diff --git a/quic/core/http/end_to_end_test.cc b/quic/core/http/end_to_end_test.cc
index e39b90a..52c8d82 100644
--- a/quic/core/http/end_to_end_test.cc
+++ b/quic/core/http/end_to_end_test.cc
@@ -14,7 +14,6 @@
 #include "net/third_party/quiche/src/quic/core/crypto/null_encrypter.h"
 #include "net/third_party/quiche/src/quic/core/http/http_constants.h"
 #include "net/third_party/quiche/src/quic/core/http/quic_spdy_client_stream.h"
-#include "net/third_party/quiche/src/quic/core/qpack/qpack_encoder_test_utils.h"
 #include "net/third_party/quiche/src/quic/core/quic_data_writer.h"
 #include "net/third_party/quiche/src/quic/core/quic_epoll_connection_helper.h"
 #include "net/third_party/quiche/src/quic/core/quic_error_codes.h"
@@ -42,6 +41,7 @@
 #include "net/third_party/quiche/src/quic/test_tools/crypto_test_utils.h"
 #include "net/third_party/quiche/src/quic/test_tools/packet_dropping_test_writer.h"
 #include "net/third_party/quiche/src/quic/test_tools/packet_reordering_writer.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_encoder_test_utils.h"
 #include "net/third_party/quiche/src/quic/test_tools/quic_client_peer.h"
 #include "net/third_party/quiche/src/quic/test_tools/quic_config_peer.h"
 #include "net/third_party/quiche/src/quic/test_tools/quic_connection_peer.h"
diff --git a/quic/core/http/quic_spdy_session_test.cc b/quic/core/http/quic_spdy_session_test.cc
index 80b651e..23b1cd6 100644
--- a/quic/core/http/quic_spdy_session_test.cc
+++ b/quic/core/http/quic_spdy_session_test.cc
@@ -29,8 +29,8 @@
 #include "net/third_party/quiche/src/quic/platform/api/quic_string_piece.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_test.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_text_utils.h"
-#include "net/third_party/quiche/src/quic/test_tools/qpack_encoder_peer.h"
-#include "net/third_party/quiche/src/quic/test_tools/qpack_header_table_peer.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_encoder_peer.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_header_table_peer.h"
 #include "net/third_party/quiche/src/quic/test_tools/quic_config_peer.h"
 #include "net/third_party/quiche/src/quic/test_tools/quic_connection_peer.h"
 #include "net/third_party/quiche/src/quic/test_tools/quic_flow_controller_peer.h"
diff --git a/quic/core/qpack/fuzzer/qpack_decoder_fuzzer.cc b/quic/core/qpack/fuzzer/qpack_decoder_fuzzer.cc
index e447bc8..87ef413 100644
--- a/quic/core/qpack/fuzzer/qpack_decoder_fuzzer.cc
+++ b/quic/core/qpack/fuzzer/qpack_decoder_fuzzer.cc
@@ -7,10 +7,10 @@
 #include <limits>
 
 #include "net/third_party/quiche/src/quic/core/qpack/qpack_decoder.h"
-#include "net/third_party/quiche/src/quic/core/qpack/qpack_decoder_test_utils.h"
 #include "net/third_party/quiche/src/quic/core/qpack/qpack_utils.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_fuzzed_data_provider.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_string_piece.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_decoder_test_utils.h"
 
 namespace quic {
 namespace test {
diff --git a/quic/core/qpack/fuzzer/qpack_encoder_stream_sender_fuzzer.cc b/quic/core/qpack/fuzzer/qpack_encoder_stream_sender_fuzzer.cc
index d5204b3..39fb674 100644
--- a/quic/core/qpack/fuzzer/qpack_encoder_stream_sender_fuzzer.cc
+++ b/quic/core/qpack/fuzzer/qpack_encoder_stream_sender_fuzzer.cc
@@ -8,10 +8,10 @@
 #include <string>
 
