Webmaster and Web Developer Toolbox 2017-11-01T06:26:13+00:00


Serialize and Unserialize PHP arrays and others strings.

Base64 encode your images (jpg, gif, png, svg, etc.) to include them directly in a CSS style sheet.

Base64 decode.

Base64 decode Url Safe.

Use JSON Edit to compose your JSON object strings.

Use JsFiddle to develop simple CSS and jQuery snippets.

Network tools

Verify the availability of a website from various locations.


View if and IP is blacklisted for sending emails.


Web Design

CSS to SCSS online

CSS Media Queries for iPads and iPhones.

iPhone Resolutions

CSS Flexbox comprehensive guide

Page structure

Google Structured Data Testing Tool

HTML5 validator and outliner

Can I Use this feature in that browser?

Find unclosed HTML tags

Web Standards

HTML5 Living Standard

Test environments

Test Microsoft browsers in virtual machines.