diff --git a/components/report-window/problems/unlawful-cookies.tsx b/components/report-window/problems/unlawful-cookies.tsx
index 53500e1..25d3e61 100644
--- a/components/report-window/problems/unlawful-cookies.tsx
+++ b/components/report-window/problems/unlawful-cookies.tsx
@@ -9,7 +9,7 @@ export class UnlawfulCookieAccess extends Problem {
     }
 
     qualifies(): boolean {
-        // są cookiesy, nie było zgody, nie są konieczne do działania strony
+        // there are cookies, no consent given, not necessary for site operation
         const cookie_clusters = Object.values(this.clusters).filter((c) => c.hasMarkedCookies());
         return cookie_clusters.some((cluster) => {
             const hostAnswers = this.answers.hosts[cluster.id];
diff --git a/lib/browser-api/chrome.ts b/lib/browser-api/chrome.ts
index 5431819..10307e2 100644
--- a/lib/browser-api/chrome.ts
+++ b/lib/browser-api/chrome.ts
@@ -1,12 +1,12 @@
 /**
  * Chrome Browser API Implementation
- * 
- * Mapuje Chrome chrome.* API na nasze ujednolicone BrowserAPI
+ *
+ * Maps Chrome chrome.* API to our unified BrowserAPI
  */
 
 import type { BrowserAPI } from './types';
 
-// Chrome używa globalnego obiektu `chrome`
+// Chrome uses global `chrome` object
 declare const chrome: any;
 
 export const chromeAPI: BrowserAPI = {
@@ -19,7 +19,7 @@ export const chromeAPI: BrowserAPI = {
         },
     },
 
-    // Badge API - Chrome używa action (nie browserAction)
+    // Badge API - Chrome uses action (not browserAction)
     badge: {
         setBadgeText: chrome.action.setBadgeText,
         setTitle: chrome.action.setTitle,
diff --git a/lib/browser-api/firefox.ts b/lib/browser-api/firefox.ts
index 911f0a7..c68e41b 100644
--- a/lib/browser-api/firefox.ts
+++ b/lib/browser-api/firefox.ts
@@ -1,12 +1,12 @@
 /**
  * Firefox Browser API Implementation
- * 
- * Mapuje Firefox browser.* API na nasze ujednolicone BrowserAPI
+ *
+ * Maps Firefox browser.* API to our unified BrowserAPI
  */
 
 import type { BrowserAPI } from './types';
 
-// Firefox używa globalnego obiektu `browser`
+// Firefox uses global `browser` object
 declare const browser: any;
 
 export const firefoxAPI: BrowserAPI = {
@@ -19,7 +19,7 @@ export const firefoxAPI: BrowserAPI = {
         },
     },
 
-    // Badge API - Firefox używa browserAction
+    // Badge API - Firefox uses browserAction
     badge: {
         setBadgeText: browser.browserAction.setBadgeText,
         setTitle: browser.browserAction.setTitle,
diff --git a/lib/browser-api/index.ts b/lib/browser-api/index.ts
index 119d6c1..c667534 100644
--- a/lib/browser-api/index.ts
+++ b/lib/browser-api/index.ts
@@ -1,7 +1,7 @@
 /**
  * Browser API Abstraction - Main Export
- * 
- * Eksportuje właściwą implementację na podstawie TARGET build variable
+ *
+ * Exports the appropriate implementation based on TARGET build variable
  */
 
 import type { BrowserAPI } from './types';
@@ -9,19 +9,19 @@ import type { BrowserAPI } from './types';
 // Build-time selection of browser API implementation
 let browserApi: BrowserAPI;
 
-// TARGET jest ustawiane przez esbuild.config.js na podstawie npm script
+// TARGET is set by esbuild.config.js based on npm script
 if (process.env.TARGET === 'chrome') {
-    // Chrome build - używamy chrome adapter
+    // Chrome build - use chrome adapter
     const { chromeAPI } = require('./chrome');
     browserApi = chromeAPI;
 } else {
-    // Firefox build (default) - używamy firefox adapter  
+    // Firefox build (default) - use firefox adapter
     const { firefoxAPI } = require('./firefox');
     browserApi = firefoxAPI;
 }
 
-// Eksportuj jako default export
+// Export as default export
 export default browserApi;
 
-// Re-export typów dla wygody
+// Re-export types for convenience
 export * from './types';
\ No newline at end of file
diff --git a/lib/browser-api/types.ts b/lib/browser-api/types.ts
index 8e7cf41..9007677 100644
--- a/lib/browser-api/types.ts
+++ b/lib/browser-api/types.ts
@@ -1,9 +1,9 @@
 /**
- * Browser API Abstraction - Typy na podstawie faktycznego użycia w kodzie
- * 
- * Przeanalizowane pliki:
+ * Browser API Abstraction - Types based on actual code usage
+ *
+ * Analyzed files:
  * - util.ts: tabs.query, Tab.id
- * - tab-dropdown.tsx: tabs.query, Tab.id, Tab.title  
+ * - tab-dropdown.tsx: tabs.query, Tab.id, Tab.title
  * - toolbar.tsx: tabs.query, tabs.onUpdated, Tab.url, windows.WINDOW_ID_CURRENT
  * - memory.ts: browserAction.*, webRequest.*, cookies.*, extension.*
  */
@@ -40,8 +40,8 @@ export interface BadgeColorDetails {
 export interface RequestDetails {
     requestId: string;                    // memory.ts: request.requestId
     requestHeaders?: RequestHeader[];     // memory.ts: request.requestHeaders
-    // Note: ExtendedRequest konstruktor używa więcej pól, 
-    // ale tu skupiamy się na tym co bezpośrednio używa browser API
+    // Note: ExtendedRequest constructor uses more fields,
+    // but here we focus on what directly uses browser API
 }
 
 export interface RequestHeader {