 #include "net/third_party/quiche/src/quic/core/qpack/qpack_encoder_stream_sender.h"
-#include "net/third_party/quiche/src/quic/core/qpack/qpack_encoder_test_utils.h"
 #include "net/third_party/quiche/src/quic/core/qpack/qpack_utils.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_fuzzed_data_provider.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_string_piece.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_encoder_test_utils.h"
 
 namespace quic {
 namespace test {
diff --git a/quic/core/qpack/fuzzer/qpack_round_trip_fuzzer.cc b/quic/core/qpack/fuzzer/qpack_round_trip_fuzzer.cc
index c7a05a8..1f06a43 100644
--- a/quic/core/qpack/fuzzer/qpack_round_trip_fuzzer.cc
+++ b/quic/core/qpack/fuzzer/qpack_round_trip_fuzzer.cc
@@ -11,14 +11,14 @@
 #include "net/third_party/quiche/src/quic/core/http/quic_header_list.h"
 #include "net/third_party/quiche/src/quic/core/qpack/qpack_decoded_headers_accumulator.h"
 #include "net/third_party/quiche/src/quic/core/qpack/qpack_decoder.h"
-#include "net/third_party/quiche/src/quic/core/qpack/qpack_decoder_test_utils.h"
 #include "net/third_party/quiche/src/quic/core/qpack/qpack_encoder.h"
 #include "net/third_party/quiche/src/quic/core/qpack/qpack_stream_sender_delegate.h"
 #include "net/third_party/quiche/src/quic/core/qpack/qpack_utils.h"
 #include "net/third_party/quiche/src/quic/core/qpack/value_splitting_header_list.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_containers.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_fuzzed_data_provider.h"
-#include "net/third_party/quiche/src/quic/test_tools/qpack_encoder_peer.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_decoder_test_utils.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_encoder_peer.h"
 #include "net/third_party/quiche/src/spdy/core/spdy_header_block.h"
 
 namespace quic {
diff --git a/quic/core/qpack/offline/README.md b/quic/core/qpack/offline/README.md
deleted file mode 100644
index 4f6697c..0000000
--- a/quic/core/qpack/offline/README.md
+++ /dev/null
@@ -1,28 +0,0 @@
-# QPACK Offline Interop Testing tools
-
-See
-[QPACK Offline Interop](https://github.com/quicwg/base-drafts/wiki/QPACK-Offline-Interop)
-for description of test data format.
-
-Example usage:
-
-```shell
-$ # Download test data
-$ cd $TEST_DATA
-$ git clone https://github.com/qpackers/qifs.git
-$ TEST_ENCODED_DATA=`pwd`/qifs/encoded/qpack-03
-$ TEST_QIF_DATA=`pwd`/qifs/qifs
-$
-$ # Decode encoded test data in four files and verify that they match
-$ # the original headers in corresponding files
-$ $BIN/qpack_offline_decoder \
->   $TEST_ENCODED_DATA/f5/fb-req.qifencoded.4096.100.0 \
->   $TEST_QIF_DATA/fb-req.qif
->   $TEST_ENCODED_DATA/h2o/fb-req-hq.out.512.0.1 \
->   $TEST_QIF_DATA/fb-req-hq.qif
->   $TEST_ENCODED_DATA/ls-qpack/fb-resp-hq.out.0.0.0 \
->   $TEST_QIF_DATA/fb-resp-hq.qif
->   $TEST_ENCODED_DATA/proxygen/netbsd.qif.proxygen.out.4096.0.0 \
->   $TEST_QIF_DATA/netbsd.qif
-$
-```
diff --git a/quic/core/qpack/qpack_decoded_headers_accumulator_test.cc b/quic/core/qpack/qpack_decoded_headers_accumulator_test.cc
index 1d60660..8a281ce 100644
--- a/quic/core/qpack/qpack_decoded_headers_accumulator_test.cc
+++ b/quic/core/qpack/qpack_decoded_headers_accumulator_test.cc
@@ -7,10 +7,10 @@
 #include <cstring>
 
 #include "net/third_party/quiche/src/quic/core/qpack/qpack_decoder.h"
-#include "net/third_party/quiche/src/quic/core/qpack/qpack_decoder_test_utils.h"
-#include "net/third_party/quiche/src/quic/core/qpack/qpack_test_utils.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_test.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_text_utils.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_decoder_test_utils.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_test_utils.h"
 
 using ::testing::ElementsAre;
 using ::testing::Eq;
diff --git a/quic/core/qpack/qpack_decoder_stream_sender_test.cc b/quic/core/qpack/qpack_decoder_stream_sender_test.cc
index 6e04259..e3dc124 100644
--- a/quic/core/qpack/qpack_decoder_stream_sender_test.cc
+++ b/quic/core/qpack/qpack_decoder_stream_sender_test.cc
@@ -4,9 +4,9 @@
 
