Developer Tools

Format, validate & minify JSON.

Minify HTML to reduce page size.

Compress CSS for faster loading.

Minify JavaScript code.

Format HTML, CSS, JS code.

Test regular expressions live.

Build cron job schedules.

Generate multiple UUIDs at once.

Pick color & get HEX/RGB/HSL codes.

Build beautiful CSS gradients.

Check DNS records of any domain.

Domain registration information.

Get info about any IP address.

Decode JWT header, payload & verify structure.

Convert epoch ↔ human date in any timezone.

WCAG AA/AAA pass/fail for color pairs.

Visual sliders + live preview + copy CSS.

Calculate missing dimension for images/video.

Name, meaning, use case for any HTTP code.

CSS unit converter with base font size input.

Text ↔ Morse code with audio playback.

Convert time between any two timezones with DST.

Build & explain cron schedules visually.