diff --git a/src/main/files/index.js b/src/main/files/index.js
index 3871eff..3896992 100644
--- a/src/main/files/index.js
+++ b/src/main/files/index.js
@@ -5,6 +5,7 @@ const fs = require('fs');
 const path = require('path');
 const { register: registerGit } = require('./git');
 const { register: registerBinary } = require('./binary');
+const { searchInFiles } = require('./search-in-files');
 
 function register({
   validatePath,
@@ -131,6 +132,11 @@ function register({
     return { source: sourceValidation.resolved, destination: destinationValidation.resolved };
   });
 
+  // search-in-files
+  ipcMain.handle('search-in-files', async (_event, payload) => {
+    return searchInFiles(payload || {});
+  });
+
   // open-file-path
   ipcMain.on('open-file-path', (event, filePath) => {
     try {
diff --git a/src/main/files/list-directory.js b/src/main/files/list-directory.js
index cc4e41c..f78ae3b 100644
--- a/src/main/files/list-directory.js
+++ b/src/main/files/list-directory.js
@@ -30,7 +30,7 @@ function listDirectoryEntries(dirPath) {
       name: d.name,
       isDirectory: d.isDirectory(),
       size,
-      modified,
+      modifiedAt: modified,
       path: full,
     });
   }
diff --git a/src/main/files/search-in-files.js b/src/main/files/search-in-files.js
new file mode 100644
index 0000000..f95150d
--- /dev/null
+++ b/src/main/files/search-in-files.js
@@ -0,0 +1,89 @@
+'use strict';
+
+const fs = require('fs');
+const path = require('path');
+
+const MAX_RESULTS = 1000;
+const MAX_FILE_BYTES = 2 * 1024 * 1024;
+const SKIP_DIRS = new Set(['node_modules', '.git', 'dist', '.next', '.cache']);
+
+function listFiles(rootPath) {
+  const out = [];
+  const stack = [rootPath];
+  while (stack.length) {
+    const dir = stack.pop();
+    let entries;
+    try {
+      entries = fs.readdirSync(dir, { withFileTypes: true });
+    } catch (_) {
+      continue;
+    }
+    for (const e of entries) {
+      if (e.name.startsWith('.')) continue;
+      const full = path.join(dir, e.name);
+      if (e.isDirectory()) {
+        if (SKIP_DIRS.has(e.name)) continue;
+        stack.push(full);
+      } else if (e.isFile()) {
+        out.push(full);
+      }
+    }
+  }
+  return out;
+}
+
+function makeMatcher(query, isRegex, caseSensitive) {
+  if (isRegex) {
+    try {
+      const re = new RegExp(query, caseSensitive ? '' : 'i');
+      return (line) => re.test(line);
+    } catch (_err) {
+      return null;
+    }
+  }
+  const needle = caseSensitive ? query : query.toLowerCase();
+  return (line) => (caseSensitive ? line : line.toLowerCase()).includes(needle);
+}
+
+/**
+ * Recursively search `rootPath` for files containing `query`.
+ * Returns up to MAX_RESULTS matches of the form
+ *   { filePath, line, content }.
+ *
+ * Skips binary files (> MAX_FILE_BYTES) and noisy directories
+ * (node_modules, .git, dist, .next, .cache) to keep latency low.
+ */
+function searchInFiles({ rootPath, query, isRegex = false, caseSensitive = false }) {
+  if (!rootPath || !query) return [];
+  const matcher = makeMatcher(query, isRegex, caseSensitive);
+  if (!matcher) return [];
+
+  const results = [];
+  for (const filePath of listFiles(rootPath)) {
+    if (results.length >= MAX_RESULTS) break;
+    let stat;
+    try {
+      stat = fs.statSync(filePath);
+    } catch (_) {
+      continue;
+    }
+    if (!stat.isFile() || stat.size > MAX_FILE_BYTES) continue;
+
+    let content;
+    try {
+      content = fs.readFileSync(filePath, 'utf-8');
+    } catch (_) {
+      continue;
+    }
+    const lines = content.split(/\r?\n/);
+    for (let i = 0; i < lines.length; i++) {
+      if (matcher(lines[i])) {
+        results.push({ filePath, line: i + 1, content: lines[i] });
+        if (results.length >= MAX_RESULTS) break;
+      }
+    }
+  }
+  return results;
+}
+
+module.exports = { searchInFiles };
diff --git a/src/preload.js b/src/preload.js
index 9606ec1..737f3f9 100644
--- a/src/preload.js
+++ b/src/preload.js
@@ -108,6 +108,7 @@ const ALLOWED_SEND_CHANNELS = [
   'move-path',
   'pick-folder',
   'pick-file',
+  'search-in-files',
 
