Earlier this year, Maxthon announced a deal with Pioneer Electronics to enable users to browse the Web from an in-car touch-screen device.

WSJ: Web Browsers Are Reinvented

Mr. Mattson of Maxthon says integrated features are more convenient for users.

WSJ: Web Browsers Are Reinvented

"It's clear we're shifting to a multi-device world and that creates a lot of pain points, " says Karl Mattson, vice president and general manager of Maxthon, which has about 220 employees.

WSJ: Web Browsers Are Reinvented

The little-known software, which Maxthon says has some 120 million monthly users, more than half of them in China, aims to capitalize on consumers' desires to access their files from a range of devices.

WSJ: Web Browsers Are Reinvented