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Save object as .json file from Chrome Devtool

A simple way to save objects as .json files from the console, includes a chrome extension along with a plain script.

Usage, [fileName])

Data can be a string or just an object, objects are passed through json.stringify() before writing to file. Filename is optional, defaults to 'console.json'.

Console save json as file demo

(function (console) { = function (data, filename) { if (!data) { console.error(' No data') return; } if (!filename) filename = 'console.json' if (typeof data === "object") { data = JSON.stringify(data, undefined, 4) } var blob = new Blob([data], { type: 'text/json' }), e = document.createEvent('MouseEvents'), a = document.createElement('a') = filename a.href = window.URL.createObjectURL(blob) a.dataset.downloadurl = ['text/json',, a.href].join(':') e.initMouseEvent('click', true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null) a.dispatchEvent(e) } })(console)
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