 #include "net/third_party/quiche/src/quic/core/qpack/qpack_decoder_stream_sender.h"
 
-#include "net/third_party/quiche/src/quic/core/qpack/qpack_test_utils.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_test.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_text_utils.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_test_utils.h"
 
 using ::testing::Eq;
 using ::testing::StrictMock;
diff --git a/quic/core/qpack/qpack_decoder_test.cc b/quic/core/qpack/qpack_decoder_test.cc
index d0ff30f..5d05904 100644
--- a/quic/core/qpack/qpack_decoder_test.cc
+++ b/quic/core/qpack/qpack_decoder_test.cc
@@ -6,11 +6,11 @@
 
 #include <algorithm>
 
-#include "net/third_party/quiche/src/quic/core/qpack/qpack_decoder_test_utils.h"
-#include "net/third_party/quiche/src/quic/core/qpack/qpack_test_utils.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_logging.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_test.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_text_utils.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_decoder_test_utils.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_test_utils.h"
 #include "net/third_party/quiche/src/spdy/core/spdy_header_block.h"
 
 using ::testing::Eq;
diff --git a/quic/core/qpack/qpack_encoder_stream_sender_test.cc b/quic/core/qpack/qpack_encoder_stream_sender_test.cc
index 80a6ed3..0a42df2 100644
--- a/quic/core/qpack/qpack_encoder_stream_sender_test.cc
+++ b/quic/core/qpack/qpack_encoder_stream_sender_test.cc
@@ -4,9 +4,9 @@
 
 #include "net/third_party/quiche/src/quic/core/qpack/qpack_encoder_stream_sender.h"
 
-#include "net/third_party/quiche/src/quic/core/qpack/qpack_test_utils.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_test.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_text_utils.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_test_utils.h"
 
 using ::testing::Eq;
 using ::testing::StrictMock;
diff --git a/quic/core/qpack/qpack_encoder_test.cc b/quic/core/qpack/qpack_encoder_test.cc
index 6f2efe3..d29e9e4 100644
--- a/quic/core/qpack/qpack_encoder_test.cc
+++ b/quic/core/qpack/qpack_encoder_test.cc
@@ -7,13 +7,13 @@
 #include <limits>
 #include <string>
 
-#include "net/third_party/quiche/src/quic/core/qpack/qpack_encoder_test_utils.h"
-#include "net/third_party/quiche/src/quic/core/qpack/qpack_test_utils.h"
 #include "net/third_party/quiche/src/quic/core/qpack/qpack_utils.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_test.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_text_utils.h"
-#include "net/third_party/quiche/src/quic/test_tools/qpack_encoder_peer.h"
-#include "net/third_party/quiche/src/quic/test_tools/qpack_header_table_peer.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_encoder_peer.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_encoder_test_utils.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_header_table_peer.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_test_utils.h"
 
 using ::testing::_;
 using ::testing::Eq;
diff --git a/quic/core/qpack/qpack_instruction_decoder_test.cc b/quic/core/qpack/qpack_instruction_decoder_test.cc
index 2d57f5c..bdd85cf 100644
--- a/quic/core/qpack/qpack_instruction_decoder_test.cc
+++ b/quic/core/qpack/qpack_instruction_decoder_test.cc
@@ -7,10 +7,10 @@
 #include <algorithm>
 
