diff --git a/tests/unit/details.test.js b/tests/unit/details.test.js
index d2138b5..c64d438 100644
--- a/tests/unit/details.test.js
+++ b/tests/unit/details.test.js
@@ -88,6 +88,30 @@ describe('onEntryData', () => {
             });
         });
 
+        test('filtered keys is case-insensitive', () => {
+            expect.assertions(2);
+            return details.onEntryData(loginElement, { MuH: 'value' }).then(() => {
+                expect(document.getElementsByClassName('detail-key').length).toBe(0);
+                expect(document.getElementsByClassName('detail-clickable-value').length).toBe(0);
+            });
+        });
+
+        test('filtered keys always hides "password"', () => {
+            expect.assertions(2);
+            return details.onEntryData(loginElement, { password: 'value' }).then(() => {
+                expect(document.getElementsByClassName('detail-key').length).toBe(0);
+                expect(document.getElementsByClassName('detail-clickable-value').length).toBe(0);
+            });
+        });
+
+        test('filtered keys always hides "Password"', () => {
+            expect.assertions(2);
+            return details.onEntryData(loginElement, { Password: 'value' }).then(() => {
+                expect(document.getElementsByClassName('detail-key').length).toBe(0);
+                expect(document.getElementsByClassName('detail-clickable-value').length).toBe(0);
+            });
+        });
+
         test('url values', () => {
             expect.assertions(2);
             return details.onEntryData(loginElement, { hallo: 'https://hallo.welt' }).then(() => {
diff --git a/web-extension/details.js b/web-extension/details.js
index bb4a99d..32900a1 100644
--- a/web-extension/details.js
+++ b/web-extension/details.js
@@ -27,8 +27,10 @@ function _insertAfter(newNode, referenceNode) {
 }
 
 function _excludeKey(key, settings) {
-    const omit = settings.omitkeys.split(',').map(item => item.trim());
-    return omit.some(value => value === key);
+    const _canonicalize = k => k.trim().toLowerCase();
+    const omit = settings.omitkeys.split(',');
+    omit.push('password'); // Always exclude default "password/Password" key from detail view, user can use copy button
+    return omit.some(value => _canonicalize(value) === _canonicalize(key));
 }
 
 function _detailViewFromMessage(message, settings) {