IN-BROWSER INSPECTOR JWT Decoder & Token Inspector Decode, inspect, and audit JSON Web Tokens (JWT) in real time with syntax-colorized Header, Payload, and Signature visualization. Converts Unix claims timestamps (exp, iat, nbf) into human dates, audits critical vulnerabilities like the “none” algorithm exploit, and ensures 100% client-side privacy with zero data transmission. ● Header (Algorithm

/ DEVELOPER & DATA TOOLS — MULTI-FORMAT CONVERTER YAML ↔ JSON ↔ CSV Universal Converter Transform structured data seamlessly across YAML, JSON, and CSV in real time. Features deep nested object flattening, RFC 4180 parsing, custom delimiters, and strict client-side privacy with zero server uploads. Bi-Directional 3-Way Nested Object Flattening RFC 4180 CSV Engine 100%

/ Text & data tools — JSON JSON Formatter & Validator Paste messy JSON, get it back readable and syntax-highlighted — or minified for shipping. Invalid input is pinpointed to the exact line and column. Everything runs in this tab: no upload, no request, no server ever sees your data. Instant · client-side Precise error