By default, Slack optimizes images that you upload and send to other users in your workspace. Optimization reduces the resolution of the image, but sends it faster. This is better if your internet service is bad. However, you may want to send a picture with the highest possible resolution. How do you prevent Slack from sending optimized, lower-quality photos?
In Slack's settings on your Android or iPhone, you can disable the sending feature. Optimized images, so you get the highest possible resolution. The higher the resolution, the more detailed the picture. This is required if the image is to be printed on a banner, prominently displayed on a Web site, or larger than usual in another scenario.
Disabling Image Enhancement
First, open the Slack app and run a conversation. At the top right, tap the three-point menu and then tap the Settings option at the bottom of the displayed menu.
Now go to "Advanced" and uncheck the box next to "Optimize images for upload ". Each picture you send now will be sent at the highest possible resolution.
Lets you take a look at the difference between optimized and Slack images at full resolution, the following image will appear in Slack, which was once sent with [Optimize] Uploading Images On (left) and Off (right). As you can see, the optimized image is 2.41 MB, while the non-optimized image is 3.09 MB.
It takes longer for the image to be sent to Slack, but it's worth a few seconds wait longer if you need a high resolution. Unfortunately, this does not work for pictures you receive. The sender must also have Optimize uploaded images disabled for high-resolution photos of them.
This article was created during the special coverage by gadget hacks about using your smartphone for productivity. Take a look at the entire productivity series.
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