97 files changed, 55 insertions, 55 deletions
diff --git a/Cargo.toml b/Cargo.toml
index b5ffb58f5..47e278f82 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,14 +8,14 @@ members = [
   "serde_v8",
   "test_plugin",
   "test_util",
-  "op_crates/crypto",
-  "op_crates/fetch",
-  "op_crates/timers",
-  "op_crates/url",
-  "op_crates/web",
-  "op_crates/webgpu",
-  "op_crates/webidl",
-  "op_crates/websocket",
+  "extensions/crypto",
+  "extensions/fetch",
+  "extensions/timers",
+  "extensions/url",
+  "extensions/web",
+  "extensions/webgpu",
+  "extensions/webidl",
+  "extensions/websocket",
 ]
 exclude = [
   "std/hash/_wasm"
diff --git a/cli/dts/lib.deno.window.d.ts b/cli/dts/lib.deno.window.d.ts
index 3eebab677..b7eca1e24 100644
--- a/cli/dts/lib.deno.window.d.ts
+++ b/cli/dts/lib.deno.window.d.ts
@@ -62,7 +62,7 @@ declare function confirm(message?: string): boolean;
  */
 declare function prompt(message?: string, defaultValue?: string): string | null;
 
-// TODO(nayeemrmn): Move this to `op_crates/web` where its implementation is.
+// TODO(nayeemrmn): Move this to `extensions/web` where its implementation is.
 // The types there must first be split into window, worker and global types.
 /** The location (URL) of the object it is linked to. Changes done on it are
  * reflected on the object it relates to. Accessible via
@@ -130,6 +130,6 @@ declare class Location {
   replace(url: string): void;
 }
 
-// TODO(nayeemrmn): Move this to `op_crates/web` where its implementation is.
+// TODO(nayeemrmn): Move this to `extensions/web` where its implementation is.
 // The types there must first be split into window, worker and global types.
 declare var location: Location;
diff --git a/cli/dts/lib.deno.worker.d.ts b/cli/dts/lib.deno.worker.d.ts
index 653a8931b..1d1b08a5f 100644
--- a/cli/dts/lib.deno.worker.d.ts
+++ b/cli/dts/lib.deno.worker.d.ts
@@ -71,7 +71,7 @@ declare var close: () => void;
 declare var name: string;
 declare var postMessage: (message: any) => void;
 
-// TODO(nayeemrmn): Move this to `op_crates/web` where its implementation is.
+// TODO(nayeemrmn): Move this to `extensions/web` where its implementation is.
 // The types there must first be split into window, worker and global types.
 /** The absolute location of the script executed by the Worker. Such an object
  * is initialized for each worker and is available via the
@@ -90,6 +90,6 @@ declare class WorkerLocation {
   readonly search: string;
 }
 
-// TODO(nayeemrmn): Move this to `op_crates/web` where its implementation is.
+// TODO(nayeemrmn): Move this to `extensions/web` where its implementation is.
 // The types there must first be split into window, worker and global types.
 declare var location: WorkerLocation;
diff --git a/cli/tests/error_009_op_crates_error.js b/cli/tests/error_009_extensions_error.js
index 01b97ea38..01b97ea38 100644
--- a/cli/tests/error_009_op_crates_error.js
+++ b/cli/tests/error_009_extensions_error.js
diff --git a/cli/tests/error_009_op_crates_error.js.out b/cli/tests/error_009_extensions_error.js.out
index 229a0ff1f..96ffb2829 100644
--- a/cli/tests/error_009_op_crates_error.js.out
+++ b/cli/tests/error_009_extensions_error.js.out
@@ -2,5 +2,5 @@
 new Event();
 ^
     at [WILDCARD]
-    at new Event (deno:op_crates/web/[WILDCARD])
+    at new Event (deno:extensions/web/[WILDCARD])
     at [WILDCARD]
diff --git a/cli/tests/integration_tests.rs b/cli/tests/integration_tests.rs
index 9c56396b4..0b7b85ac8 100644
--- a/cli/tests/integration_tests.rs
+++ b/cli/tests/integration_tests.rs
@@ -3109,9 +3109,9 @@ console.log("finish");
     output: "error_008_checkjs.js.out",
   });
 
-  itest!(error_009_op_crates_error {
-    args: "run error_009_op_crates_error.js",
-    output: "error_009_op_crates_error.js.out",
+  itest!(error_009_extensions_error {
+    args: "run error_009_extensions_error.js",
+    output: "error_009_extensions_error.js.out",
     exit_code: 1,
   });
 
diff --git a/cli/tests/unit/metrics_test.ts b/cli/tests/unit/metrics_test.ts
index 25c63dbc1..a1936cb1d 100644
--- a/cli/tests/unit/metrics_test.ts
+++ b/cli/tests/unit/metrics_test.ts
@@ -70,7 +70,7 @@ unitTest(
   },
 );
 
