Web development is a very demanding job. These Online Developer Tools can help you become more efficient. They are always available through the web browser. Also, they are provided free of charge.
Online PHP Editor 3v4l
Online PHP shell, where you can test your code snippets in many PHP versions.
Similar to JSFiddle but with more templates available.
Can I Use
“Can I use” provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers.
You can import usage data from your Google Analytics account and see exactly how well a feature is supported among your own site’s visitors.
Useful to minify JS or CSS code.
Real Favicon Generator
Submit an image (PNG, JPG, SVG) 260x260px to get favicon for all browsers in all platforms (desktop and mobile). Amazing tool!
Diff and Merge your code online!
Test and debug almost any regular expression.
Test your site performance. See how your page loads on different devices. Compare reports.
Find an answer to almost any Network related issue: MX record, DNS, whois, blacklist, SMTP, ping, and many more.
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Entrepreneur | Full-stack developer | Founder of MediSign Ltd. I have over 15 years of professional experience designing and developing web applications. I am also very experienced in managing (web) projects.