diff --git a/packages/node/src/integrations/anr/common.ts b/packages/node/src/integrations/anr/common.ts
index 38583dfacaaf..b548fa6bf5c1 100644
--- a/packages/node/src/integrations/anr/common.ts
+++ b/packages/node/src/integrations/anr/common.ts
@@ -1,4 +1,4 @@
-import type { Contexts, DsnComponents, SdkMetadata } from '@sentry/types';
+import type { Contexts, DsnComponents, Primitive, SdkMetadata } from '@sentry/types';
 
 export interface Options {
   /**
@@ -21,6 +21,16 @@ export interface Options {
    * This uses the node debugger which enables the inspector API and opens the required ports.
    */
   captureStackTrace: boolean;
+  /**
+   * Tags to include with ANR events.
+   */
+  staticTags: { [key: string]: Primitive };
+  /**
+   * @ignore Internal use only.
+   *
+   * If this is supplied, stack frame filenames will be rewritten to be relative to this path.
+   */
+  appRootPath: string | undefined;
 }
 
 export interface WorkerStartData extends Options {
diff --git a/packages/node/src/integrations/anr/index.ts b/packages/node/src/integrations/anr/index.ts
index 47bc13a34ecd..d8ddfe48a98f 100644
--- a/packages/node/src/integrations/anr/index.ts
+++ b/packages/node/src/integrations/anr/index.ts
@@ -101,9 +101,11 @@ async function _startWorker(client: NodeClient, _options: Partial<Options>): Pro
     release: initOptions.release,
     dist: initOptions.dist,
     sdkMetadata,
+    appRootPath: _options.appRootPath,
     pollInterval: _options.pollInterval || DEFAULT_INTERVAL,
     anrThreshold: _options.anrThreshold || DEFAULT_HANG_THRESHOLD,
     captureStackTrace: !!_options.captureStackTrace,
+    staticTags: _options.staticTags || {},
     contexts,
   };
 
diff --git a/packages/node/src/integrations/anr/worker.ts b/packages/node/src/integrations/anr/worker.ts
index 142fe0d608e7..e2292ce0aff0 100644
--- a/packages/node/src/integrations/anr/worker.ts
+++ b/packages/node/src/integrations/anr/worker.ts
@@ -6,7 +6,7 @@ import {
   updateSession,
 } from '@sentry/core';
 import type { Event, Session, StackFrame, TraceContext } from '@sentry/types';
-import { callFrameToStackFrame, stripSentryFramesAndReverse, watchdogTimer } from '@sentry/utils';
+import { callFrameToStackFrame, normalizeUrlToBase, stripSentryFramesAndReverse, watchdogTimer } from '@sentry/utils';
 import { Session as InspectorSession } from 'inspector';
 import { parentPort, workerData } from 'worker_threads';
 import { makeNodeTransport } from '../../transports';
@@ -56,6 +56,28 @@ async function sendAbnormalSession(): Promise<void> {
 
 log('Started');
 
+function prepareStackFrames(stackFrames: StackFrame[] | undefined): StackFrame[] | undefined {
+  if (!stackFrames) {
+    return undefined;
+  }
+
+  // Strip Sentry frames and reverse the stack frames so they are in the correct order
+  const strippedFrames = stripSentryFramesAndReverse(stackFrames);
+
+  // If we have an app root path, rewrite the filenames to be relative to the app root
+  if (options.appRootPath) {
+    for (const frame of strippedFrames) {
+      if (!frame.filename) {
+        continue;
+      }
+
+      frame.filename = normalizeUrlToBase(frame.filename, options.appRootPath);
+    }
+  }
+
+  return strippedFrames;
+}
+
 async function sendAnrEvent(frames?: StackFrame[], traceContext?: TraceContext): Promise<void> {
   if (hasSentAnrEvent) {
     return;
@@ -68,7 +90,6 @@ async function sendAnrEvent(frames?: StackFrame[], traceContext?: TraceContext):
   log('Sending event');
 
   const event: Event = {
-    sdk: options.sdkMetadata.sdk,
     contexts: { ...options.contexts, trace: traceContext },
     release: options.release,
     environment: options.environment,
@@ -80,13 +101,13 @@ async function sendAnrEvent(frames?: StackFrame[], traceContext?: TraceContext):
         {
           type: 'ApplicationNotResponding',
           value: `Application Not Responding for at least ${options.anrThreshold} ms`,
-          stacktrace: { frames },
+          stacktrace: { frames: prepareStackFrames(frames) },
           // This ensures the UI doesn't say 'Crashed in' for the stack trace
           mechanism: { type: 'ANR' },
         },
       ],
     },
-    tags: { 'process.name': 'ANR' },
+    tags: options.staticTags,
   };
 
   log(JSON.stringify(event));
@@ -130,8 +151,8 @@ if (options.captureStackTrace) {
       // copy the frames
       const callFrames = [...event.params.callFrames];
 
