Hire a Developer for Chrome Extensions Development.

You can add functionality to chrome or other web browsers (opera, firefox, safari) without diving deeply into native code.

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Some most popular browser extensions:

• AdBlock: Blocks YouTube, Facebook, and ads everywhere else on the web.
• Save to Pocket: extension allows you to add the article into your pocketapp account so you can read it later.
• AlexaRank: See websites alexa rank direct into your browser without leaving the page.
• LastPass: Saves your passwords and gives you secure access with only one password