Illustration of a "making machine" (10K Apart logo by Sarah Drasner).

We're giving away $10K in prizes to the best web experiences in under 10kB.

Free tools for cross-browser testing

No PC? No problem. Our tools and virtual machines are free and cross-platform, so you can test your site today on your favorite device—even a Mac.

Microsoft Edge shown on mobile and desktop devices

Track platform features in the Microsoft EdgeHTML rendering engine

Experiences powered by Microsoft Edge and the latest web standards

Family Friendly

Filter the type of content you receive in your searches

user select

Fine-tune what and how users can select content in your website

JavaScript TypedArrays

Read the file contents of a file using the File API, Blob and Typed Arrays

Touch Effects

This page contains a canvas element registered for DOM touch events. Special effects are applied in response to touch and gesture on the canvas. The buttons control simulation settings. This demo supports multitouch on Windows 8.