   // Git
   'git-status',
@@ -372,6 +373,7 @@ contextBridge.exposeInMainWorld('electronAPI', {
     list: (dirPath) => ipcRenderer.invoke('list-directory', dirPath),
     pickFolder: () => ipcRenderer.invoke('pick-folder'),
     pickFile: () => ipcRenderer.invoke('pick-file'),
+    search: (args) => ipcRenderer.invoke('search-in-files', args),
   },
 
   // Theme Operations
diff --git a/src/renderer/components/modals/CrashReportModal.tsx b/src/renderer/components/modals/CrashReportModal.tsx
index 1a02106..1c672c6 100644
--- a/src/renderer/components/modals/CrashReportModal.tsx
+++ b/src/renderer/components/modals/CrashReportModal.tsx
@@ -11,7 +11,14 @@ interface Dump {
 export function CrashReportModal({ onClose }: { onClose: () => void }) {
   const [dumps, setDumps] = useState<Dump[]>([]);
 
-  const refresh = async () => setDumps(await ipc.crash.read());
+  const refresh = async () => {
+    const result = await ipc.crash.read();
+    if (!result.ok) {
+      setDumps([]);
+      return;
+    }
+    setDumps(Array.isArray(result.data) ? (result.data as Dump[]) : []);
+  };
   useEffect(() => {
     refresh();
   }, []);
diff --git a/src/renderer/lib/ipc.ts b/src/renderer/lib/ipc.ts
index 76a1cc7..e45a707 100644
--- a/src/renderer/lib/ipc.ts
+++ b/src/renderer/lib/ipc.ts
@@ -58,7 +58,8 @@ function safeCall<T extends (...args: any[]) => Promise<any>>(
 
 export const ipc = {
   file: {
-    open: (): Promise<IpcResult<FileResult | ChannelMissing>> => safeCall('file', 'pickFile'),
+    // NOTE: file.open was previously miswired to pickFile — removed.
+    // Callers needing a file picker should use ipc.file.pickFile() directly.
     read: (path: string): Promise<IpcResult<string | ChannelMissing>> =>
       safeCall('file', 'read', path),
     write: (path: string, content: string): Promise<IpcResult<void | ChannelMissing>> =>
@@ -82,7 +83,7 @@ export const ipc = {
       caseSensitive: boolean;
     }): Promise<
       IpcResult<Array<{ filePath: string; line: number; content: string }> | ChannelMissing>
-    > => safeCall('file', 'pickFile'),
+    > => safeCall('file', 'search', args),
     gitStatus: (args: {
       rootPath: string;
     }): Promise<
diff --git a/src/renderer/types/electron.d.ts b/src/renderer/types/electron.d.ts
index cdeacf0..dcaf8aa 100644
--- a/src/renderer/types/electron.d.ts
+++ b/src/renderer/types/electron.d.ts
@@ -25,6 +25,12 @@ export interface ElectronAPI {
     list: (dirPath: string) => Promise<unknown>;
     pickFolder: () => Promise<string | null>;
     pickFile: () => Promise<string | null>;
+    search: (args: {
+      rootPath: string;
+      query: string;
+      isRegex: boolean;
+      caseSensitive: boolean;
+    }) => Promise<Array<{ filePath: string; line: number; content: string }>>;
   };
 
