The LinkedIn organic social spec hub

The LinkedIn organic social spec hub

Organic social

Working on building brand awareness or fostering a community on LinkedIn?
Chances are you’re using an organic approach to social. Find all the format recommendations, creative
requirements, and video best practices to bring your organic LinkedIn publishing strategy to life.

Looking for paid social specs for LinkedIn?

Visit our paid social spec hub

Single Image

Create more engaging posts. On desktop and mobile.

Copy recommendations

Introductory text: 150 characters to avoid truncation across all devices

Maximum character count: 3,000 characters

Design recommendations

File type: JPG or PNG

File size limit: 5MB

Square

Aspect ratio: 1:1

Recommended size: 1200 x 1200 pixels

Horizontal

Aspect ratio: 1.91:1

Recommended dimensions: 1200 x 628 pixels

Vertical

Aspect ratio: 4.5

Recommended dimensions: 960 x 1200 pixels

Carousel

Tell an interactive story with up to 20 images and videos.

Please note: This feature is being gradually rolled out. You can only create carousels on the desktop site but can view them on the desktop or the LinkedIn mobile app.

Copy recommendations

Introductory text: 150 characters to avoid truncation across all devices

Maximum character count: 3,000 characters

Design recommendations - Photo/Image

File type: JPG, JPEG, or PNG

Minimum dimensions: 552 x 276 pixels

File size limit: 5MB

Design recommendations - Video

File type: MP4, MPEG-1 and MPEG-4, ASFFLV, MKV, WebM, H264/AVC, VP8 and VP9, WMV2, and WMV3

Minimum file size: 75KB

Maximum file size: 5GB

Minimum video duration: 3 seconds

Maximum video duration: 15 minutes when uploading from desktop

Video

Engage and impress with video. For your personal or company page.

Copy recommendations

Introductory text: 150 characters to avoid truncation across all devices

Maximum character count: 3,000 characters

Video title: 150 characters maximum

Design recommendations

File size: 75KB – 5GB

Video duration: 3 seconds – 10 minutes

Frame rates: 10 – 60 frames per second

Bit rates: 192 kbps – 30 Mbps

File type: AAC, ASF, FLV, MP3, MP4, MPEG-1, MPEG-4, MKV, WebM, H264/AVC, Vorbis, VP8, VP9, WMV2, or WMV3

Square

Aspect ratio: 1:1

Recommended dimensions: 1920 x 1920 pixels

Landscape

Aspect ratio: 1:2.4 (16:9)

Recommended dimensions: 1920 x 1080 pixels

Vertical

Aspect ratio: 4:5

Minimum: 360 x 450 pixels

Maximum: 1080 x 1350 pixels

Document

Showcase your hero assets. Directly in the LinkedIn Feed.

Copy recommendations

Introductory text: 150 characters to avoid truncation across all devices

Maximum character count: 3,000 characters

Document title: 58 characters maximum

Design recommendations

Aspect ratio: 1:1

Recommended dimensions: 1200 x 1200 pixels

File type: PDF (recommended), PPT, PPTX, DOC, or DOCX

File size limits: 100MB or 300 pages 

Polls

Bring your audience into the conversation. One question at a time.

Copy recommendations

Introductory text: 150 characters to avoid truncation across all devices

Maximum character count: 3,000 characters

Poll questions: 140 characters maximum

Poll answers: Up to four answers at 30 characters maximum

Poll options

Poll duration: one day, three days, one week, or two weeks

Editable fields: Polls cannot be edited once published. A poll can be deleted once created

Poll results: Page admins can view all votes down to a member level

Voting: Members can only vote on a poll once at a time. If a member removes the vote before the poll is closed, they can vote again provided the poll is still open

Your Company Page

Showcase your company’s latest updates. Direct on LinkedIn.

Company logo

Recommended dimensions: 268 x 268 pixels

Format: JPG or PNG

Company cover image

Recommended dimensions: 1128 x 191 pixels

Life tab (optional)

Main image: 1128 x 376 pixels (recommended)

Custom modules image size: 502 x 282 pixels (recommended)

Company photos image size: 900 x 600 pixels (recommended)

Your Profile Page

Brand yourself your way. Tell your professional story.

Profile photo

Recommended dimensions: 400 x 400 pixels

Maximum: 7680 x 4320 pixels

File size: Up to 8MB

Profile cover photo

Recommended dimensions: 1584 x 396 pixels

Aspect ratio: 4:1

File size: Up to 8MB

Transmission is a full-service B2B agency with a long record of creating award-winning LinkedIn content and creative.

As a LinkedIn Marketing Partner, we help our clients deliver innovative in-platform experiences driven by creative that distracts. And we do it all in a single, unified offering.

Get in touch