Developer Tools tools - Page 2

Convert a hex, rgb(a), or hsl(a) colour into all four notations at once, preserving alpha.

Shrink JavaScript with a lightweight comment and whitespace pass, reporting byte counts and a caveat.

Strip comments and whitespace from CSS and report original versus minified byte counts.

Parse a cron expression and list the next eight UTC run times so you can sanity-check a schedule.

Build a five-field cron expression from schedule fields and preview the next five run times in UTC.

Return a vetted regex preset for email, URL, IPv4, UUID, digit, or slug shapes, each with a stated limitation.

Flag empty statements, unbalanced parentheses, stacked statements, and missing SQL verbs without a database.

Reformat SQL with keyword casing and clause line breaks so long queries become reviewable.

Pretty-print JavaScript with Prettier and the babel parser, surfacing syntax errors instead of hiding them.

Pretty-print CSS with Prettier for readable stylesheets, cleaner diffs, and easier specificity review.

Pretty-print HTML with Prettier so templates and response bodies become readable and reviewable.

Validate and classify IPv4 or IPv6 strings, including private and loopback ranges, with no external lookup.

Parse a User-Agent string into browser, operating system, and device hints for log triage.

Compose method, URL, headers, and body into copy-ready cURL and fetch snippets without sending the request.

Fetch a public URL and list every response header for CORS, caching, and content-type debugging.