-// Test that ops from op_crates have metrics (via OpMiddleware)
+// Test that ops from extensions have metrics (via OpMiddleware)
 unitTest(function metricsForOpCrates(): void {
   const _ = new URL("https://deno.land");
 
diff --git a/core/extensions.rs b/core/extensions.rs
index 134aab5d4..9ad2b3697 100644
--- a/core/extensions.rs
+++ b/core/extensions.rs
@@ -110,7 +110,7 @@ impl ExtensionBuilder {
 /// Example:
 /// ```ignore
 /// include_js_files!(
-///   prefix "deno:op_crates/hello",
+///   prefix "deno:extensions/hello",
 ///   "01_hello.js",
 ///   "02_goodbye.js",
 /// )
diff --git a/op_crates/console/01_colors.js b/extensions/console/01_colors.js
index 66dcb6e23..66dcb6e23 100644
--- a/op_crates/console/01_colors.js
+++ b/extensions/console/01_colors.js
diff --git a/op_crates/console/02_console.js b/extensions/console/02_console.js
index 2c0dcf434..d0392cefe 100644
--- a/op_crates/console/02_console.js
+++ b/extensions/console/02_console.js
@@ -905,8 +905,8 @@
     if (customInspect in value && typeof value[customInspect] === "function") {
       return String(value[customInspect]());
     }
-    // This non-unique symbol is used to support op_crates, ie.
-    // in op_crates/web we don't want to depend on unique "Deno.customInspect"
+    // This non-unique symbol is used to support extensions, ie.
+    // in extensions/web we don't want to depend on unique "Deno.customInspect"
     // symbol defined in the public API. Internal only, shouldn't be used
     // by users.
     const nonUniqueCustomInspect = Symbol.for("Deno.customInspect");
@@ -915,7 +915,7 @@
       typeof value[nonUniqueCustomInspect] === "function"
     ) {
       // TODO(nayeemrmn): `inspect` is passed as an argument because custom
-      // inspect implementations in `op_crates` need it, but may not have access
+      // inspect implementations in `extensions` need it, but may not have access
       // to the `Deno` namespace in web workers. Remove when the `Deno`
       // namespace is always enabled.
       return String(value[nonUniqueCustomInspect](inspect));
diff --git a/op_crates/console/Cargo.toml b/extensions/console/Cargo.toml
index a3964a1f4..a3964a1f4 100644
--- a/op_crates/console/Cargo.toml
+++ b/extensions/console/Cargo.toml
diff --git a/op_crates/console/README.md b/extensions/console/README.md
index 2f8fb448a..2f8fb448a 100644
--- a/op_crates/console/README.md
+++ b/extensions/console/README.md
diff --git a/op_crates/console/lib.deno_console.d.ts b/extensions/console/lib.deno_console.d.ts
index d6cb1e99b..d6cb1e99b 100644
--- a/op_crates/console/lib.deno_console.d.ts
+++ b/extensions/console/lib.deno_console.d.ts
diff --git a/op_crates/console/lib.rs b/extensions/console/lib.rs
index 4f64bb108..27870fce6 100644
--- a/op_crates/console/lib.rs
+++ b/extensions/console/lib.rs
@@ -7,7 +7,7 @@ use std::path::PathBuf;
 pub fn init() -> Extension {
   Extension::builder()
     .js(include_js_files!(
-      prefix "deno:op_crates/console",
+      prefix "deno:extensions/console",
       "01_colors.js",
       "02_console.js",
     ))
diff --git a/op_crates/crypto/01_crypto.js b/extensions/crypto/01_crypto.js
index dba6b0091..dba6b0091 100644
--- a/op_crates/crypto/01_crypto.js
+++ b/extensions/crypto/01_crypto.js
diff --git a/op_crates/crypto/Cargo.toml b/extensions/crypto/Cargo.toml
index 91f60aa9c..91f60aa9c 100644
--- a/op_crates/crypto/Cargo.toml
+++ b/extensions/crypto/Cargo.toml
diff --git a/op_crates/crypto/README.md b/extensions/crypto/README.md
index be0724458..be0724458 100644
--- a/op_crates/crypto/README.md
+++ b/extensions/crypto/README.md
diff --git a/op_crates/crypto/lib.deno_crypto.d.ts b/extensions/crypto/lib.deno_crypto.d.ts
index a00757e71..a00757e71 100644
--- a/op_crates/crypto/lib.deno_crypto.d.ts
+++ b/extensions/crypto/lib.deno_crypto.d.ts
diff --git a/op_crates/crypto/lib.rs b/extensions/crypto/lib.rs
index 543220548..45473f4d5 100644
--- a/op_crates/crypto/lib.rs
+++ b/extensions/crypto/lib.rs
@@ -18,7 +18,7 @@ pub use rand; // Re-export rand
 pub fn init(maybe_seed: Option<u64>) -> Extension {
   Extension::builder()
     .js(include_js_files!(
-      prefix "deno:op_crates/crypto",
+      prefix "deno:extensions/crypto",
       "01_crypto.js",
     ))
     .ops(vec![(
diff --git a/op_crates/fetch/01_fetch_util.js b/extensions/fetch/01_fetch_util.js
index ff76421a1..ff76421a1 100644
--- a/op_crates/fetch/01_fetch_util.js
+++ b/extensions/fetch/01_fetch_util.js
diff --git a/op_crates/fetch/11_streams.js b/extensions/fetch/11_streams.js
index 8bbf34898..8bbf34898 100644
--- a/op_crates/fetch/11_streams.js