   theme: {
diff --git a/src/renderer/types/ipc.ts b/src/renderer/types/ipc.ts
index c8b6025..f406bb9 100644
--- a/src/renderer/types/ipc.ts
+++ b/src/renderer/types/ipc.ts
@@ -7,7 +7,7 @@ export interface FileEntry {
   path: string;
   isDirectory: boolean;
   size?: number;
-  modifiedAt?: string;
+  modifiedAt?: number;
 }
 
 export interface FileResult {
diff --git a/tests/component/modals/CrashReportModal.test.tsx b/tests/component/modals/CrashReportModal.test.tsx
index 688d57e..6a9f936 100644
--- a/tests/component/modals/CrashReportModal.test.tsx
+++ b/tests/component/modals/CrashReportModal.test.tsx
@@ -9,35 +9,57 @@ vi.mock('@/lib/ipc', () => ({
   },
 }));
 
+/**
+ * The crash:read IPC handler returns a plain array; ipc.crash.read wraps it
+ * in { ok: true, data }. The component must unwrap .data before rendering
+ * — otherwise dumps.length is undefined and dumps.map blows up.
+ */
+function wrap(data: unknown) {
+  return { ok: true, data };
+}
+
 describe('CrashReportModal', () => {
   test('shows empty state when no crashes', async () => {
-    (ipc.crash.read as any).mockResolvedValue([]);
+    (ipc.crash.read as any).mockResolvedValue(wrap([]));
+    render(<CrashReportModal onClose={() => {}} />);
+    expect(await screen.findByText(/no crashes/i)).toBeInTheDocument();
+  });
+
+  test('shows empty state when ipc returns ok:false', async () => {
+    (ipc.crash.read as any).mockResolvedValue({
+      ok: false,
+      error: { code: 'NO_BRIDGE', message: 'no electronAPI' },
+    });
     render(<CrashReportModal onClose={() => {}} />);
     expect(await screen.findByText(/no crashes/i)).toBeInTheDocument();
   });
 
   test('lists crashes returned by ipc', async () => {
-    (ipc.crash.read as any).mockResolvedValue([
-      {
-        filename: '1700000000000-1-uncaughtException.json',
-        kind: 'uncaughtException',
-        message: 'boom',
-        timestamp: '2026-01-01T00:00:00.000Z',
-      },
-    ]);
+    (ipc.crash.read as any).mockResolvedValue(
+      wrap([
+        {
+          filename: '1700000000000-1-uncaughtException.json',
+          kind: 'uncaughtException',
+          message: 'boom',
+          timestamp: '2026-01-01T00:00:00.000Z',
+        },
+      ])
+    );
     render(<CrashReportModal onClose={() => {}} />);
     expect(await screen.findByText(/boom/)).toBeInTheDocument();
   });
 
   test('delete button calls ipc.crash.delete', async () => {
-    (ipc.crash.read as any).mockResolvedValue([
-      {
-        filename: '1700000000000-1-uncaughtException.json',
-        kind: 'uncaughtException',
-        message: 'boom',
-        timestamp: '2026-01-01T00:00:00.000Z',
-      },
-    ]);
+    (ipc.crash.read as any).mockResolvedValue(
+      wrap([
+        {
+          filename: '1700000000000-1-uncaughtException.json',
+          kind: 'uncaughtException',
+          message: 'boom',
+          timestamp: '2026-01-01T00:00:00.000Z',
+        },
+      ])
+    );
     render(<CrashReportModal onClose={() => {}} />);
     const btn = await screen.findByText(/delete/i);
     fireEvent.click(btn);
@@ -47,7 +69,7 @@ describe('CrashReportModal', () => {
   });
 
