4 files changed, 42 insertions, 0 deletions
diff --git a/src/tools/index.ts b/src/tools/index.ts
index bc5192a..ca4e5f9 100644
--- a/src/tools/index.ts
+++ b/src/tools/index.ts
@@ -1,6 +1,7 @@
 import { LockOpen } from '@vicons/tabler';
 import type { ToolCategory } from './tool';
 
+import { tool as jwtParser } from './jwt-parser';
 import { tool as mimeTypes } from './mime-types';
 import { tool as otpCodeGeneratorAndValidator } from './otp-code-generator-and-validator';
 import { tool as base64FileConverter } from './base64-file-converter';
@@ -67,6 +68,7 @@ export const toolsByCategory: ToolCategory[] = [
       metaTagGenerator,
       otpCodeGeneratorAndValidator,
       mimeTypes,
+      jwtParser,
     ],
   },
   {
diff --git a/src/tools/jwt-parser/index.ts b/src/tools/jwt-parser/index.ts
new file mode 100644
index 0000000..eb1c6e4
--- /dev/null
+++ b/src/tools/jwt-parser/index.ts
@@ -0,0 +1,11 @@
+import { ArrowsShuffle } from '@vicons/tabler';
+import { defineTool } from '../tool';
+
+export const tool = defineTool({
+  name: 'JWT parser',
+  path: '/jwt-parser',
+  description: '',
+  keywords: ['jwt', 'parser'],
+  component: () => import('./jwt-parser.vue'),
+  icon: ArrowsShuffle,
+});
diff --git a/src/tools/jwt-parser/jwt-parser.service.ts b/src/tools/jwt-parser/jwt-parser.service.ts
new file mode 100644
index 0000000..120a099
--- /dev/null
+++ b/src/tools/jwt-parser/jwt-parser.service.ts
@@ -0,0 +1,20 @@
+import jwt_decode, { InvalidTokenError } from 'jwt-decode';
+
+interface JWT {
+  header: Map<string, unknown>;
+  payload: Map<string, unknown>;
+}
+
+export function safe_jwt_decode(raw_jwt: string): JWT {
+  try {
+    const header = jwt_decode(raw_jwt, { header: true }) as Map<string, unknown>;
+    const payload = jwt_decode(raw_jwt) as Map<string, unknown>;
+    return { header: header, payload: payload };
+  } catch (e) {
+    if (e instanceof InvalidTokenError) {
+      return { header: new Map<string, unknown>(), payload: new Map<string, unknown>() };
+    } else {
+      throw e;
+    }
+  }
+}
diff --git a/src/tools/jwt-parser/jwt-parser.vue b/src/tools/jwt-parser/jwt-parser.vue
new file mode 100644
index 0000000..d54c238
--- /dev/null
+++ b/src/tools/jwt-parser/jwt-parser.vue
@@ -0,0 +1,9 @@
+<template>
+
+</template>
+
+<script setup lang="ts">
+
+</script>
+
+<style lang="less" scoped></style>