diff --git a/apps/oxfmt/src/lsp/server_formatter.rs b/apps/oxfmt/src/lsp/server_formatter.rs
index 256ea1e683e9f..156a196011b86 100644
--- a/apps/oxfmt/src/lsp/server_formatter.rs
+++ b/apps/oxfmt/src/lsp/server_formatter.rs
@@ -257,15 +257,7 @@ impl Tool for ServerFormatter {
         content: Option<&str>,
     ) -> Result<Vec<TextEdit>, String> {
         let file_content;
-        let (result, source_text) = if uri.as_str().starts_with("untitled:") {
-            let source_text =
-                content.ok_or_else(|| "In-memory formatting requires content".to_string())?;
-
-            let Some(result) = self.format_in_memory(uri, source_text, language_id) else {
-                return Ok(vec![]); // currently not supported
-            };
-            (result, source_text)
-        } else {
+        let (result, source_text) = if uri.scheme().as_str() == "file" {
             let Some(path) = uri.to_file_path() else { return Err("Invalid file URI".to_string()) };
 
             let source_text = if let Some(c) = content {
@@ -280,6 +272,14 @@ impl Tool for ServerFormatter {
                 return Ok(vec![]); // No formatting for this file (unsupported or ignored)
             };
 
+            (result, source_text)
+        } else {
+            let source_text =
+                content.ok_or_else(|| "In-memory formatting requires content".to_string())?;
+
+            let Some(result) = self.format_in_memory(uri, source_text, language_id) else {
+                return Ok(vec![]); // currently not supported
+            };
             (result, source_text)
         };
 
diff --git a/apps/oxfmt/test/lsp/format/__snapshots__/format.test.ts.snap b/apps/oxfmt/test/lsp/format/__snapshots__/format.test.ts.snap
index f8657fdf3d25d..386b403e32ce0 100644
--- a/apps/oxfmt/test/lsp/format/__snapshots__/format.test.ts.snap
+++ b/apps/oxfmt/test/lsp/format/__snapshots__/format.test.ts.snap
@@ -277,21 +277,163 @@ const   x   =   1
 --------------------"
 `;
 
-exports[`LSP formatting > initializationOptions > should use custom config path from fmt.configPath 1`] = `
+exports[`LSP formatting > in-memory document > should format ccsettings file format/formatted.ts 1`] = `
 "--- FILE -----------
-custom_config_path/semicolons-as-needed.ts
+format/formatted.ts
 --- BEFORE ---------
-// semicolon is on character 8-9, which will be removed
-debugger;
+const x = 1;
 
 --- AFTER ----------
-// semicolon is on character 8-9, which will be removed
-debugger
+const x = 1;
+
+--------------------"
+`;
+
+exports[`LSP formatting > in-memory document > should format ccsettings file format/test.json 1`] = `
+"--- FILE -----------
+format/test.json
+--- BEFORE ---------
+{"name":"test","version":"1.0.0"}
+
+--- AFTER ----------
+{ "name": "test", "version": "1.0.0" }
+
+--------------------"
+`;
+
+exports[`LSP formatting > in-memory document > should format ccsettings file format/test.toml 1`] = `
+"--- FILE -----------
+format/test.toml
+--- BEFORE ---------
+[package]
+name="test"
+version="1.0.0"
+
+--- AFTER ----------
+[package]
+name = "test"
+version = "1.0.0"
+
+--------------------"
+`;
+
+exports[`LSP formatting > in-memory document > should format ccsettings file format/test.tsx 1`] = `
+"--- FILE -----------
+format/test.tsx
+--- BEFORE ---------
+const   App:   React.FC   =   ()   =>   <div>Hello</div>
+
+--- AFTER ----------
+const App: React.FC = () => <div>Hello</div>;
+
+--------------------"
+`;
+
+exports[`LSP formatting > in-memory document > should format ccsettings file format/test.txt 1`] = `
+"--- FILE -----------
+format/test.txt
+--- BEFORE ---------
+hello   world
+
+--- AFTER ----------
+hello   world
+
+--------------------"
+`;
+
+exports[`LSP formatting > in-memory document > should format ccsettings file format/test.vue 1`] = `
+"--- FILE -----------
+format/test.vue
+--- BEFORE ---------
+<script>const   x   =   1;</script>
+
+--- AFTER ----------
+<script>
+const x = 1;
+</script>
+
+--------------------"
+`;
+
+exports[`LSP formatting > in-memory document > should format untitled file format/formatted.ts 1`] = `
+"--- FILE -----------
+format/formatted.ts
+--- BEFORE ---------
+const x = 1;
+
+--- AFTER ----------
+const x = 1;
+
+--------------------"
+`;
+
+exports[`LSP formatting > in-memory document > should format untitled file format/test.json 1`] = `
+"--- FILE -----------
+format/test.json
+--- BEFORE ---------
+{"name":"test","version":"1.0.0"}
+
+--- AFTER ----------
+{ "name": "test", "version": "1.0.0" }
+
+--------------------"
+`;
+
+exports[`LSP formatting > in-memory document > should format untitled file format/test.toml 1`] = `
+"--- FILE -----------
+format/test.toml
+--- BEFORE ---------
+[package]
+name="test"
+version="1.0.0"
+
+--- AFTER ----------
+[package]
+name = "test"
+version = "1.0.0"
+
+--------------------"
+`;
+
+exports[`LSP formatting > in-memory document > should format untitled file format/test.tsx 1`] = `
+"--- FILE -----------
+format/test.tsx
+--- BEFORE ---------
+const   App:   React.FC   =   ()   =>   <div>Hello</div>
+
+--- AFTER ----------
+const App: React.FC = () => <div>Hello</div>;
+
+--------------------"
+`;
+
+exports[`LSP formatting > in-memory document > should format untitled file format/test.txt 1`] = `
+"--- FILE -----------
+format/test.txt
+--- BEFORE ---------
+hello   world
+
+--- AFTER ----------
+hello   world
 