+++ b/extensions/fetch/11_streams.js
diff --git a/op_crates/fetch/11_streams_types.d.ts b/extensions/fetch/11_streams_types.d.ts
index a4c54363f..a4c54363f 100644
--- a/op_crates/fetch/11_streams_types.d.ts
+++ b/extensions/fetch/11_streams_types.d.ts
diff --git a/op_crates/fetch/20_headers.js b/extensions/fetch/20_headers.js
index 94e1c4076..94e1c4076 100644
--- a/op_crates/fetch/20_headers.js
+++ b/extensions/fetch/20_headers.js
diff --git a/op_crates/fetch/21_formdata.js b/extensions/fetch/21_formdata.js
index c50cf4cf7..c50cf4cf7 100644
--- a/op_crates/fetch/21_formdata.js
+++ b/extensions/fetch/21_formdata.js
diff --git a/op_crates/fetch/22_body.js b/extensions/fetch/22_body.js
index 938e3023e..938e3023e 100644
--- a/op_crates/fetch/22_body.js
+++ b/extensions/fetch/22_body.js
diff --git a/op_crates/fetch/22_http_client.js b/extensions/fetch/22_http_client.js
index 770080cc9..770080cc9 100644
--- a/op_crates/fetch/22_http_client.js
+++ b/extensions/fetch/22_http_client.js
diff --git a/op_crates/fetch/23_request.js b/extensions/fetch/23_request.js
index 603a37a5f..603a37a5f 100644
--- a/op_crates/fetch/23_request.js
+++ b/extensions/fetch/23_request.js
diff --git a/op_crates/fetch/23_response.js b/extensions/fetch/23_response.js
index 6bd7a6487..6bd7a6487 100644
--- a/op_crates/fetch/23_response.js
+++ b/extensions/fetch/23_response.js
diff --git a/op_crates/fetch/26_fetch.js b/extensions/fetch/26_fetch.js
index cd86d6023..cd86d6023 100644
--- a/op_crates/fetch/26_fetch.js
+++ b/extensions/fetch/26_fetch.js
diff --git a/op_crates/fetch/Cargo.toml b/extensions/fetch/Cargo.toml
index d2ed10714..d2ed10714 100644
--- a/op_crates/fetch/Cargo.toml
+++ b/extensions/fetch/Cargo.toml
diff --git a/op_crates/fetch/README.md b/extensions/fetch/README.md
index 2c946197e..2c946197e 100644
--- a/op_crates/fetch/README.md
+++ b/extensions/fetch/README.md
diff --git a/op_crates/fetch/internal.d.ts b/extensions/fetch/internal.d.ts
index 86de52761..86de52761 100644
--- a/op_crates/fetch/internal.d.ts
+++ b/extensions/fetch/internal.d.ts
diff --git a/op_crates/fetch/lib.deno_fetch.d.ts b/extensions/fetch/lib.deno_fetch.d.ts
index af21d8c44..af21d8c44 100644
--- a/op_crates/fetch/lib.deno_fetch.d.ts
+++ b/extensions/fetch/lib.deno_fetch.d.ts
diff --git a/op_crates/fetch/lib.rs b/extensions/fetch/lib.rs
index 861fc6e54..36a5b5afd 100644
--- a/op_crates/fetch/lib.rs
+++ b/extensions/fetch/lib.rs
@@ -58,7 +58,7 @@ pub fn init<P: FetchPermissions + 'static>(
 ) -> Extension {
   Extension::builder()
     .js(include_js_files!(
-      prefix "deno:op_crates/fetch",
+      prefix "deno:extensions/fetch",
       "01_fetch_util.js",
       "11_streams.js",
       "20_headers.js",
diff --git a/op_crates/file/01_file.js b/extensions/file/01_file.js
index 05c410572..05c410572 100644
--- a/op_crates/file/01_file.js
+++ b/extensions/file/01_file.js
diff --git a/op_crates/file/02_filereader.js b/extensions/file/02_filereader.js
index 9575ab85a..9575ab85a 100644
--- a/op_crates/file/02_filereader.js
+++ b/extensions/file/02_filereader.js
diff --git a/op_crates/file/03_blob_url.js b/extensions/file/03_blob_url.js
index 2b5e16b55..2b5e16b55 100644
--- a/op_crates/file/03_blob_url.js
+++ b/extensions/file/03_blob_url.js
diff --git a/op_crates/file/Cargo.toml b/extensions/file/Cargo.toml
index 2338fab7c..2338fab7c 100644
--- a/op_crates/file/Cargo.toml
+++ b/extensions/file/Cargo.toml
diff --git a/op_crates/file/README.md b/extensions/file/README.md
index c421bf004..c421bf004 100644
--- a/op_crates/file/README.md
+++ b/extensions/file/README.md
diff --git a/op_crates/file/internal.d.ts b/extensions/file/internal.d.ts
index dd892e736..dd892e736 100644
--- a/op_crates/file/internal.d.ts
+++ b/extensions/file/internal.d.ts
diff --git a/op_crates/file/lib.deno_file.d.ts b/extensions/file/lib.deno_file.d.ts
index a907c3f50..a907c3f50 100644
--- a/op_crates/file/lib.deno_file.d.ts
+++ b/extensions/file/lib.deno_file.d.ts
diff --git a/op_crates/file/lib.rs b/extensions/file/lib.rs
index ccde34ada..78e3db814 100644
--- a/op_crates/file/lib.rs
+++ b/extensions/file/lib.rs
@@ -90,7 +90,7 @@ pub fn init(
 ) -> Extension {
   Extension::builder()
     .js(include_js_files!(
-      prefix "deno:op_crates/file",
+      prefix "deno:extensions/file",
       "01_file.js",
       "02_filereader.js",
       "03_blob_url.js",
diff --git a/op_crates/timers/01_timers.js b/extensions/timers/01_timers.js
index d6d6436fe..756e38875 100644
--- a/op_crates/timers/01_timers.js
+++ b/extensions/timers/01_timers.js
@@ -4,7 +4,7 @@
 ((window) => {
   const core = window.Deno.core;
 
