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.

Urlencode & urldecode

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.


Detect which platform is used for a web site


Web Design

CSS to SCSS online

CSS Media Queries for iPads and iPhones.

iPhone Resolutions

CSS Flexbox comprehensive guide

Web Standards

HTML5 Living Standard

Test environments

Test Microsoft browsers in virtual machines.