TOOL · ALEXUYS
Developer tools — small browser utilities that solve one task quickly.
Free browser-based utilities for JSON, UTM links, cron, JWT, robots.txt and sitemap.xml — no registration required.
Found: 6
Cron Builder — create a five-field cron expression without guessing the order.
A browser-based Cron Builder utility that works without registration.
Explore ↗JSON Formatter — validate, format and minify JSON locally in the browser.
A browser-based JSON Formatter utility that works without registration.
Explore ↗JWT Decoder — inspect JWT header and payload locally without sending the token away.
A browser-based JWT Decoder utility that works without registration.
Explore ↗robots.txt Validator — inspect crawler directives before they reach production.
A browser-based robots.txt Validator utility that works without registration.
Explore ↗Sitemap XML Validator — check XML, URLs, duplicates and sitemap structure.
A browser-based Sitemap XML Validator utility that works without registration.
Explore ↗UTM Builder — create clean campaign URLs without losing existing query parameters.
A browser-based UTM Builder utility that works without registration.
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