-  // Shamelessly cribbed from op_crates/fetch/11_streams.js
+  // Shamelessly cribbed from extensions/fetch/11_streams.js
   class AssertionError extends Error {
     constructor(msg) {
       super(msg);
diff --git a/op_crates/timers/Cargo.toml b/extensions/timers/Cargo.toml
index ead1ae00c..ead1ae00c 100644
--- a/op_crates/timers/Cargo.toml
+++ b/extensions/timers/Cargo.toml
diff --git a/op_crates/timers/README.md b/extensions/timers/README.md
index 5a2a8e516..5a2a8e516 100644
--- a/op_crates/timers/README.md
+++ b/extensions/timers/README.md
diff --git a/op_crates/timers/lib.rs b/extensions/timers/lib.rs
index 62f5953fa..5a9b28bb6 100644
--- a/op_crates/timers/lib.rs
+++ b/extensions/timers/lib.rs
@@ -44,7 +44,7 @@ impl TimersPermission for NoTimersPermission {
 pub fn init<P: TimersPermission + 'static>() -> Extension {
   Extension::builder()
     .js(include_js_files!(
-      prefix "deno:op_crates/timers",
+      prefix "deno:extensions/timers",
       "01_timers.js",
     ))
     .ops(vec![
diff --git a/op_crates/url/00_url.js b/extensions/url/00_url.js
index 340937748..340937748 100644
--- a/op_crates/url/00_url.js
+++ b/extensions/url/00_url.js
diff --git a/op_crates/url/Cargo.toml b/extensions/url/Cargo.toml
index de7a3cb0a..de7a3cb0a 100644
--- a/op_crates/url/Cargo.toml
+++ b/extensions/url/Cargo.toml
diff --git a/op_crates/url/README.md b/extensions/url/README.md
index 991dd8b20..991dd8b20 100644
--- a/op_crates/url/README.md
+++ b/extensions/url/README.md
diff --git a/op_crates/url/benches/url_ops.rs b/extensions/url/benches/url_ops.rs
index 8b3cf2705..8b3cf2705 100644
--- a/op_crates/url/benches/url_ops.rs
+++ b/extensions/url/benches/url_ops.rs
diff --git a/op_crates/url/internal.d.ts b/extensions/url/internal.d.ts
index ec2c2688c..ec2c2688c 100644
--- a/op_crates/url/internal.d.ts
+++ b/extensions/url/internal.d.ts
diff --git a/op_crates/url/lib.deno_url.d.ts b/extensions/url/lib.deno_url.d.ts
index 3f9745352..3f9745352 100644
--- a/op_crates/url/lib.deno_url.d.ts
+++ b/extensions/url/lib.deno_url.d.ts
diff --git a/op_crates/url/lib.rs b/extensions/url/lib.rs
index 1d7a9b08b..a4a42cd0c 100644
--- a/op_crates/url/lib.rs
+++ b/extensions/url/lib.rs
@@ -19,7 +19,7 @@ use std::path::PathBuf;
 pub fn init() -> Extension {
   Extension::builder()
     .js(include_js_files!(
-      prefix "deno:op_crates/url",
+      prefix "deno:extensions/url",
       "00_url.js",
     ))
     .ops(vec![
diff --git a/op_crates/web/00_infra.js b/extensions/web/00_infra.js
index 05f68268f..05f68268f 100644
--- a/op_crates/web/00_infra.js
+++ b/extensions/web/00_infra.js
diff --git a/op_crates/web/01_dom_exception.js b/extensions/web/01_dom_exception.js
index f5bd3289b..f5bd3289b 100644
--- a/op_crates/web/01_dom_exception.js
+++ b/extensions/web/01_dom_exception.js
diff --git a/op_crates/web/01_mimesniff.js b/extensions/web/01_mimesniff.js
index b42dd1409..b42dd1409 100644
--- a/op_crates/web/01_mimesniff.js
+++ b/extensions/web/01_mimesniff.js
diff --git a/op_crates/web/02_event.js b/extensions/web/02_event.js
index 35112132e..35112132e 100644
--- a/op_crates/web/02_event.js
+++ b/extensions/web/02_event.js
diff --git a/op_crates/web/03_abort_signal.js b/extensions/web/03_abort_signal.js
index e2648e778..e2648e778 100644
--- a/op_crates/web/03_abort_signal.js
+++ b/extensions/web/03_abort_signal.js
diff --git a/op_crates/web/04_global_interfaces.js b/extensions/web/04_global_interfaces.js
index c3181fb66..c3181fb66 100644
--- a/op_crates/web/04_global_interfaces.js
+++ b/extensions/web/04_global_interfaces.js
diff --git a/op_crates/web/08_text_encoding.js b/extensions/web/08_text_encoding.js
index 7e7d4a573..7e7d4a573 100644
--- a/op_crates/web/08_text_encoding.js
+++ b/extensions/web/08_text_encoding.js