 #include "net/third_party/quiche/src/quic/core/qpack/qpack_constants.h"
-#include "net/third_party/quiche/src/quic/core/qpack/qpack_test_utils.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_logging.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_test.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_text_utils.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_test_utils.h"
 
 using ::testing::_;
 using ::testing::Eq;
diff --git a/quic/core/qpack/offline/qpack_offline_decoder_bin.cc b/quic/core/qpack/qpack_offline_decoder_bin.cc
similarity index 94%
rename from quic/core/qpack/offline/qpack_offline_decoder_bin.cc
rename to quic/core/qpack/qpack_offline_decoder_bin.cc
index d72b000..327816e 100644
--- a/quic/core/qpack/offline/qpack_offline_decoder_bin.cc
+++ b/quic/core/qpack/qpack_offline_decoder_bin.cc
@@ -2,14 +2,13 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "net/third_party/quiche/src/quic/core/qpack/offline/qpack_offline_decoder.h"
-
 #include <cstddef>
 #include <iostream>
 
 #include "net/third_party/quiche/src/quic/platform/api/quic_flags.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_logging.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_string_piece.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_offline_decoder.h"
 
 int main(int argc, char* argv[]) {
   const char* usage =
diff --git a/quic/core/qpack/qpack_round_trip_test.cc b/quic/core/qpack/qpack_round_trip_test.cc
index cb2c514..306103c 100644
--- a/quic/core/qpack/qpack_round_trip_test.cc
+++ b/quic/core/qpack/qpack_round_trip_test.cc
@@ -5,12 +5,12 @@
 #include <string>
 #include <tuple>
 
-#include "net/third_party/quiche/src/quic/core/qpack/qpack_decoder_test_utils.h"
-#include "net/third_party/quiche/src/quic/core/qpack/qpack_encoder_test_utils.h"
-#include "net/third_party/quiche/src/quic/core/qpack/qpack_test_utils.h"
 #include "net/third_party/quiche/src/quic/core/qpack/qpack_utils.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_string_piece.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_test.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_decoder_test_utils.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_encoder_test_utils.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_test_utils.h"
 #include "net/third_party/quiche/src/spdy/core/spdy_header_block.h"
 
 using ::testing::Values;
diff --git a/quic/core/qpack/qpack_decoder_test_utils.cc b/quic/test_tools/qpack/qpack_decoder_test_utils.cc
similarity index 96%
rename from quic/core/qpack/qpack_decoder_test_utils.cc
rename to quic/test_tools/qpack/qpack_decoder_test_utils.cc
index eaf6664..2b835ae 100644
--- a/quic/core/qpack/qpack_decoder_test_utils.cc
+++ b/quic/test_tools/qpack/qpack_decoder_test_utils.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "net/third_party/quiche/src/quic/core/qpack/qpack_decoder_test_utils.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_decoder_test_utils.h"
 
 #include <algorithm>
 #include <cstddef>
diff --git a/quic/core/qpack/qpack_decoder_test_utils.h b/quic/test_tools/qpack/qpack_decoder_test_utils.h
similarity index 92%
rename from quic/core/qpack/qpack_decoder_test_utils.h
rename to quic/test_tools/qpack/qpack_decoder_test_utils.h
index 6505b60..213aded 100644
--- a/quic/core/qpack/qpack_decoder_test_utils.h
+++ b/quic/test_tools/qpack/qpack_decoder_test_utils.h
@@ -2,16 +2,16 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef QUICHE_QUIC_CORE_QPACK_QPACK_DECODER_TEST_UTILS_H_
-#define QUICHE_QUIC_CORE_QPACK_QPACK_DECODER_TEST_UTILS_H_
+#ifndef QUICHE_QUIC_TEST_TOOLS_QPACK_QPACK_DECODER_TEST_UTILS_H_
+#define QUICHE_QUIC_TEST_TOOLS_QPACK_QPACK_DECODER_TEST_UTILS_H_
 
 #include <string>
 
 #include "net/third_party/quiche/src/quic/core/qpack/qpack_decoder.h"
 #include "net/third_party/quiche/src/quic/core/qpack/qpack_progressive_decoder.h"
-#include "net/third_party/quiche/src/quic/core/qpack/qpack_test_utils.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_string_piece.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_test.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_test_utils.h"
 #include "net/third_party/quiche/src/spdy/core/spdy_header_block.h"
 
