Decode and debug JSON Web Tokens (JWT) client-side to inspect headers, payloads, and claims.
{ "alg": "HS256", "typ": "JWT" }{ "sub": "123", "name": "..." }Formatters, validators, generators, and developer utilities.
String manipulation, case converters, and Markdown rendering.
Hashing algorithms, password generators, and token decoders.
Convert between different units, coordinates, and URL formats.
Quick financial, mathematical, and date-time calculators.
Hardware calculations, resistor codes, Ohm's Law, and 555 timers.
Merge, split, convert, and watermark PDF files client-side.
Meta tag creators, sitemaps, robots.txt, and keyword density checker.
Campaign builders, timers, visual random picker wheels, and captions line break formatters.
Timezone planners, Cron builders, hardware RTC byte compilers, custom countdowns, and precision stopwatches.
Box shadow visual builders, neumorphic light extruders, and SVG path visual optimizer utilities.