diff --git a/op_crates/web/12_location.js b/extensions/web/12_location.js
index 2b6580f8b..2b6580f8b 100644
--- a/op_crates/web/12_location.js
+++ b/extensions/web/12_location.js
diff --git a/op_crates/web/Cargo.toml b/extensions/web/Cargo.toml
index 5608fadbd..5608fadbd 100644
--- a/op_crates/web/Cargo.toml
+++ b/extensions/web/Cargo.toml
diff --git a/op_crates/web/README.md b/extensions/web/README.md
index 03c1b7f89..03c1b7f89 100644
--- a/op_crates/web/README.md
+++ b/extensions/web/README.md
diff --git a/op_crates/web/internal.d.ts b/extensions/web/internal.d.ts
index bfce3e1e1..bfce3e1e1 100644
--- a/op_crates/web/internal.d.ts
+++ b/extensions/web/internal.d.ts
diff --git a/op_crates/web/lib.deno_web.d.ts b/extensions/web/lib.deno_web.d.ts
index 0fce6ce6b..0fce6ce6b 100644
--- a/op_crates/web/lib.deno_web.d.ts
+++ b/extensions/web/lib.deno_web.d.ts
diff --git a/op_crates/web/lib.rs b/extensions/web/lib.rs
index a2612743e..0d2dbbd78 100644
--- a/op_crates/web/lib.rs
+++ b/extensions/web/lib.rs
@@ -8,7 +8,7 @@ use std::path::PathBuf;
 pub fn init() -> Extension {
   Extension::builder()
     .js(include_js_files!(
-      prefix "deno:op_crates/web",
+      prefix "deno:extensions/web",
       "00_infra.js",
       "01_dom_exception.js",
       "01_mimesniff.js",
diff --git a/op_crates/webgpu/01_webgpu.js b/extensions/webgpu/01_webgpu.js
index a02262ccd..a02262ccd 100644
--- a/op_crates/webgpu/01_webgpu.js
+++ b/extensions/webgpu/01_webgpu.js
diff --git a/op_crates/webgpu/02_idl_types.js b/extensions/webgpu/02_idl_types.js
index f990a40e8..f990a40e8 100644
--- a/op_crates/webgpu/02_idl_types.js
+++ b/extensions/webgpu/02_idl_types.js
diff --git a/op_crates/webgpu/Cargo.toml b/extensions/webgpu/Cargo.toml
index 148ddea6a..148ddea6a 100644
--- a/op_crates/webgpu/Cargo.toml
+++ b/extensions/webgpu/Cargo.toml
diff --git a/op_crates/webgpu/README.md b/extensions/webgpu/README.md
index 2f915dcbb..2f915dcbb 100644
--- a/op_crates/webgpu/README.md
+++ b/extensions/webgpu/README.md
diff --git a/op_crates/webgpu/binding.rs b/extensions/webgpu/binding.rs
index fd4e75784..fd4e75784 100644
--- a/op_crates/webgpu/binding.rs
+++ b/extensions/webgpu/binding.rs
diff --git a/op_crates/webgpu/buffer.rs b/extensions/webgpu/buffer.rs
index 19fc428cb..19fc428cb 100644
--- a/op_crates/webgpu/buffer.rs
+++ b/extensions/webgpu/buffer.rs
diff --git a/op_crates/webgpu/bundle.rs b/extensions/webgpu/bundle.rs
index d33563118..d33563118 100644
--- a/op_crates/webgpu/bundle.rs
+++ b/extensions/webgpu/bundle.rs
diff --git a/op_crates/webgpu/command_encoder.rs b/extensions/webgpu/command_encoder.rs
index 724ce72c4..724ce72c4 100644
--- a/op_crates/webgpu/command_encoder.rs
+++ b/extensions/webgpu/command_encoder.rs
diff --git a/op_crates/webgpu/compute_pass.rs b/extensions/webgpu/compute_pass.rs
index e8ec642e9..e8ec642e9 100644
--- a/op_crates/webgpu/compute_pass.rs
+++ b/extensions/webgpu/compute_pass.rs
diff --git a/op_crates/webgpu/error.rs b/extensions/webgpu/error.rs
index 57e2e675f..57e2e675f 100644
--- a/op_crates/webgpu/error.rs
+++ b/extensions/webgpu/error.rs
diff --git a/op_crates/webgpu/lib.deno_webgpu.d.ts b/extensions/webgpu/lib.deno_webgpu.d.ts
index bb5da20d6..bb5da20d6 100644
--- a/op_crates/webgpu/lib.deno_webgpu.d.ts
+++ b/extensions/webgpu/lib.deno_webgpu.d.ts
diff --git a/op_crates/webgpu/lib.rs b/extensions/webgpu/lib.rs
index b5b2905b2..906c4876e 100644
--- a/op_crates/webgpu/lib.rs
+++ b/extensions/webgpu/lib.rs
@@ -97,7 +97,7 @@ impl Resource for WebGpuQuerySet {
 pub fn init(unstable: bool) -> Extension {
   Extension::builder()
     .js(include_js_files!(
-      prefix "deno:op_crates/webgpu",
+      prefix "deno:extensions/webgpu",
       "01_webgpu.js",
       "02_idl_types.js",
     ))
diff --git a/op_crates/webgpu/pipeline.rs b/extensions/webgpu/pipeline.rs
