10 Free Online Developer Tools You Should Use

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

https://3v4l.org

Online PHP shell, where you can test your code snippets in many PHP versions.

Free Online Developer Tools - Online PHP Editor
Online PHP Editor

JSFiddle

https://jsfiddle.net

An amazing tool, where you can test front end code (HTML, JavaScript, CSS). All popular front end frameworks are available. You can save and share your fiddle.

Free Online Developer Tools - JSFiddle
Free Online Developer Tools – JSFiddle

Codeply

https://www.codeply.com

Similar to JSFiddle but with more templates available.

Free Online Developer Tools - Codeply
Codeply

Can I Use

https://caniuse.com

“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.

Free Online Developer Tools - CanIUse
CanIUse

Minifier

https://www.minifier.org

Useful to minify JS or CSS code.

Free Online Developer Tools - Minifier
Minifier

Real Favicon Generator

https://realfavicongenerator.net

Submit an image (PNG, JPG, SVG) 260x260px to get favicon for all browsers in all platforms (desktop and mobile). Amazing tool!

Free Online Developer Tools - Real Favicon Generator
Real Favicon Generator

Mergely

http://www.mergely.com/editor

Diff and Merge your code online!

Free Online Developer Tools - Mergely
Free Online Developer Tools – Mergely

Regex101

https://regex101.com

Test and debug almost any regular expression.

Free Online Developer Tools - Regex101
Free Online Developer Tools – Regex101

GTmetrix

https://gtmetrix.com

Test your site performance. See how your page loads on different devices. Compare reports.

Free Online Developer Tools - GTmetrix
Free Online Developer Tools – GTmetrix

MXtoolbox

https://mxtoolbox.com/SuperTool.aspx

Find an answer to almost any Network related issue: MX record, DNS, whois, blacklist, SMTP, ping, and many more.

Free Online Developer Tools - MXtoolbox
Free Online Developer Tools – MXtoolbox

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