diff --git a/src/tools/bip39-generator/bip39-generator.vue b/src/tools/bip39-generator/bip39-generator.vue
index 54e8bc2b..26556cf8 100644
--- a/src/tools/bip39-generator/bip39-generator.vue
+++ b/src/tools/bip39-generator/bip39-generator.vue
@@ -60,6 +60,7 @@
 <script setup lang="ts">
 import { useCopy } from '@/composable/copy';
 import { useValidation } from '@/composable/validation';
+import { isNotThrowing } from '@/utils/boolean';
 import { withDefaultOnError } from '@/utils/defaults';
 import {
   chineseSimplifiedWordList,
@@ -98,11 +99,7 @@ const passphraseInput = ref('');
 const language = ref<keyof typeof languages>('English');
 const passphrase = computed({
   get() {
-    try {
-      return entropyToMnemonic(entropy.value, languages[language.value]);
-    } catch (_) {
-      return passphraseInput.value;
-    }
+    return withDefaultOnError(() => entropyToMnemonic(entropy.value, languages[language.value]), passphraseInput.value);
   },
   set(value: string) {
     passphraseInput.value = value;
@@ -128,14 +125,7 @@ const mnemonicValidation = useValidation({
   source: passphrase,
   rules: [
     {
-      validator: (value) => {
-        try {
-          mnemonicToEntropy(value, languages[language.value]);
-          return true;
-        } catch (_) {
-          return false;
-        }
-      },
+      validator: (value) => isNotThrowing(() => mnemonicToEntropy(value, languages[language.value])),
       message: 'Invalid mnemonic',
     },
   ],
diff --git a/src/tools/url-encoder/url-encoder.vue b/src/tools/url-encoder/url-encoder.vue
index d48b715c..edbb4623 100644
--- a/src/tools/url-encoder/url-encoder.vue
+++ b/src/tools/url-encoder/url-encoder.vue
@@ -60,6 +60,7 @@
 <script setup lang="ts">
 import { useCopy } from '@/composable/copy';
 import { useValidation } from '@/composable/validation';
+import { isNotThrowing } from '@/utils/boolean';
 import { withDefaultOnError } from '@/utils/defaults';
 import { computed, ref } from 'vue';
 
@@ -70,14 +71,7 @@ const encodedValidation = useValidation({
   source: encodeInput,
   rules: [
     {
-      validator: (value) => {
-        try {
-          encodeURIComponent(value);
-          return true;
-        } catch (_) {
-          return false;
-        }
-      },
+      validator: (value) => isNotThrowing(() => encodeURIComponent(value)),
       message: 'Impossible to parse this string',
     },
   ],
@@ -92,14 +86,7 @@ const decodeValidation = useValidation({
   source: encodeInput,
   rules: [
     {
-      validator: (value) => {
-        try {
-          decodeURIComponent(value);
-          return true;
-        } catch (_) {
-          return false;
-        }
-      },
+      validator: (value) => isNotThrowing(() => decodeURIComponent(value)),
       message: 'Impossible to parse this string',
     },
   ],
diff --git a/src/tools/url-parser/url-parser.vue b/src/tools/url-parser/url-parser.vue
index 78b732af..3b18ca14 100644
--- a/src/tools/url-parser/url-parser.vue
+++ b/src/tools/url-parser/url-parser.vue
@@ -27,10 +27,11 @@
 </template>
 
 <script setup lang="ts">
-import { computed, ref } from 'vue';
-import { SubdirectoryArrowRightRound } from '@vicons/material';
 import { useValidation } from '@/composable/validation';
+import { isNotThrowing } from '@/utils/boolean';
 import { withDefaultOnError } from '@/utils/defaults';
+import { SubdirectoryArrowRightRound } from '@vicons/material';
+import { computed, ref } from 'vue';
 import InputCopyable from '../../components/InputCopyable.vue';
 
 const urlToParse = ref('https://me:pwd@it-tools.tech:3000/url-parser?key1=value&key2=value2#the-hash');
@@ -40,14 +41,7 @@ const validation = useValidation({
   source: urlToParse,
   rules: [
     {
-      validator: (value) => {
-        try {
-          new URL(value);
-          return true;
-        } catch (_) {
-          return false;
-        }
-      },
+      validator: (value) => isNotThrowing(() => new URL(value)),
       message: 'Invalid url',
     },
   ],
diff --git a/src/utils/boolean.test.ts b/src/utils/boolean.test.ts
new file mode 100644
index 00000000..20b8e33a
--- /dev/null
+++ b/src/utils/boolean.test.ts
@@ -0,0 +1,15 @@
+import { describe, expect, it } from 'vitest';
+import { isNotThrowing } from './boolean';
+
+describe('boolean utils', () => {
+  describe('isNotThrowing', () => {
+    it('should return if the call throws or false otherwise', () => {
+      expect(isNotThrowing(() => {})).to.eql(true);
+      expect(
+        isNotThrowing(() => {
+          throw new Error();
+        }),
+      ).to.eql(false);
+    });
+  });
+});
diff --git a/src/utils/boolean.ts b/src/utils/boolean.ts
new file mode 100644
index 00000000..9e842ea8
--- /dev/null
+++ b/src/utils/boolean.ts
@@ -0,0 +1,10 @@
+export { isNotThrowing };
+
+function isNotThrowing(cb: () => unknown): boolean {
+  try {
+    cb();
+    return true;
+  } catch (_) {
+    return false;
+  }
+}