index 8eb291b97..8eb291b97 100644
--- a/op_crates/webgpu/pipeline.rs
+++ b/extensions/webgpu/pipeline.rs
diff --git a/op_crates/webgpu/queue.rs b/extensions/webgpu/queue.rs
index 93fd95502..93fd95502 100644
--- a/op_crates/webgpu/queue.rs
+++ b/extensions/webgpu/queue.rs
diff --git a/op_crates/webgpu/render_pass.rs b/extensions/webgpu/render_pass.rs
index 236c55939..236c55939 100644
--- a/op_crates/webgpu/render_pass.rs
+++ b/extensions/webgpu/render_pass.rs
diff --git a/op_crates/webgpu/sampler.rs b/extensions/webgpu/sampler.rs
index 5e0ebc61e..5e0ebc61e 100644
--- a/op_crates/webgpu/sampler.rs
+++ b/extensions/webgpu/sampler.rs
diff --git a/op_crates/webgpu/shader.rs b/extensions/webgpu/shader.rs
index 0e653b470..0e653b470 100644
--- a/op_crates/webgpu/shader.rs
+++ b/extensions/webgpu/shader.rs
diff --git a/op_crates/webgpu/texture.rs b/extensions/webgpu/texture.rs
index 28b8ca1a4..28b8ca1a4 100644
--- a/op_crates/webgpu/texture.rs
+++ b/extensions/webgpu/texture.rs
diff --git a/op_crates/webgpu/webgpu.idl b/extensions/webgpu/webgpu.idl
index 598df7efb..598df7efb 100644
--- a/op_crates/webgpu/webgpu.idl
+++ b/extensions/webgpu/webgpu.idl
diff --git a/op_crates/webidl/00_webidl.js b/extensions/webidl/00_webidl.js
index 6bf98be06..6bf98be06 100644
--- a/op_crates/webidl/00_webidl.js
+++ b/extensions/webidl/00_webidl.js
diff --git a/op_crates/webidl/Cargo.toml b/extensions/webidl/Cargo.toml
index 90a3e2cb9..90a3e2cb9 100644
--- a/op_crates/webidl/Cargo.toml
+++ b/extensions/webidl/Cargo.toml
diff --git a/op_crates/webidl/README.md b/extensions/webidl/README.md
index ce2d661e3..ce2d661e3 100644
--- a/op_crates/webidl/README.md
+++ b/extensions/webidl/README.md
diff --git a/op_crates/webidl/internal.d.ts b/extensions/webidl/internal.d.ts
index ca72566a5..ca72566a5 100644
--- a/op_crates/webidl/internal.d.ts
+++ b/extensions/webidl/internal.d.ts
diff --git a/op_crates/webidl/lib.rs b/extensions/webidl/lib.rs
index c73c60bab..fa243c9f1 100644
--- a/op_crates/webidl/lib.rs
+++ b/extensions/webidl/lib.rs
@@ -7,7 +7,7 @@ use deno_core::Extension;
 pub fn init() -> Extension {
   Extension::builder()
     .js(include_js_files!(
-      prefix "deno:op_crates/webidl",
+      prefix "deno:extensions/webidl",
       "00_webidl.js",
     ))
     .build()
diff --git a/op_crates/websocket/01_websocket.js b/extensions/websocket/01_websocket.js
index c77af4566..c77af4566 100644
--- a/op_crates/websocket/01_websocket.js
+++ b/extensions/websocket/01_websocket.js
diff --git a/op_crates/websocket/Cargo.toml b/extensions/websocket/Cargo.toml
index 516401204..516401204 100644
--- a/op_crates/websocket/Cargo.toml
+++ b/extensions/websocket/Cargo.toml
diff --git a/op_crates/websocket/README.md b/extensions/websocket/README.md
index d6495f397..d6495f397 100644
--- a/op_crates/websocket/README.md
+++ b/extensions/websocket/README.md
diff --git a/op_crates/websocket/lib.deno_websocket.d.ts b/extensions/websocket/lib.deno_websocket.d.ts
index 31e5782a6..31e5782a6 100644
--- a/op_crates/websocket/lib.deno_websocket.d.ts
+++ b/extensions/websocket/lib.deno_websocket.d.ts
diff --git a/op_crates/websocket/lib.rs b/extensions/websocket/lib.rs
index acf823775..8dfa26c47 100644
--- a/op_crates/websocket/lib.rs
+++ b/extensions/websocket/lib.rs
@@ -339,7 +339,7 @@ pub fn init<P: WebSocketPermissions + 'static>(
 ) -> Extension {
   Extension::builder()
     .js(include_js_files!(
-      prefix "deno:op_crates/websocket",
+      prefix "deno:extensions/websocket",
       "01_websocket.js",
     ))
     .ops(vec![
diff --git a/runtime/Cargo.toml b/runtime/Cargo.toml
index 21294219b..8acd61f7e 100644
--- a/runtime/Cargo.toml
+++ b/runtime/Cargo.toml
@@ -18,34 +18,34 @@ name = "hello_runtime"
 path = "examples/hello_runtime.rs"
 
