Encoding & Token Tools
Inspect JWT claims for debugging, encode or decode Base64 and Base64URL strings — all processing happens client-side.
2 tools · runs in your browser
JWT Decoder
Decode JWT header and payload in your browser. Fast, free, and private — no token upload.
Base64 Encoder/Decoder
Encode and decode Base64 text locally in your browser. Free, fast, and private — no upload.
Learn the concepts
Embed on your site
Add any cluster tool to your blog or docs with a lightweight iframe. Copy the snippet below.
<iframe src="https://tools.weblexia.in/embed/jwt-decoder?h=520" width="640" height="520" frameborder="0" loading="lazy" title="Weblexia jwt-decoder"></iframe>