diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d5c67208..4dd9ffb7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
       - run: corepack enable
       - uses: actions/setup-node@v3
         with:
-          node-version: 16
+          node-version: 20
           cache: 'pnpm'
 
       - name: Install dependencies
diff --git a/.github/workflows/e2e-tests.yml b/.github/workflows/e2e-tests.yml
index b5b04096..13b787ef 100644
--- a/.github/workflows/e2e-tests.yml
+++ b/.github/workflows/e2e-tests.yml
@@ -18,7 +18,7 @@ jobs:
 
       - uses: actions/setup-node@v3
         with:
-          node-version: 16
+          node-version: 20
           cache: 'pnpm'
 
       - name: Get Playwright version
diff --git a/playwright.config.ts b/playwright.config.ts
index 3caa0612..5257c526 100644
--- a/playwright.config.ts
+++ b/playwright.config.ts
@@ -9,7 +9,7 @@ const useWebServer = process.env.NO_WEB_SERVER !== 'true';
  */
 export default defineConfig({
   testDir: './src',
-  testMatch: /.*\.e2e\.(spec\.)?ts/,
+  testMatch: /\.e2e\.(spec\.)?ts$/,
   /* Run tests in files in parallel */
   fullyParallel: true,
   /* Fail the build on CI if you accidentally left test.only in the source code. */
@@ -57,7 +57,7 @@ export default defineConfig({
     && {
       webServer: {
         command: 'npm run preview',
-        url: 'http://127.0.0.1:5050',
+        url: 'http://localhost:5050',
         reuseExistingServer: !isCI,
       },
     }
diff --git a/src/tools/bcrypt/bcrypt.vue b/src/tools/bcrypt/bcrypt.vue
index c28c20bf..d4881299 100644
--- a/src/tools/bcrypt/bcrypt.vue
+++ b/src/tools/bcrypt/bcrypt.vue
@@ -28,7 +28,7 @@ const compareMatch = computed(() => compareSync(compareString.value, compareHash
       mb-2
     />
     <n-form-item label="Salt count: " label-placement="left" label-width="120">
-      <n-input-number v-model:value="saltCount" placeholder="Salt rounds..." :max="10" :min="0" w-full />
+      <n-input-number v-model:value="saltCount" placeholder="Salt rounds..." :max="100" :min="0" w-full />
     </n-form-item>
 
     <c-input-text :value="hashed" readonly text-center />
diff --git a/src/tools/integer-base-converter/integer-base-converter.model.test.ts b/src/tools/integer-base-converter/integer-base-converter.model.test.ts
index d0387b64..c7d7db79 100644
--- a/src/tools/integer-base-converter/integer-base-converter.model.test.ts
+++ b/src/tools/integer-base-converter/integer-base-converter.model.test.ts
@@ -11,6 +11,9 @@ describe('integer-base-converter', () => {
         expect(convertBase({ value: '10100101', fromBase: 2, toBase: 16 })).toEqual('a5');
         expect(convertBase({ value: '192654', fromBase: 10, toBase: 8 })).toEqual('570216');
         expect(convertBase({ value: 'zz', fromBase: 64, toBase: 10 })).toEqual('2275');
+        expect(convertBase({ value: '42540766411283223938465490632011909384', fromBase: 10, toBase: 10 })).toEqual('42540766411283223938465490632011909384');
+        expect(convertBase({ value: '42540766411283223938465490632011909384', fromBase: 10, toBase: 16 })).toEqual('20010db8000085a300000000ac1f8908');
+        expect(convertBase({ value: '20010db8000085a300000000ac1f8908', fromBase: 16, toBase: 10 })).toEqual('42540766411283223938465490632011909384');
       });
     });
   });
diff --git a/src/tools/integer-base-converter/integer-base-converter.model.ts b/src/tools/integer-base-converter/integer-base-converter.model.ts
index b4470e57..da0fe77f 100644
--- a/src/tools/integer-base-converter/integer-base-converter.model.ts
+++ b/src/tools/integer-base-converter/integer-base-converter.model.ts
@@ -5,16 +5,16 @@ export function convertBase({ value, fromBase, toBase }: { value: string; fromBa
   let decValue = value
     .split('')
     .reverse()
-    .reduce((carry: number, digit: string, index: number) => {
+    .reduce((carry: bigint, digit: string, index: number) => {
       if (!fromRange.includes(digit)) {
         throw new Error(`Invalid digit "${digit}" for base ${fromBase}.`);
       }
-      return (carry += fromRange.indexOf(digit) * fromBase ** index);
-    }, 0);
+      return (carry += BigInt(fromRange.indexOf(digit)) * BigInt(fromBase) ** BigInt(index));
+    }, 0n);
   let newValue = '';
   while (decValue > 0) {
-    newValue = toRange[decValue % toBase] + newValue;
-    decValue = (decValue - (decValue % toBase)) / toBase;
+    newValue = toRange[Number(decValue % BigInt(toBase))] + newValue;
+    decValue = (decValue - (decValue % BigInt(toBase))) / BigInt(toBase);
   }
   return newValue || '0';
 }