options);
+    return create(window, file_bits, file_name, options);
 }
 
 }
diff --git a/Userland/Libraries/LibWeb/FileAPI/File.h b/Userland/Libraries/LibWeb/FileAPI/File.h
index 43a8008055..e348e4d37e 100644
--- a/Userland/Libraries/LibWeb/FileAPI/File.h
+++ b/Userland/Libraries/LibWeb/FileAPI/File.h
@@ -16,12 +16,13 @@ struct FilePropertyBag : BlobPropertyBag {
 };
 
 class File : public Blob {
+    WEB_PLATFORM_OBJECT(File, Blob);
 
 public:
-    using WrapperType = Bindings::FileWrapper;
+    static DOM::ExceptionOr<JS::NonnullGCPtr<File>> create(HTML::Window&, Vector<BlobPart> const& file_bits, String const& file_name, Optional<FilePropertyBag> const& options = {});
+    static DOM::ExceptionOr<JS::NonnullGCPtr<File>> create_with_global_object(HTML::Window&, Vector<BlobPart> const& file_bits, String const& file_name, Optional<FilePropertyBag> const& options = {});
 
-    static DOM::ExceptionOr<NonnullRefPtr<File>> create(Vector<BlobPart> const& file_bits, String const& file_name, Optional<FilePropertyBag> const& options = {});
-    static DOM::ExceptionOr<NonnullRefPtr<File>> create_with_global_object(HTML::Window&, Vector<BlobPart> const& file_bits, String const& file_name, Optional<FilePropertyBag> const& options = {});
+    virtual ~File() override;
 
     // https://w3c.github.io/FileAPI/#dfn-name
     String const& name() const { return m_name; }
@@ -29,10 +30,12 @@ public:
     i64 last_modified() const { return m_last_modified; }
 
 private:
-    File(ByteBuffer byte_buffer, String file_name, String type, i64 last_modified);
+    File(HTML::Window&, ByteBuffer, String file_name, String type, i64 last_modified);
 
     String m_name;
     i64 m_last_modified { 0 };
 };
 
 }
+
+WRAPPER_HACK(File, Web::FileAPI)
diff --git a/Userland/Libraries/LibWeb/Forward.h b/Userland/Libraries/LibWeb/Forward.h
index 3f125a72d8..e8a627ab33 100644
--- a/Userland/Libraries/LibWeb/Forward.h
+++ b/Userland/Libraries/LibWeb/Forward.h
@@ -448,10 +448,8 @@ class URLSearchParamsIterator;
 }
 