 namespace quic {
@@ -100,4 +100,4 @@
 }  // namespace test
 }  // namespace quic
 
-#endif  // QUICHE_QUIC_CORE_QPACK_QPACK_DECODER_TEST_UTILS_H_
+#endif  // QUICHE_QUIC_TEST_TOOLS_QPACK_QPACK_DECODER_TEST_UTILS_H_
diff --git a/quic/test_tools/qpack_encoder_peer.cc b/quic/test_tools/qpack/qpack_encoder_peer.cc
similarity index 89%
rename from quic/test_tools/qpack_encoder_peer.cc
rename to quic/test_tools/qpack/qpack_encoder_peer.cc
index 9719bdb..709686a 100644
--- a/quic/test_tools/qpack_encoder_peer.cc
+++ b/quic/test_tools/qpack/qpack_encoder_peer.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "net/third_party/quiche/src/quic/test_tools/qpack_encoder_peer.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_encoder_peer.h"
 
 #include "net/third_party/quiche/src/quic/core/qpack/qpack_encoder.h"
 
diff --git a/quic/test_tools/qpack_encoder_peer.h b/quic/test_tools/qpack/qpack_encoder_peer.h
similarity index 76%
rename from quic/test_tools/qpack_encoder_peer.h
rename to quic/test_tools/qpack/qpack_encoder_peer.h
index 2edf427..a824276 100644
--- a/quic/test_tools/qpack_encoder_peer.h
+++ b/quic/test_tools/qpack/qpack_encoder_peer.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef QUICHE_QUIC_TEST_TOOLS_QPACK_ENCODER_PEER_H_
-#define QUICHE_QUIC_TEST_TOOLS_QPACK_ENCODER_PEER_H_
+#ifndef QUICHE_QUIC_TEST_TOOLS_QPACK_QPACK_ENCODER_PEER_H_
+#define QUICHE_QUIC_TEST_TOOLS_QPACK_QPACK_ENCODER_PEER_H_
 
 #include <cstdint>
 
@@ -27,4 +27,4 @@
 
 }  // namespace quic
 
-#endif  // QUICHE_QUIC_TEST_TOOLS_QPACK_ENCODER_PEER_H_
+#endif  // QUICHE_QUIC_TEST_TOOLS_QPACK_QPACK_ENCODER_PEER_H_
diff --git a/quic/core/qpack/qpack_encoder_test_utils.cc b/quic/test_tools/qpack/qpack_encoder_test_utils.cc
similarity index 82%
rename from quic/core/qpack/qpack_encoder_test_utils.cc
rename to quic/test_tools/qpack/qpack_encoder_test_utils.cc
index d91d3d1..dbdd369 100644
--- a/quic/core/qpack/qpack_encoder_test_utils.cc
+++ b/quic/test_tools/qpack/qpack_encoder_test_utils.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "net/third_party/quiche/src/quic/core/qpack/qpack_encoder_test_utils.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_encoder_test_utils.h"
 
 #include "net/third_party/quiche/src/spdy/core/hpack/hpack_encoder.h"
 
diff --git a/quic/core/qpack/qpack_encoder_test_utils.h b/quic/test_tools/qpack/qpack_encoder_test_utils.h
similarity index 80%
rename from quic/core/qpack/qpack_encoder_test_utils.h
rename to quic/test_tools/qpack/qpack_encoder_test_utils.h
index b1103da..5fa2292 100644
--- a/quic/core/qpack/qpack_encoder_test_utils.h
+++ b/quic/test_tools/qpack/qpack_encoder_test_utils.h
@@ -2,15 +2,15 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef QUICHE_QUIC_CORE_QPACK_QPACK_ENCODER_TEST_UTILS_H_
-#define QUICHE_QUIC_CORE_QPACK_QPACK_ENCODER_TEST_UTILS_H_
+#ifndef QUICHE_QUIC_TEST_TOOLS_QPACK_QPACK_ENCODER_TEST_UTILS_H_
+#define QUICHE_QUIC_TEST_TOOLS_QPACK_QPACK_ENCODER_TEST_UTILS_H_
 
