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I am trying to build a web tool to resize bulk images. But, uploading to server is taking too much time. Is there any way, I can do the resizing in the browser itself or anything else?

I found a website which does the resizing in the browser. https://bulkresizephotos.com/en

Is there any idea what is the logic behind this?

Jatin saini
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  • You can have a look at how [compressor.js](https://github.com/fengyuanchen/compressorjs) does it or even use it for your task. – trixn Mar 19 '21 at 09:31
  • https://codepen.io/warrenkc/pen/vYxdXzr Here is a sample for you to look at. – user1605822 Jun 04 '21 at 04:15

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You can use FileReader and Canvas in order to load images locally and draw them in a specific size on your canvas. After that you can load the canvas into a new image using toDataURL.

rauberdaniel
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