-      const stackFrames = stripSentryFramesAndReverse(
-        callFrames.map(frame => callFrameToStackFrame(frame, scripts.get(frame.location.scriptId), () => undefined)),
+      const stackFrames = callFrames.map(frame =>
+        callFrameToStackFrame(frame, scripts.get(frame.location.scriptId), () => undefined),
       );
 
       // Evaluate a script in the currently paused context
diff --git a/packages/utils/src/normalize.ts b/packages/utils/src/normalize.ts
index 5445cc33ba58..18820ecdc989 100644
--- a/packages/utils/src/normalize.ts
+++ b/packages/utils/src/normalize.ts
@@ -277,3 +277,33 @@ function utf8Length(value: string): number {
 function jsonSize(value: any): number {
   return utf8Length(JSON.stringify(value));
 }
+
+/**
+ * Normalizes URLs in exceptions and stacktraces to a base path so Sentry can fingerprint
+ * across platforms and working directory.
+ *
+ * @param url The URL to be normalized.
+ * @param basePath The application base path.
+ * @returns The normalized URL.
+ */
+export function normalizeUrlToBase(url: string, basePath: string): string {
+  const escapedBase = basePath
+    // Backslash to forward
+    .replace(/\\/g, '/')
+    // Escape RegExp special characters
+    .replace(/[|\\{}()[\]^$+*?.]/g, '\\$&');
+
+  let newUrl = url;
+  try {
+    newUrl = decodeURI(url);
+  } catch (_Oo) {
+    // Sometime this breaks
+  }
+  return (
+    newUrl
+      .replace(/\\/g, '/')
+      .replace(/webpack:\/?/g, '') // Remove intermediate base path
+      // eslint-disable-next-line @sentry-internal/sdk/no-regexp-constructor
+      .replace(new RegExp(`(file://)?/*${escapedBase}/*`, 'ig'), 'app:///')
+  );
+}
diff --git a/packages/utils/test/normalize-url.test.ts b/packages/utils/test/normalize-url.test.ts
new file mode 100644
index 000000000000..5df2bb5d6e35
--- /dev/null
+++ b/packages/utils/test/normalize-url.test.ts
@@ -0,0 +1,64 @@
+import { normalizeUrlToBase } from '../src/normalize';
+
+describe('normalizeUrlToBase()', () => {
+  it('Example app on Windows', () => {
+    const base = 'c:/Users/Username/sentry-electron/example';
+
+    expect(normalizeUrlToBase('C:\\Users\\Username\\sentry-electron\\example\\renderer.js', base)).toEqual(
+      'app:///renderer.js',
+    );
+
+    expect(
+      normalizeUrlToBase('C:\\Users\\Username\\sentry-electron\\example\\sub-directory\\renderer.js', base),
+    ).toEqual('app:///sub-directory/renderer.js');
+
+    expect(normalizeUrlToBase('file:///C:/Users/Username/sentry-electron/example/index.html', base)).toEqual(
+      'app:///index.html',
+    );
+  });
+
+  it('Example app with parentheses', () => {
+    const base = 'c:/Users/Username/sentry-electron (beta)/example';
+
+    expect(normalizeUrlToBase('C:\\Users\\Username\\sentry-electron%20(beta)\\example\\renderer.js', base)).toEqual(
+      'app:///renderer.js',
+    );
+
+    expect(
+      normalizeUrlToBase('C:\\Users\\Username\\sentry-electron%20(beta)\\example\\sub-directory\\renderer.js', base),
+    ).toEqual('app:///sub-directory/renderer.js');
+
+    expect(normalizeUrlToBase('file:///C:/Users/Username/sentry-electron%20(beta)/example/index.html', base)).toEqual(
+      'app:///index.html',
+    );
+  });
+
+  it('Asar packaged app in Windows Program Files', () => {
+    const base = 'C:/Program Files/My App/resources/app.asar';
+
+    expect(normalizeUrlToBase('/C:/Program%20Files/My%20App/resources/app.asar/dist/bundle-app.js', base)).toEqual(
+      'app:///dist/bundle-app.js',
+    );
+
+    expect(normalizeUrlToBase('file:///C:/Program%20Files/My%20App/resources/app.asar/index.html', base)).toEqual(
+      'app:///index.html',
+    );
+
+    expect(normalizeUrlToBase('file:///C:/Program%20Files/My%20App/resources/app.asar/a/index.html', base)).toEqual(
+      'app:///a/index.html',
+    );
+  });
+
+  it('Webpack builds', () => {
+    const base = '/home/haza/Desktop/foo/app/';
+    expect(
+      normalizeUrlToBase('/home/haza/Desktop/foo/app/webpack:/electron/src/common/models/ipc-request.ts', base),
+    ).toEqual('app:///electron/src/common/models/ipc-request.ts');
+  });
+
+  it('Only modifies file URLS', () => {
+    const base = 'c:/Users/Username/sentry-electron/example';
+    expect(normalizeUrlToBase('https://some.host/index.html', base)).toEqual('https://some.host/index.html');
+    expect(normalizeUrlToBase('http://localhost:43288/index.html', base)).toEqual('http://localhost:43288/index.html');
+  });
+});