How will 60fps 4K video be compressed when sent via WeChat? Netizen: This compression efficiency is first-class

As we all know, when sending videos via WeChat, no matter how high-definition the video is, it will be compressed into poor quality.

A netizen conducted a test. She sent a 12-second video with a resolution of 4096x2160, a frame rate of 59.94, and a total bit rate of 29801kbps.

As a result, the received video was completely changed. Although it was still 12 seconds, the resolution was only 640x336, the frame rate was 24, and the total bit rate was compressed to 439kpbs.

Not only is the video compressed, but the audio bit rate is also compressed from 198kbps to 49kbps, only 1/4 of the original.

Before compression After compression

It is understood that there are different size limits for different file types when transferring via WeChat. For example, the upper limit for document files is 100M, while the upper limit for video files is only 25M. This is why WeChat compression is so powerful.

Seeing how efficient WeChat is in compressing videos, netizens exclaimed:

The reason why Adobe suite is not selling well has been found

It turns out to be a green compression software

This compression efficiency is first-rate. Hidden attributes are discovered.

Some netizens also shared practical tips for this function:

When people in my company need to upload blue background photos, the size limit is 20k. They just send it via WeChat and then send it back. If it is still too big, they will send it again.

The uploaded ID photo is required to be no larger than 200kb. I originally wanted to convert it using Format Factory, but then I suddenly thought that I could upload it to the Green App. Sure enough, when I downloaded it, it was just over 180k.

That’s right, iPhone users compress videos and photos like this when they don’t want to open their computers.

If you want to transfer a video larger than 25M but smaller than 100M, and avoid compression during transfer, the easiest way is to change the video extension to M4V. WeChat will then "mistakenly treat" it as a document file, thus breaking the 25M upper limit for video files. >