• Website Speed Test & Analysis by Pingdom

• Mobile-Friendly Test by oogle

• SPF Online Check by MXToolbox

• SSL Server Test by Qualys SSL Labs

• DNS test and reports

• DNS & Privacy Test by Tenta

• NSLOOKUP by KLOTH.NET

• Look up WHOIS by Whois.com

• MAC Address lookup by MA:CV:en:do:rs

IFTTT — Automation Web applets to enable seamless integration between web services.

• Settings | Activities

• Settings | Activities

My Applets

CloudConvert — Convert file formats

TinyPNG — Compress PNG or JPG files

QRCode Monkey — Generating QR Code

QR Code Generator — QRCode Stuff

QR Code Generator — from the ZXing Project

Bulk Resize Photos — Resize multiple images

EAN13 code — Online API for EAN13 Code

• https://bwipjs-api.metafloor.com/?bcid=ean13&text=5901234123457

• JSFiddle Online Editor — supports HTML, JavaScript and CSS in one page.

• Stack Overflow — Where Developers Learn, Share, & Build Careers.

• JavaScript Subreddit — All about the JavaScript programming language.

  • stagelint: a faster lint-staged alternative that never fails on conflicts by /u/abemedia (2026/09/09 22:35)
  • A copy-paste fetch() wrapper, plus information on replicating Axios-like features by /u/theScottyJam (2026/09/09 22:08)
  • Upyo 0.6.0: MIME composition, streaming attachments, and calendar invitations by /u/hongminhee (2026/09/09 21:20)
  • GitHub - orange-groove/react-map-annotate: Draw on Mapbox, MapLibre, Google, Leaflet, or ArcGIS in React by /u/Silly-Calligrapher21 (2026/09/09 21:18)
  • GitHub - bakemd: Minimal docs engine that ships 1 KB of JS to the client by /u/mkngsm (2026/09/09 19:38)

• ES6 compatibility table — Compatibility matrix for JavaSscript

• Coolors.co — Generate color palettes
• ColourLOVERS — Color Trends + Palettes

• HTML Color codes — Color code picker from image

• BrandColors — Find brands' color code

• Official brand color code

• favicon generator

General favicon code for

  <link rel="apple-touch-icon" sizes="180x180" href="favicons/apple-touch-icon.png">
  <link rel="icon" type="image/png" sizes="32x32" href="favicons/favicon-32x32.png">
  <link rel="icon" type="image/png" sizes="16x16" href="favicons/favicon-16x16.png">
  <link rel="manifest" href="favicons/site.webmanifest">
  <link rel="mask-icon" href="favicons/safari-pinned-tab.svg" color="#5bbad5">
  <link rel="shortcut icon" href="favicons/favicon.ico">
 
  <meta name="msapplication-TileColor" content="#da532c">
  <meta name="msapplication-config" content="favicons/browserconfig.xml">
  <meta name="theme-color" content="#ffffff">

• favicon checker

• Open Graph generator

• Generate sharing button with Font Awesome

• HTML5 UP