 #include <string>
 
 #include "net/third_party/quiche/src/quic/core/qpack/qpack_encoder.h"
-#include "net/third_party/quiche/src/quic/core/qpack/qpack_test_utils.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_string_piece.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_test.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_test_utils.h"
 #include "net/third_party/quiche/src/spdy/core/spdy_header_block.h"
 
 namespace quic {
@@ -37,4 +37,4 @@
 }  // namespace test
 }  // namespace quic
 
-#endif  // QUICHE_QUIC_CORE_QPACK_QPACK_ENCODER_TEST_UTILS_H_
+#endif  // QUICHE_QUIC_TEST_TOOLS_QPACK_QPACK_ENCODER_TEST_UTILS_H_
diff --git a/quic/test_tools/qpack_header_table_peer.cc b/quic/test_tools/qpack/qpack_header_table_peer.cc
similarity index 88%
rename from quic/test_tools/qpack_header_table_peer.cc
rename to quic/test_tools/qpack/qpack_header_table_peer.cc
index bb18731..c554a97 100644
--- a/quic/test_tools/qpack_header_table_peer.cc
+++ b/quic/test_tools/qpack/qpack_header_table_peer.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "net/third_party/quiche/src/quic/test_tools/qpack_header_table_peer.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_header_table_peer.h"
 
 #include "net/third_party/quiche/src/quic/core/qpack/qpack_header_table.h"
 
diff --git a/quic/test_tools/qpack_header_table_peer.h b/quic/test_tools/qpack/qpack_header_table_peer.h
similarity index 73%
rename from quic/test_tools/qpack_header_table_peer.h
rename to quic/test_tools/qpack/qpack_header_table_peer.h
index cbf3f44..19e8d0d 100644
--- a/quic/test_tools/qpack_header_table_peer.h
+++ b/quic/test_tools/qpack/qpack_header_table_peer.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef QUICHE_QUIC_TEST_TOOLS_QPACK_HEADER_TABLE_PEER_H_
-#define QUICHE_QUIC_TEST_TOOLS_QPACK_HEADER_TABLE_PEER_H_
+#ifndef QUICHE_QUIC_TEST_TOOLS_QPACK_QPACK_HEADER_TABLE_PEER_H_
+#define QUICHE_QUIC_TEST_TOOLS_QPACK_QPACK_HEADER_TABLE_PEER_H_
 
 #include <cstdint>
 
@@ -26,4 +26,4 @@
 
 }  // namespace quic
 
-#endif  // QUICHE_QUIC_TEST_TOOLS_QPACK_HEADER_TABLE_PEER_H_
+#endif  // QUICHE_QUIC_TEST_TOOLS_QPACK_QPACK_HEADER_TABLE_PEER_H_
diff --git a/quic/core/qpack/offline/qpack_offline_decoder.cc b/quic/test_tools/qpack/qpack_offline_decoder.cc
similarity index 91%
rename from quic/core/qpack/offline/qpack_offline_decoder.cc
rename to quic/test_tools/qpack/qpack_offline_decoder.cc
index 379cb6a..1472dd4 100644
--- a/quic/core/qpack/offline/qpack_offline_decoder.cc
+++ b/quic/test_tools/qpack/qpack_offline_decoder.cc
@@ -2,18 +2,40 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "net/third_party/quiche/src/quic/core/qpack/offline/qpack_offline_decoder.h"
+// Decoder to test QPACK Offline Interop corpus
+//
+// See https://github.com/quicwg/base-drafts/wiki/QPACK-Offline-Interop for
+// description of test data format.
+//
+// Example usage
+//
+//  cd $TEST_DATA
+//  git clone https://github.com/qpackers/qifs.git
+//  TEST_ENCODED_DATA=$TEST_DATA/qifs/encoded/qpack-06
+//  TEST_QIF_DATA=$TEST_DATA/qifs/qifs
+//  $BIN/qpack_offline_decoder \
+//      $TEST_ENCODED_DATA/f5/fb-req.qifencoded.4096.100.0 \
+//      $TEST_QIF_DATA/fb-req.qif
+//      $TEST_ENCODED_DATA/h2o/fb-req-hq.out.512.0.1 \
+//      $TEST_QIF_DATA/fb-req-hq.qif
+//      $TEST_ENCODED_DATA/ls-qpack/fb-resp-hq.out.0.0.0 \
+//      $TEST_QIF_DATA/fb-resp-hq.qif
+//      $TEST_ENCODED_DATA/proxygen/netbsd.qif.proxygen.out.4096.0.0 \
+//      $TEST_QIF_DATA/netbsd.qif
+//
+
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_offline_decoder.h"
 