   test('open folder button calls ipc.crash.openDir', async () => {
-    (ipc.crash.read as any).mockResolvedValue([]);
+    (ipc.crash.read as any).mockResolvedValue(wrap([]));
     render(<CrashReportModal onClose={() => {}} />);
     fireEvent.click(await screen.findByText(/open dump folder/i));
     expect(ipc.crash.openDir).toHaveBeenCalled();
diff --git a/tests/unit/main/files/search-in-files.test.js b/tests/unit/main/files/search-in-files.test.js
new file mode 100644
index 0000000..89064c7
--- /dev/null
+++ b/tests/unit/main/files/search-in-files.test.js
@@ -0,0 +1,87 @@
+const fs = require('fs');
+const path = require('path');
+const os = require('os');
+
+const { searchInFiles } = require('../../../../src/main/files/search-in-files');
+
+describe('searchInFiles', () => {
+  let tmpDir;
+
+  beforeEach(() => {
+    tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), 'search-in-files-'));
+  });
+  afterEach(() => {
+    fs.rmSync(tmpDir, { recursive: true, force: true });
+  });
+
+  test('returns empty array when rootPath or query missing', () => {
+    expect(searchInFiles({ rootPath: '', query: 'x' })).toEqual([]);
+    expect(searchInFiles({ rootPath: tmpDir, query: '' })).toEqual([]);
+  });
+
+  test('finds a literal substring in a single file', () => {
+    const f = path.join(tmpDir, 'a.md');
+    fs.writeFileSync(f, 'hello world\nsecond line\nhello again');
+    const out = searchInFiles({ rootPath: tmpDir, query: 'hello' });
+    expect(out).toEqual([
+      { filePath: f, line: 1, content: 'hello world' },
+      { filePath: f, line: 3, content: 'hello again' },
+    ]);
+  });
+
+  test('respects caseSensitive flag (default false)', () => {
+    const f = path.join(tmpDir, 'a.md');
+    fs.writeFileSync(f, 'Foo bar\nfoo BAR');
+    expect(searchInFiles({ rootPath: tmpDir, query: 'foo' }).length).toBe(2);
+    expect(searchInFiles({ rootPath: tmpDir, query: 'foo', caseSensitive: true }).length).toBe(1);
+  });
+
+  test('supports regex when isRegex is true', () => {
+    const f = path.join(tmpDir, 'a.md');
+    fs.writeFileSync(f, 'foo123\nbar\nbaz456');
+    const out = searchInFiles({ rootPath: tmpDir, query: '\\w+\\d+', isRegex: true });
+    expect(out.map((r) => r.content)).toEqual(['foo123', 'baz456']);
+  });
+
+  test('invalid regex returns empty array (does not throw)', () => {
+    expect(searchInFiles({ rootPath: tmpDir, query: '[unclosed', isRegex: true })).toEqual([]);
+  });
+
+  test('skips node_modules, .git, dist directories', () => {
+    const skip = path.join(tmpDir, 'node_modules');
+    fs.mkdirSync(skip);
+    fs.writeFileSync(path.join(skip, 'a.md'), 'match me');
+    const keep = path.join(tmpDir, 'src');
+    fs.mkdirSync(keep);
+    fs.writeFileSync(path.join(keep, 'b.md'), 'match me');
+    const out = searchInFiles({ rootPath: tmpDir, query: 'match' });
+    expect(out.length).toBe(1);
+    expect(out[0].filePath).toContain('src/b.md');
+  });
+
+  test('skips files larger than 2MB', () => {
+    const big = path.join(tmpDir, 'big.md');
+    fs.writeFileSync(big, 'a'.repeat(3 * 1024 * 1024));
+    expect(searchInFiles({ rootPath: tmpDir, query: 'a' })).toEqual([]);
+  });
+
+  test('recurses into subdirectories', () => {
+    const sub = path.join(tmpDir, 'a', 'b', 'c');
+    fs.mkdirSync(sub, { recursive: true });
+    const f = path.join(sub, 'deep.md');
+    fs.writeFileSync(f, 'needle here');
+    const out = searchInFiles({ rootPath: tmpDir, query: 'needle' });
+    expect(out.length).toBe(1);
+    expect(out[0].filePath).toBe(f);
+    expect(out[0].line).toBe(1);
+  });
+
+  test('caps results at 1000', () => {
+    const f = path.join(tmpDir, 'many.md');
+    const lines = [];
+    for (let i = 0; i < 1500; i++) lines.push('match line');
+    fs.writeFileSync(f, lines.join('\n'));
+    const out = searchInFiles({ rootPath: tmpDir, query: 'match' });
+    expect(out.length).toBe(1000);
+  });
+});