1.biyaoyun imgtool
It can provide compression and modification of 1000 pictures at one time, which is suitable for Internet workers to use for a long time.
2.imagecompressor
https://imagecompressor.com/
uses a smart combination of the best optimization and lossy compression algorithms to shrink JPEG, GIF and PNG images to the minimum possible size while keeping the required level of quality.Upload up to 20 images. Wait for the compression to finish. Click thumbnails in the queue for quality setting. Use the slider to control the compression level and mouse/gestures to compare images.
3.Bulk Image Compressor
https://imagecompressr.com/
4.bulkimagecompressor
https://bulkimagecompressor.com/
5.imageoptimizer.net
http://www.imageoptimizer.net/Pages/Home.aspx
6.shortpixel
https://shortpixel.com/online-image-compression
7.tinyjpg
9.compress-or-die
https://compress-or-die.com/
10.simpleimageresizer
https://www.simpleimageresizer.com/
