Rather than looking up the number of pixels for image sizes and maximum character counts for sections of LinkedIn, would you like to have a handy list? 

Here is a list you can easily reference for current image sizes, character counts, or quantities of many of the most used items on LinkedIn. This list is not a comprehensive list of absolutely everything but will undoubtedly get you started and help plan for the space allowed. 

IMAGE SIZES (in pixels)

PERSONAL PROFILE

• Banner – 1584 x 396 (4:1 ratio)
• Profile photograph – 400 x 400 to 7680 x 4320 

COMPANY PAGE

• Company page logo image – 300 x 300
• Company page cover image – 1192 x 220

CAREER PAGE

• Logo – 268 x 268
• Cover Page – 1128 x 191
• Life Main Image – 1128 x 376
• Life Custom Modules – 502 x 282
• Life Company Photos – 264 x 176 minimum and 900 x 600 recommended

ARTICLES

• Cover Image – 2000 x 600

CHARACTER LIMITS 

(which include spaces, numbers, symbols, and emojis)

PERSONAL PROFILE

• First Name – 20 
• Last name – 40 
• Former name – 50
• Headline – 220
• Vanity (custom) URL – 5 to 30 after the www.linkedin.com/in/
• Phone number – 25
• Address – 1000
• Website – 256
• Website text – 30
• IM section – 25
• About – 2600 
• Position title – 100 
• Position description – 2000 
• Recommendations – 3000
• Posts – 3000 
• Comments – 1250 
• Personal message invitation – 300
• Recorded message – 1 minute
• Skills – 50

ARTICLES

• Article headline – 100
• Articles – 125,000 
• Article photo credit – 250
• Article body – 40,000 

COMPANY PAGE

• Company name – 100
• Company page description – 200 to 1500
• Company status update – 700

NUMBERS ABOUT GROUPS

• Maximum number of groups a member can join – 100
• Number of groups a member can create in one day- 5
• Number of groups a member can delete in one day – 30
• Membership limit for one group – 2.5 million
• Number of owners a group can have – 10
• Number of managers a group can have – 20
• Number of groups a member can manage – 30
• Number of groups with pending request to join- 20
• Character limit for group posts – 3000
• Number of mentions in one conversation – 20
• Character limit for comments – 1200
• Group logo – 60 x 60 to 92 x 92
• Group cover image – 1776 x 444

OTHER NUMBERS FOR THE RECORD

NUMBER OF 1ST DEGREE CONNECTIONS – maximum is 30,000

CHARACTER LIMIT FOR INVITATION TO CONNECT MESSAGE – 300

MAXIMUM NUMBER OF INMAIL MESSAGES PER MONTH (depends on subscription)

• Premium Career – 5
• Premium Business – 15
• Sales Navigator – 20
• Recruiter Lite – 30

INMAIL MESSAGE CHARACTERS – 200 (subject line) and 2000 (characters in the body)

EVENTS 

• Title – 75 
• Broadcast link – 1024
• Description 0 5000
• Ticketing website – 1024

VIDEO FILES 

• Maximum size – 5GB
• Minimum Size – 765 KB
• Maximum duration – 15 minutes (from desktop) and 10 min (form mobile app)
• Minimum duration – 3 seconds
• Resolution range 256 x 144 to 4096 x 2304
• Aspect Ratio – 1:2.4 to 2.4:1
• Frame rates – 10fps to 60 fps
• Bit rates 192 kbps to 30 Mbps

Although there are far more significant numbers, these are probably the most frequently used. I hope this helps you to plan accordingly.

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