Cheatsheet - Twitter Image Sizes as of November 2017Dec132017

Categories: Design,Social Media

Awful images vs great images can be the difference between getting viewer attention, and being totally ignored.

Bringing attention to you and/or your brand is why you post on social media - so make your images work for you by making sure they're optimized using correct dimension and resolution criteria for each platform.

Twitter Image Size Cheatsheet

Header Photo Size – 1500x1500 pixels
Best upload size at 1500x500.
Upload an RGB JPG or GIF file less than 10 MB, for best results.
Upload as a PNG file if a logo or text is included in your image.

Profile Image Size – 400x400 pixels
Best upload size at 400x400, non equal square images will be cropped.
Displays at 200x200.
Displays as a cropped square.
Maximum file size 2 MB.

In-Stream Image Size – 440x220 pixels
Best upload size is 1024x512.
Twitter scales to 440x220.
Maximum visible dimension is 1024x512.
Minimum visible dimension is 440x220 (a 2:1 ratio).
Displays in-stream collapsed at 506x253.
Image file size maximum is 5 MB.
Animated GIF size maximum is 3 MB.

Any aspect between 2:1 and 1:1 is acceptable
File types: PNG, JPEG, or GIF are recommended.

Twitter Summary Card Image Size
Best upload size is 280x150, or larger.
Image file size maximum is 1 MB as JPG, PNG or GIF.
Title allows 70 characters maximum, description 200 characters maximum.

When to Post

According to Coschedule

Compiled data from 20 different “best times to post” studies for Twitter and found:

When to tweet:
To increase click-throughs and retweets:

5pm - 6pm

Specific days/times to tweet:
Wednesday at noon and from 5pm – 6pm
Monday through Friday at 12pm – 3pm and again at 5pm.

Include "please retweet" at the beginning of all posts.

@mention all individuals and/or companies you include in your content.

Engage on a daily basis with your followers to cultivate followers.
Tweets with images are most noticed.

Useful Tools
Twitter Analytics,


Twitter Help Center:

Twitter Image Help: