Network
Query WHOIS domain registration information including registrar, dates, and name servers
whois-lookupUtilities
Generate QR codes for WiFi networks to easily share credentials with guests
wifi-qr-generatorDesign
Convert XYZ color values to LCH for color management
xyz-to-lch-converterDesign
Convert XYZ color values to CMYK for printing
xyz-to-cmyk-converterDesign
Convert XYZ color values to HEX for screen display
xyz-to-hex-converterDesign
Convert XYZ color values to HSL for screen display
xyz-to-hsl-converterDesign
Convert XYZ color values to LAB for color management
xyz-to-lab-converterDesign
Convert XYZ color values to RGB for screen display
xyz-to-rgb-converterDesign
Convert XYZ color values to HSV/HSB for color manipulation
xyz-to-hsv-converterMedia
Extract still frames from a video at a fixed interval, custom timestamps, or the first N frames — uses fast input seeking and downloads a ZIP.
video-frame-extractorValidation
Parse Title/Chapter/Article/Section/Subsection/Appendix municipal code citations, generate Bluebook Rule 12.9.2 legal citations, detect renumbering after recent ordinances (gaps, duplicates, out-of-order sections), and optionally live-verify hosted deep links.
us-state-county-municode-code-of-ordinances-section-subsection-citation-link-checkerDesign
Upload a variable font (TTF/OTF/WOFF/WOFF2) to inspect its fvar axes and named instances, preview interpolation live in the browser, and generate ready-to-paste font-variation-settings CSS plus the equivalent high-level properties and a variable @font-face block.
variable-font-axis-instance-and-css-font-variation-settings-builder