chrome.tab.captureVisibleTab full Get the full size capture at chrome.tabs.captureVisibleTab. Usage require('babel-core/polyfill'); var captureVisibleTabFull = new CaptureVisibleTabFull(); captureVisibleTabFull.capture({tab}).then(function (canvas) { canvas.toDataURL(); }); License MIT License See also chrome.tabs - Google Chrome mrcoles/full-page-screen-capture-chrome-extension