diff --git a/packages/insomnia/src/common/har.ts b/packages/insomnia/src/common/har.ts
index 5324a7fec9..1e7bc0292e 100644
--- a/packages/insomnia/src/common/har.ts
+++ b/packages/insomnia/src/common/har.ts
@@ -1,7 +1,6 @@
 import type * as Har from 'har-format';
-import { Cookie as ToughCookie } from 'tough-cookie';
 
-import type { BaseModel, Environment, Request, RequestGroup, Response, Workspace } from '~/insomnia-data';
+import type { BaseModel, Cookie, Environment, Request, RequestGroup, Response, Workspace } from '~/insomnia-data';
 import { models, services } from '~/insomnia-data';
 import { applyRequestHooks } from '~/network/network-adapter';
 
@@ -10,7 +9,6 @@ import type { RenderedRequest } from '../templating/types';
 import { parseGraphQLReqeustBody } from '../utils/graph-ql';
 import { smartEncodeUrl } from '../utils/url/querystring';
 import { getAppVersion } from './constants';
-import { jarFromCookies } from './cookies';
 import { database } from './database';
 import { filterHeaders, getSetCookieHeaders, hasAuthHeader } from './misc';
 import { getRenderedRequestAndContext } from './render';
@@ -207,7 +205,7 @@ export async function exportHarResponse(response?: Response) {
     status: response.statusCode,
     statusText: response.statusMessage,
     httpVersion: 'HTTP/1.1',
-    cookies: getResponseCookies(response),
+    cookies: await getResponseCookies(response),
     headers: getResponseHeaders(response),
     content: await getResponseContent(response),
     redirectURL: '',
@@ -299,7 +297,7 @@ export async function exportHarWithRenderedRequest(renderedRequest: RenderedRequ
     method: renderedRequest.method,
     url,
     httpVersion: 'HTTP/1.1',
-    cookies: getRequestCookies(renderedRequest),
+    cookies: await getRequestCookies(renderedRequest),
     headers: getRequestHeaders(renderedRequest),
     queryString: getRequestQueryString(renderedRequest),
     postData: await getRequestPostData(renderedRequest),
@@ -309,36 +307,56 @@ export async function exportHarWithRenderedRequest(renderedRequest: RenderedRequ
   return harRequest;
 }
 
-function getRequestCookies(renderedRequest: RenderedRequest) {
-  // filter out invalid cookies to avoid getCookiesSync complaining
+async function getRequestCookies(renderedRequest: RenderedRequest): Promise<Har.Cookie[]> {
+  if (!renderedRequest.url) {
+    return [];
+  }
+  if (typeof window !== 'undefined' && window.main?.cookies) {
+    const domainCookies = await window.main.cookies.getCookiesForUrl({
+      cookies: renderedRequest.cookieJar.cookies,
+      url: renderedRequest.url,
+    });
+    return domainCookies.map(mapCookieToHar);
+  }
+  // Fallback for non-renderer contexts (tests, plugin window)
+  const { jarFromCookies } = await import('./cookies');
   const jar = jarFromCookies(renderedRequest.cookieJar.cookies);
-  const domainCookies = renderedRequest.url ? jar.getCookiesSync(renderedRequest.url) : [];
-  const harCookies: Har.Cookie[] = domainCookies.map(mapCookie);
-  return harCookies;
+  const domainCookies = jar.getCookiesSync(renderedRequest.url);
+  return domainCookies.map(c => mapCookieToHar(c.toJSON() as Cookie));
 }
 
-export function getResponseCookiesFromHeaders(headers: Har.Cookie[]) {
-  return getSetCookieHeaders(headers).reduce((accumulator, harCookie) => {
-    let cookie: null | undefined | ToughCookie = null;
-
+export async function getResponseCookiesFromHeaders(headers: Har.Cookie[]): Promise<Har.Cookie[]> {
+  const setCookieHeaders = getSetCookieHeaders(headers);
+  if (typeof window !== 'undefined' && window.main?.cookies) {
+    const results: Har.Cookie[] = [];
+    for (const harCookie of setCookieHeaders) {
+      const cookie = await window.main.cookies.parse(harCookie.value || '');
+      if (cookie) {
+        results.push(mapCookieToHar(cookie));
+      }
+    }
+    return results;
+  }
+  // Fallback for non-renderer contexts (tests, plugin window)
+  const { Cookie: ToughCookie } = await import('tough-cookie');
+  return setCookieHeaders.reduce((accumulator, harCookie) => {
+    let cookie = null;
     try {
       cookie = ToughCookie.parse(harCookie.value || '', { loose: true });
     } catch {}
-
-    if (cookie === null || cookie === undefined) {
+    if (!cookie) {
       return accumulator;
     }
-
-    return [...accumulator, mapCookie(cookie)];
+    return [...accumulator, mapCookieToHar(cookie.toJSON() as Cookie)];
   }, [] as Har.Cookie[]);
 }
 
-function getResponseCookies(response: Response) {
+async function getResponseCookies(response: Response): Promise<Har.Cookie[]> {
   const headers = response.headers.filter(Boolean);
   return getResponseCookiesFromHeaders(headers);
 }
 
