The online image compressor. Reduce image size of JPEG, PNG files online. Compress images and photos for displaying on web pages. Compressing image with HTML5 canvas. - Read the files using the HTML5 FileReader API. Image file to base64 format. - Send the image to the canvas. The canvas size is set to desired output size. - On backend, read the dataURI, decode from Base64, and save it GitHub: https://github.com/andy6804tw/compressor Website: https://andy6804tw.github.io/compressor/