• 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

• WHOIS IP Lookup by NEUSTAR / Ultratools

• 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.

  • Wraplet: TypeScript, OOP, and the DOM — finally in one working model. by /u/enador (2026/05/10 10:13)
  • I build VideoFlow, a library to create videos from JSON objects (opensource alternative to Remotion) by /u/ybouane (2026/05/10 05:42)
  • turned my website’s procedural backgrounds into a standalone vanilla js engine. here's how to use it in yours, if you fancy this. by /u/VicksTurtle (2026/05/10 00:14)
  • Per-route OG image generation for TanStack Start by /u/jxd-dev (2026/05/09 17:34)
  • JavaScript has no reliable tail call optimization: here is what actually happens at runtime and what to do instead by /u/OtherwisePush6424 (2026/05/09 16:36)

• 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

• Font Meme – Signature maker and so on

• HTML5 UP