-function mapCookie(cookie: ToughCookie) {
+function mapCookieToHar(cookie: Cookie): Har.Cookie {
   const harCookie: Har.Cookie = {
     name: cookie.key,
     value: cookie.value,
diff --git a/packages/insomnia/src/entry.preload.ts b/packages/insomnia/src/entry.preload.ts
index 5e1e474ce9..6f03ccefae 100644
--- a/packages/insomnia/src/entry.preload.ts
+++ b/packages/insomnia/src/entry.preload.ts
@@ -132,6 +132,7 @@ const cookies: CookiesBridgeAPI = {
   fromJSON: cookie => invokeWithNormalizedError('cookies.fromJSON', cookie),
   parse: cookie => invokeWithNormalizedError('cookies.parse', cookie),
   toString: cookie => invokeWithNormalizedError('cookies.toString', cookie),
+  getCookiesForUrl: args => invokeWithNormalizedError('cookies.getCookiesForUrl', args),
 };
 
 const secretStorage: secretStorageBridgeAPI = {
diff --git a/packages/insomnia/src/main/ipc/cookies.ts b/packages/insomnia/src/main/ipc/cookies.ts
index 94a2067988..11eb4f7ca9 100644
--- a/packages/insomnia/src/main/ipc/cookies.ts
+++ b/packages/insomnia/src/main/ipc/cookies.ts
@@ -1,4 +1,4 @@
-import { Cookie as ToughCookie } from 'tough-cookie';
+import { Cookie as ToughCookie, CookieJar } from 'tough-cookie';
 
 import type { Cookie } from '~/insomnia-data';
 
@@ -26,10 +26,26 @@ const cookieToString = (cookie: CookieInput) => {
   return value;
 };
 
+const getCookiesForUrl = (cookies: Cookie[], url: string): Cookie[] => {
+  try {
+    const sanitized = cookies.map(c => ({
+      ...c,
+      expires: c.expires === null || c.expires === undefined ? 'Infinity' : c.expires,
+    }));
+    const jar = CookieJar.fromJSON(JSON.stringify({ cookies: sanitized }));
+    jar.rejectPublicSuffixes = false;
+    jar.looseMode = true;
+    return jar.getCookiesSync(url).map(c => c.toJSON() as Cookie);
+  } catch {
+    return [];
+  }
+};
+
 export interface CookiesBridgeAPI {
   fromJSON: (cookie: CookieInput) => Promise<Cookie | null>;
   parse: (cookie: string) => Promise<Cookie | null>;
   toString: (cookie: CookieInput) => Promise<string>;
+  getCookiesForUrl: (args: { cookies: Cookie[]; url: string }) => Promise<Cookie[]>;
 }
 
 export function registerCookieHandlers() {
@@ -42,4 +58,7 @@ export function registerCookieHandlers() {
   ipcMainHandle('cookies.toString', (_, cookie: CookieInput) => {
     return cookieToString(cookie);
   });
+  ipcMainHandle('cookies.getCookiesForUrl', (_, { cookies, url }: { cookies: Cookie[]; url: string }) => {
+    return getCookiesForUrl(cookies, url);
+  });
 }
diff --git a/packages/insomnia/src/main/ipc/electron.ts b/packages/insomnia/src/main/ipc/electron.ts
index c841d2edfa..c5cfbf3d76 100644
--- a/packages/insomnia/src/main/ipc/electron.ts
+++ b/packages/insomnia/src/main/ipc/electron.ts
@@ -27,6 +27,7 @@ export type HandleChannels =
   | 'curl.open'
   | 'curl.readyState'
   | 'cookies.fromJSON'
+  | 'cookies.getCookiesForUrl'
   | 'cookies.parse'
   | 'cookies.toString'
   | 'createPlugin'
diff --git a/packages/insomnia/src/routes/organization.$organizationId.project.$projectId.workspace.$workspaceId.mock-server.mock-route.$mockRouteId.tsx b/packages/insomnia/src/routes/organization.$organizationId.project.$projectId.workspace.$workspaceId.mock-server.mock-route.$mockRouteId.tsx
index 7f86d90199..40a97fb048 100644
--- a/packages/insomnia/src/routes/organization.$organizationId.project.$projectId.workspace.$workspaceId.mock-server.mock-route.$mockRouteId.tsx
+++ b/packages/insomnia/src/routes/organization.$organizationId.project.$projectId.workspace.$workspaceId.mock-server.mock-route.$mockRouteId.tsx
@@ -100,22 +100,25 @@ export const mockRouteToHar = ({
   body: string;
 }): Promise<Har.Response> => {
   const validHeaders = headersArray.filter(({ name }) => !!name);
-  return import('~/common/har').then(({ getResponseCookiesFromHeaders }) => ({
-    status: +statusCode,
-    statusText: statusText || RESPONSE_CODE_REASONS[+statusCode] || '',
-    httpVersion: 'HTTP/1.1',
-    headers: validHeaders,
-    cookies: getResponseCookiesFromHeaders(validHeaders),
-    content: {
-      size: Buffer.byteLength(body),
-      mimeType,
-      text: body,
-      compression: 0,
-    },
-    headersSize: -1,
-    bodySize: -1,
-    redirectURL: '',
-  }));
+  return (async () => {
+    const { getResponseCookiesFromHeaders } = await import('~/common/har');
+    return {
+      status: +statusCode,
+      statusText: statusText || RESPONSE_CODE_REASONS[+statusCode] || '',
+      httpVersion: 'HTTP/1.1',
+      headers: validHeaders,
+      cookies: await getResponseCookiesFromHeaders(validHeaders),
+      content: {
+        size: Buffer.byteLength(body),
+        mimeType,
+        text: body,
+        compression: 0,
+      },
+      headersSize: -1,
+      bodySize: -1,
+      redirectURL: '',
+    };
+  })();
 };
 
 export const useMockRoutePatcher = () => {