 [build-dependencies]
-deno_console = { path = "../op_crates/console", version = "0.5.0" }
+deno_console = { path = "../extensions/console", version = "0.5.0" }
 deno_core = { path = "../core", version = "0.86.0" }
-deno_crypto = { path = "../op_crates/crypto", version = "0.19.0" }
-deno_fetch = { path = "../op_crates/fetch", version = "0.27.0" }
-deno_file = { path = "../op_crates/file", version = "0.4.0" }
-deno_timers = { path = "../op_crates/timers", version = "0.3.0" }
-deno_url = { path = "../op_crates/url", version = "0.5.0" }
-deno_web = { path = "../op_crates/web", version = "0.35.0" }
-deno_webgpu = { path = "../op_crates/webgpu", version = "0.6.0" }
-deno_webidl = { path = "../op_crates/webidl", version = "0.5.0" }
-deno_websocket = { path = "../op_crates/websocket", version = "0.10.0" }
+deno_crypto = { path = "../extensions/crypto", version = "0.19.0" }
+deno_fetch = { path = "../extensions/fetch", version = "0.27.0" }
+deno_file = { path = "../extensions/file", version = "0.4.0" }
+deno_timers = { path = "../extensions/timers", version = "0.3.0" }
+deno_url = { path = "../extensions/url", version = "0.5.0" }
+deno_web = { path = "../extensions/web", version = "0.35.0" }
+deno_webgpu = { path = "../extensions/webgpu", version = "0.6.0" }
+deno_webidl = { path = "../extensions/webidl", version = "0.5.0" }
+deno_websocket = { path = "../extensions/websocket", version = "0.10.0" }
 
