Tencent submitted a patent application to the State Intellectual Property Office on an image coding technology called Tiny Portable Graphics, or TPG. TPG image file size is smaller than JPG/JPEG, PNG, GIF, and Google’s WebP based on a released experiment data.
Compress JPG to TPG using Libjpeg (reduced 44%)
Compress JPG to TPG using Guetzli (reduced 41%)
Compress PNG to TPG (reduced 50%)
Compress GIF to TPG (reduced 94%)
Compress WebP to TPG (reduced 29%)
Image quality comparison between TPG and JPEG images with the same file size
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Tencent will sucess