Medium
Popular
JSON Formatter
Format, minify, and validate JSON with clean error messages.
Developer ToolsOpen
Loading MH Tools page...
Paste a JWT and inspect decoded header, payload, and expiry time while keeping decoding local to your browser.
Tip: MH Tools runs this utility in your browser for quick no-login use. Review generated output before publishing or sharing it.
JWT Decoder is part of the Developer Tools collection in MH Tools. It is designed for fast, no-login use and works well for quick browser-based tasks.
This tool decodes JWT header and payload sections without sending the token to a server.
Step 1: Paste a JWT.
Step 2: Review header and payload.
Step 3: Copy decoded output if needed.
Yes. This tool runs without login or payment.
No. Decoding happens locally in your browser and signature verification is not performed.
Format, minify, and validate JSON with clean error messages.
Encode plain text to Base64 or decode Base64 back to text.
Convert Unix timestamps to dates and dates back to Unix time.
Generate one or many browser-safe UUIDs.
Encode or decode URL-safe strings instantly.
Format or minify small HTML snippets without a heavy dependency.
Format, minify, and validate JSON with clean error messages.
Encode or decode URL-safe strings instantly.
Encode plain text to Base64 or decode Base64 back to text.
Generate one or many browser-safe UUIDs.
Expiry time
1/1/2030, 12:00:00 AM