diff --git a/src/jsonschema/CMakeLists.txt b/src/jsonschema/CMakeLists.txt
index 8de677a11..068c9aa09 100644
--- a/src/jsonschema/CMakeLists.txt
+++ b/src/jsonschema/CMakeLists.txt
@@ -7,7 +7,8 @@ noa_library(NAMESPACE sourcemeta PROJECT jsontoolkit NAME jsonschema
   PRIVATE_HEADERS anchor.h bundle.h resolver.h
     walker.h reference.h frame.h error.h unevaluated.h keywords.h
   SOURCES jsonschema.cc default_walker.cc frame.cc
-    anchor.cc resolver.cc walker.cc bundle.cc unevaluated.cc
+    anchor.cc resolver.cc walker.cc bundle.cc
+    unevaluated.cc relativize.cc
     "${CMAKE_CURRENT_BINARY_DIR}/official_resolver.cc")
 
 if(JSONTOOLKIT_INSTALL)
diff --git a/src/jsonschema/include/sourcemeta/jsontoolkit/jsonschema.h b/src/jsonschema/include/sourcemeta/jsontoolkit/jsonschema.h
index 3f18f1648..0262d1bce 100644
--- a/src/jsonschema/include/sourcemeta/jsontoolkit/jsonschema.h
+++ b/src/jsonschema/include/sourcemeta/jsontoolkit/jsonschema.h
@@ -322,6 +322,12 @@ SOURCEMETA_JSONTOOLKIT_JSONSCHEMA_EXPORT
 auto schema_format_compare(const JSON::String &left, const JSON::String &right)
     -> bool;
 
+// TODO: Test & document
+SOURCEMETA_JSONTOOLKIT_JSONSCHEMA_EXPORT
+auto relativize(
+    JSON &schema, const SchemaWalker &walker, const SchemaResolver &resolver,
+    const std::optional<std::string> &default_dialect = std::nullopt) -> void;
+
 } // namespace sourcemeta::jsontoolkit
 
 #endif
diff --git a/src/jsonschema/relativize.cc b/src/jsonschema/relativize.cc
new file mode 100644
index 000000000..40efd30a3
--- /dev/null
+++ b/src/jsonschema/relativize.cc
@@ -0,0 +1,17 @@
+#include <sourcemeta/jsontoolkit/jsonschema.h>
+
+#include <iostream> // TODO DEBUG
+
+namespace sourcemeta::jsontoolkit {
+
+auto relativize(JSON &schema, const SchemaWalker &walker,
+                const SchemaResolver &resolver,
+                const std::optional<std::string> &default_dialect) -> void {
+  for (const auto &subschema :
+       SchemaIterator{schema, walker, resolver, default_dialect}) {
+    sourcemeta::jsontoolkit::stringify(subschema.pointer, std::cerr);
+    std::cerr << "\n";
+  }
+}
+
+} // namespace sourcemeta::jsontoolkit