diff --git a/Userland/Libraries/LibCompress/Gzip.cpp b/Userland/Libraries/LibCompress/Gzip.cpp
index 10b6788b6b..d64a8fab6f 100644
--- a/Userland/Libraries/LibCompress/Gzip.cpp
+++ b/Userland/Libraries/LibCompress/Gzip.cpp
@@ -11,6 +11,7 @@
 #include <AK/DeprecatedString.h>
 #include <AK/MemoryStream.h>
 #include <LibCore/DateTime.h>
+#include <LibCore/File.h>
 
 namespace Compress {
 
@@ -179,6 +180,22 @@ ErrorOr<ByteBuffer> GzipDecompressor::decompress_all(ReadonlyBytes bytes)
     return output_buffer;
 }
 
+ErrorOr<void> GzipDecompressor::decompress_file(StringView input_filename, NonnullOwnPtr<Stream> output_stream)
+{
+    auto input_file = TRY(Core::File::open(input_filename, Core::File::OpenMode::Read));
+    auto input_stream = TRY(Core::BufferedFile::create(move(input_file), 256 * KiB));
+
+    auto gzip_stream = GzipDecompressor { move(input_stream) };
+    auto buffer = TRY(ByteBuffer::create_uninitialized(256 * KiB));
+
+    while (!gzip_stream.is_eof()) {
+        auto span = TRY(gzip_stream.read_some(buffer));
+        TRY(output_stream->write_until_depleted(span));
+    }
+
+    return {};
+}
+
 bool GzipDecompressor::is_eof() const { return m_input_stream->is_eof(); }
 
 ErrorOr<size_t> GzipDecompressor::write_some(ReadonlyBytes)
diff --git a/Userland/Libraries/LibCompress/Gzip.h b/Userland/Libraries/LibCompress/Gzip.h
index de5d103a9c..6dcfbd5113 100644
--- a/Userland/Libraries/LibCompress/Gzip.h
+++ b/Userland/Libraries/LibCompress/Gzip.h
@@ -52,6 +52,8 @@ public:
     virtual void close() override {};
 
     static ErrorOr<ByteBuffer> decompress_all(ReadonlyBytes);
+    static ErrorOr<void> decompress_file(StringView input_file, NonnullOwnPtr<Stream> output_stream);
+
     static Optional<DeprecatedString> describe_header(ReadonlyBytes);
     static bool is_likely_compressed(ReadonlyBytes bytes);
 
diff --git a/Userland/Utilities/gunzip.cpp b/Userland/Utilities/gunzip.cpp
index d7601c4561..5d4ef11af5 100644
--- a/Userland/Utilities/gunzip.cpp
+++ b/Userland/Utilities/gunzip.cpp
@@ -11,19 +11,6 @@
 #include <LibMain/Main.h>
 #include <unistd.h>
 
-static ErrorOr<void> decompress_file(NonnullOwnPtr<Stream> input_stream, Stream& output_stream)
-{
-    auto gzip_stream = Compress::GzipDecompressor { move(input_stream) };
-
-    auto buffer = TRY(ByteBuffer::create_uninitialized(256 * KiB));
-    while (!gzip_stream.is_eof()) {
-        auto span = TRY(gzip_stream.read_some(buffer));
-        TRY(output_stream.write_until_depleted(span));
-    }
-
-    return {};
-}
-
 ErrorOr<int> serenity_main(Main::Arguments args)
 {
     Vector<StringView> filenames;
@@ -51,12 +38,8 @@ ErrorOr<int> serenity_main(Main::Arguments args)
             output_filename = filename;
         }
 
-        auto input_file = TRY(Core::File::open(input_filename, Core::File::OpenMode::Read));
-        auto buffered_input_file = TRY(Core::BufferedFile::create(move(input_file), 256 * KiB));
-
         auto output_stream = write_to_stdout ? TRY(Core::File::standard_output()) : TRY(Core::File::open(output_filename, Core::File::OpenMode::Write));
-
-        TRY(decompress_file(move(buffered_input_file), *output_stream));
+        TRY(Compress::GzipDecompressor::decompress_file(input_filename, move(output_stream)));
 
         if (!keep_input_files)
             TRY(Core::System::unlink(input_filename));