 #include <cstdint>
 #include <string>
 #include <utility>
 
-#include "net/third_party/quiche/src/quic/core/qpack/qpack_test_utils.h"
 #include "net/third_party/quiche/src/quic/core/quic_types.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_endian.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_file_utils.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_logging.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_text_utils.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_test_utils.h"
 
 namespace quic {
 
diff --git a/quic/core/qpack/offline/qpack_offline_decoder.h b/quic/test_tools/qpack/qpack_offline_decoder.h
similarity index 92%
rename from quic/core/qpack/offline/qpack_offline_decoder.h
rename to quic/test_tools/qpack/qpack_offline_decoder.h
index 10598ce..e292385 100644
--- a/quic/core/qpack/offline/qpack_offline_decoder.h
+++ b/quic/test_tools/qpack/qpack_offline_decoder.h
@@ -2,15 +2,15 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef QUICHE_QUIC_CORE_QPACK_OFFLINE_QPACK_OFFLINE_DECODER_H_
-#define QUICHE_QUIC_CORE_QPACK_OFFLINE_QPACK_OFFLINE_DECODER_H_
+#ifndef QUICHE_QUIC_TEST_TOOLS_QPACK_QPACK_OFFLINE_DECODER_H_
+#define QUICHE_QUIC_TEST_TOOLS_QPACK_QPACK_OFFLINE_DECODER_H_
 
 #include <list>
 
 #include "net/third_party/quiche/src/quic/core/qpack/qpack_decoder.h"
-#include "net/third_party/quiche/src/quic/core/qpack/qpack_decoder_test_utils.h"
 #include "net/third_party/quiche/src/quic/core/qpack/qpack_utils.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_string_piece.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_decoder_test_utils.h"
 #include "net/third_party/quiche/src/spdy/core/spdy_header_block.h"
 
 namespace quic {
@@ -84,4 +84,4 @@
 
 }  // namespace quic
 
-#endif  // QUICHE_QUIC_CORE_QPACK_OFFLINE_QPACK_OFFLINE_DECODER_H_
+#endif  // QUICHE_QUIC_TEST_TOOLS_QPACK_QPACK_OFFLINE_DECODER_H_
diff --git a/quic/core/qpack/qpack_test_utils.cc b/quic/test_tools/qpack/qpack_test_utils.cc
similarity index 87%
rename from quic/core/qpack/qpack_test_utils.cc
rename to quic/test_tools/qpack/qpack_test_utils.cc
index 2d4a72e..faaddcb 100644
--- a/quic/core/qpack/qpack_test_utils.cc
+++ b/quic/test_tools/qpack/qpack_test_utils.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "net/third_party/quiche/src/quic/core/qpack/qpack_test_utils.h"
+#include "net/third_party/quiche/src/quic/test_tools/qpack/qpack_test_utils.h"
 
 #include <limits>
 
diff --git a/quic/core/qpack/qpack_test_utils.h b/quic/test_tools/qpack/qpack_test_utils.h
similarity index 85%
rename from quic/core/qpack/qpack_test_utils.h
rename to quic/test_tools/qpack/qpack_test_utils.h
index b898f9b..d112e0d 100644
--- a/quic/core/qpack/qpack_test_utils.h
+++ b/quic/test_tools/qpack/qpack_test_utils.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef QUICHE_QUIC_CORE_QPACK_QPACK_TEST_UTILS_H_
-#define QUICHE_QUIC_CORE_QPACK_QPACK_TEST_UTILS_H_
+#ifndef QUICHE_QUIC_TEST_TOOLS_QPACK_QPACK_TEST_UTILS_H_
+#define QUICHE_QUIC_TEST_TOOLS_QPACK_QPACK_TEST_UTILS_H_
 
 #include <cstddef>
 #include <functional>
@@ -38,4 +38,4 @@
 }  // namespace test
 }  // namespace quic
 
-#endif  // QUICHE_QUIC_CORE_QPACK_QPACK_TEST_UTILS_H_
+#endif  // QUICHE_QUIC_TEST_TOOLS_QPACK_QPACK_TEST_UTILS_H_