 namespace Web::Bindings {
-class BlobWrapper;
 class CryptoWrapper;
 class DOMExceptionWrapper;
-class FileWrapper;
 class HeadersWrapper;
 class HeadersIteratorWrapper;
 class IdleDeadlineWrapper;
diff --git a/Userland/Libraries/LibWeb/XHR/XMLHttpRequest.cpp b/Userland/Libraries/LibWeb/XHR/XMLHttpRequest.cpp
index ef447298c1..56e6a7c764 100644
--- a/Userland/Libraries/LibWeb/XHR/XMLHttpRequest.cpp
+++ b/Userland/Libraries/LibWeb/XHR/XMLHttpRequest.cpp
@@ -16,7 +16,6 @@
 #include <LibJS/Runtime/FunctionObject.h>
 #include <LibJS/Runtime/GlobalObject.h>
 #include <LibTextCodec/Decoder.h>
-#include <LibWeb/Bindings/BlobWrapper.h>
 #include <LibWeb/Bindings/IDLAbstractOperations.h>
 #include <LibWeb/Bindings/XMLHttpRequestPrototype.h>
 #include <LibWeb/DOM/DOMException.h>
@@ -133,9 +132,9 @@ DOM::ExceptionOr<JS::Value> XMLHttpRequest::response()
     }
     // 6. Otherwise, if this’s response type is "blob", set this’s response object to a new Blob object representing this’s received bytes with type set to the result of get a final MIME type for this.
     else if (m_response_type == Bindings::XMLHttpRequestResponseType::Blob) {
-        auto blob_part = TRY_OR_RETURN_OOM(try_make_ref_counted<FileAPI::Blob>(m_received_bytes, get_final_mime_type().type()));
-        auto blob = TRY(FileAPI::Blob::create(Vector<FileAPI::BlobPart> { move(blob_part) }));
-        m_response_object = JS::Value(wrap(realm(), *blob));
+        auto blob_part = TRY(FileAPI::Blob::create(global_object(), m_received_bytes, get_final_mime_type().type()));
+        auto blob = TRY(FileAPI::Blob::create(global_object(), Vector<FileAPI::BlobPart> { JS::make_handle(*blob_part) }));
+        m_response_object = JS::Value(blob.ptr());
     }
     // 7. Otherwise, if this’s response type is "document", set a document response for this.
     else if (m_response_type == Bindings::XMLHttpRequestResponseType::Document) {
@@ -286,7 +285,7 @@ static ErrorOr<Fetch::Infrastructure::BodyWithType> extract_body(XMLHttpRequestB
     // 6. Switch on object.
     // FIXME: Still need to support BufferSource and FormData
     TRY(body_init.visit(
-        [&](NonnullRefPtr<FileAPI::Blob> const& blob) -> ErrorOr<void> {
+        [&](JS::Handle<FileAPI::Blob> const& blob) -> ErrorOr<void> {
             // FIXME: Set action to this step: read object.
             // Set source to object.
             source = blob;
@@ -493,7 +492,7 @@ DOM::ExceptionOr<void> XMLHttpRequest::send(Optional<XMLHttpRequestBodyInit> bod
                 request.set_body(buffer);
                 return {};
             },
-            [&](NonnullRefPtr<FileAPI::Blob> const& blob) -> ErrorOr<void> {
+            [&](JS::Handle<FileAPI::Blob> const& blob) -> ErrorOr<void> {
                 auto byte_buffer = TRY(ByteBuffer::copy(blob->bytes()));
                 request.set_body(byte_buffer);
                 return {};
diff --git a/Userland/Libraries/LibWeb/XHR/XMLHttpRequest.h b/Userland/Libraries/LibWeb/XHR/XMLHttpRequest.h
index 7c47eb404f..edea21ab67 100644
--- a/Userland/Libraries/LibWeb/XHR/XMLHttpRequest.h
+++ b/Userland/Libraries/LibWeb/XHR/XMLHttpRequest.h
@@ -24,7 +24,7 @@
 namespace Web::XHR {
 
 // https://fetch.spec.whatwg.org/#typedefdef-xmlhttprequestbodyinit
-using XMLHttpRequestBodyInit = Variant<NonnullRefPtr<FileAPI::Blob>, JS::Handle<JS::Object>, NonnullRefPtr<URL::URLSearchParams>, String>;
+using XMLHttpRequestBodyInit = Variant<JS::Handle<FileAPI::Blob>, JS::Handle<JS::Object>, NonnullRefPtr<URL::URLSearchParams>, String>;
 
 class XMLHttpRequest final : public XMLHttpRequestEventTarget {
     WEB_PLATFORM_OBJECT(XMLHttpRequest, XMLHttpRequestEventTarget);
diff --git a/Userland/Libraries/LibWeb/idl_files.cmake b/Userland/Libraries/LibWeb/idl_files.cmake
index 47d5f3476a..0307450c85 100644
--- a/Userland/Libraries/LibWeb/idl_files.cmake
+++ b/Userland/Libraries/LibWeb/idl_files.cmake
@@ -54,8 +54,8 @@ libweb_js_wrapper(DOMParsing/XMLSerializer NO_INSTANCE)
 libweb_js_wrapper(Encoding/TextDecoder NO_INSTANCE)
 libweb_js_wrapper(Encoding/TextEncoder NO_INSTANCE)
 libweb_js_wrapper(Fetch/Headers ITERABLE)
-libweb_js_wrapper(FileAPI/Blob)
-libweb_js_wrapper(FileAPI/File)
+libweb_js_wrapper(FileAPI/Blob NO_INSTANCE)
+libweb_js_wrapper(FileAPI/File NO_INSTANCE)
 libweb_js_wrapper(Geometry/DOMPoint NO_INSTANCE)
 libweb_js_wrapper(Geometry/DOMPointReadOnly NO_INSTANCE)
 libweb_js_wrapper(Geometry/DOMRect NO_INSTANCE)