 --------------------"
 `;
 
-exports[`LSP formatting > unsaved document > should format unsaved file format/formatted.ts 1`] = `
+exports[`LSP formatting > in-memory document > should format untitled file format/test.vue 1`] = `
+"--- FILE -----------
+format/test.vue
+--- BEFORE ---------
+<script>const   x   =   1;</script>
+
+--- AFTER ----------
+<script>
+const x = 1;
+</script>
+
+--------------------"
+`;
+
+exports[`LSP formatting > in-memory document > should format vscode-userdata file format/formatted.ts 1`] = `
 "--- FILE -----------
 format/formatted.ts
 --- BEFORE ---------
@@ -303,7 +445,7 @@ const x = 1;
 --------------------"
 `;
 
-exports[`LSP formatting > unsaved document > should format unsaved file format/test.json 1`] = `
+exports[`LSP formatting > in-memory document > should format vscode-userdata file format/test.json 1`] = `
 "--- FILE -----------
 format/test.json
 --- BEFORE ---------
@@ -315,7 +457,7 @@ format/test.json
 --------------------"
 `;
 
-exports[`LSP formatting > unsaved document > should format unsaved file format/test.toml 1`] = `
+exports[`LSP formatting > in-memory document > should format vscode-userdata file format/test.toml 1`] = `
 "--- FILE -----------
 format/test.toml
 --- BEFORE ---------
@@ -331,7 +473,7 @@ version = "1.0.0"
 --------------------"
 `;
 
-exports[`LSP formatting > unsaved document > should format unsaved file format/test.tsx 1`] = `
+exports[`LSP formatting > in-memory document > should format vscode-userdata file format/test.tsx 1`] = `
 "--- FILE -----------
 format/test.tsx
 --- BEFORE ---------
@@ -343,7 +485,7 @@ const App: React.FC = () => <div>Hello</div>;
 --------------------"
 `;
 
-exports[`LSP formatting > unsaved document > should format unsaved file format/test.txt 1`] = `
+exports[`LSP formatting > in-memory document > should format vscode-userdata file format/test.txt 1`] = `
 "--- FILE -----------
 format/test.txt
 --- BEFORE ---------
@@ -355,7 +497,7 @@ hello   world
 --------------------"
 `;
 
-exports[`LSP formatting > unsaved document > should format unsaved file format/test.vue 1`] = `
+exports[`LSP formatting > in-memory document > should format vscode-userdata file format/test.vue 1`] = `
 "--- FILE -----------
 format/test.vue
 --- BEFORE ---------
@@ -368,3 +510,17 @@ const x = 1;
 
 --------------------"
 `;
+
+exports[`LSP formatting > initializationOptions > should use custom config path from fmt.configPath 1`] = `
+"--- FILE -----------
+custom_config_path/semicolons-as-needed.ts
+--- BEFORE ---------
+// semicolon is on character 8-9, which will be removed
+debugger;
+
+--- AFTER ----------
+// semicolon is on character 8-9, which will be removed
+debugger
+
+--------------------"
+`;
diff --git a/apps/oxfmt/test/lsp/format/format.test.ts b/apps/oxfmt/test/lsp/format/format.test.ts
index a46d66fd23f21..bcd3eaf501cd5 100644
--- a/apps/oxfmt/test/lsp/format/format.test.ts
+++ b/apps/oxfmt/test/lsp/format/format.test.ts
@@ -65,7 +65,7 @@ describe("LSP formatting", () => {
     });
   });
 
-  describe("unsaved document", () => {
+  describe("in-memory document", () => {
     it.each([
       ["format/test.tsx", "typescriptreact"],
       ["format/test.json", "json"],
@@ -73,7 +73,7 @@ describe("LSP formatting", () => {
       ["format/test.toml", "toml"],
       ["format/formatted.ts", "typescript"],
       ["format/test.txt", "plaintext"],
-    ])("should format unsaved file %s", async (path, languageId) => {
+    ])("should format untitled file %s", async (path, languageId) => {
       expect(
         await formatFixtureContent(
           FIXTURES_DIR,
@@ -83,6 +83,37 @@ describe("LSP formatting", () => {
         ),
       ).toMatchSnapshot();
     });
+
+    it.each([
+      ["format/test.tsx", "typescriptreact"],
+      ["format/test.json", "json"],
+      ["format/test.vue", "vue"],
+      ["format/test.toml", "toml"],
+      ["format/formatted.ts", "typescript"],
+      ["format/test.txt", "plaintext"],
+    ])("should format vscode-userdata file %s", async (path, languageId) => {
+      expect(
+        await formatFixtureContent(
+          FIXTURES_DIR,
+          path,
+          "vscode-userdata://" + languageId,
+          languageId,
+        ),
+      ).toMatchSnapshot();
+    });
+
+    it.each([
+      ["format/test.tsx", "typescriptreact"],
+      ["format/test.json", "json"],
+      ["format/test.vue", "vue"],
+      ["format/test.toml", "toml"],
+      ["format/formatted.ts", "typescript"],
+      ["format/test.txt", "plaintext"],
+    ])("should format ccsettings file %s", async (path, languageId) => {
+      expect(
+        await formatFixtureContent(FIXTURES_DIR, path, "ccsettings://" + languageId, languageId),
+      ).toMatchSnapshot();
+    });
   });
 
   describe("ignore patterns", () => {