Add a dash of personality to your tweets with the right sized photos and graphics by

Size Dimension (inch) Dimension (mm) Dimension (px)
Header Photo 5 x 1.67 in 127 x 42.33 mm 1500 x 500 px
Profile Photo 1.33 x 1.33 in 33.87 x 33.87 mm 400 x 400 px
Twitter Post 3.41 x 1.71 in 86.7 x 43.35 mm 1024 x 512 px
Cards Image 2.67 x 1.07 in 67.73 x 27.09 mm 800 x 320 px
Summary Card Image 0.93 x 0.5 in 23.71 x 12.7 mm 280 150 px

Although Twitter requires its users to limit the number of character counts to 280, the social platform remains to be very popular with 330 million monthly active users.
It is particularly useful for businesses, through their real-time interaction which serves as a communication and customer service tool.

While most people might not see this as a visual platform, Twitter does allow its users to post and share photos and videos on their feeds and profiles.

Profile photo
It’s important to upload an image for the profile photo be it image of yourself or for businesses, the logo of your business. The profile photo appear as 200 x 200 px square image but it is recommended to upload a 400 x 400 px image for better quality.

Twitter header
Followers and would-be followers who click on your profile will see your header on top of your page so it’s a great real estate to take advantage of. Ordinary users might add pictures of their family or a quote that captures their interests or personality while businesses might use it to highlight their product, service or tagline. The optimal header size is 1500 x 500 pixels with an aspect ratio of 3:1. Maximum file size should be 10 MB.

Image post
Twitter now allows its users to attach media such as photos, GIFs, and videos. Twitter allows you to add up to four photos at a time. Images are displayed at 1024 x 512 pixels and have a maximum file size of 5 MB.