Check your web browsing set up to make sure your software is up to date.

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Online regex tester, debugger with highlighting for PHP, PCRE, Python, Golang and JavaScript.

One-click ready-to-code development environments for GitHub.

The ultimate favicon generator. Design your icons platform per platform and make them look great, everywhere

Convert PNG to ICO, JPG to ICO, GIF to ICO. Create favicon.ico and iOS / Android App Icons. Edit a favicon to fit your needs, or search ou…

RunKit notebooks are interactive javascript playgrounds connected to a complete node environment right in your browser. Every npm module pre…

Make your website faster and save bandwidth. TinyPNG optimizes your PNG images by 50-80% while preserving full transparency!