 [target.'cfg(windows)'.build-dependencies]
 winres = "0.1.11"
 winapi = "0.3.9"
 
 [dependencies]
-deno_console = { path = "../op_crates/console", version = "0.5.0" }
+deno_console = { path = "../extensions/console", version = "0.5.0" }
 deno_core = { path = "../core", version = "0.86.0" }
-deno_crypto = { path = "../op_crates/crypto", version = "0.19.0" }
-deno_fetch = { path = "../op_crates/fetch", version = "0.27.0" }
-deno_file = { path = "../op_crates/file", version = "0.4.0" }
-deno_timers = { path = "../op_crates/timers", version = "0.3.0" }
-deno_url = { path = "../op_crates/url", version = "0.5.0" }
-deno_web = { path = "../op_crates/web", version = "0.35.0" }
-deno_webgpu = { path = "../op_crates/webgpu", version = "0.6.0" }
-deno_webidl = { path = "../op_crates/webidl", version = "0.5.0" }
-deno_websocket = { path = "../op_crates/websocket", version = "0.10.0" }
+deno_crypto = { path = "../extensions/crypto", version = "0.19.0" }
+deno_fetch = { path = "../extensions/fetch", version = "0.27.0" }
+deno_file = { path = "../extensions/file", version = "0.4.0" }
+deno_timers = { path = "../extensions/timers", version = "0.3.0" }
+deno_url = { path = "../extensions/url", version = "0.5.0" }
+deno_web = { path = "../extensions/web", version = "0.35.0" }
+deno_webgpu = { path = "../extensions/webgpu", version = "0.6.0" }
+deno_webidl = { path = "../extensions/webidl", version = "0.5.0" }
+deno_websocket = { path = "../extensions/websocket", version = "0.10.0" }
 
 atty = "0.2.14"
 bytes = "1"
diff --git a/tools/cut_a_release.md b/tools/cut_a_release.md
index 365ed2402..ec5853819 100644
--- a/tools/cut_a_release.md
+++ b/tools/cut_a_release.md
@@ -4,7 +4,7 @@
 release from) should be frozen and no commits should land until the release is
 cut.**
 
-1. Create a PR that bumps versions of all crates in `op_crates` and `runtime`
+1. Create a PR that bumps versions of all crates in `extensions` and `runtime`
    directories.
 
 To determine if you should bump a crate a minor version instead of a patch
@@ -32,9 +32,9 @@ between the crates, it must be done in specific order:
 
 - `deno_core` - all crates depend on `deno_core` so it must always be published
   first
-- crates in `op_crates/` directory - there is no specific order required for
+- crates in `extensions/` directory - there is no specific order required for
   those
-- `runtime` - this crate depends on `deno_core` and all crates in `op_crates/`
+- `runtime` - this crate depends on `deno_core` and all crates in `extensions/`
   directory
 
 If there are any problems when you publish, that require you to change the code,