Platform creative delivery

LinkedIn Ads
Creative Specifications

Published requirements, recommendations, and delivery guidance from the governed Cphere specification catalog.

Formats supported: Single Image Ads · Video Ads · Carousel Image Ads
Primary campaign uses: Not specified by platform
Last verified: Jul 31, 2026
Recommended delivery package: Not specified by platform
Catalog status: Current

Published catalog 5Published August 2, 2026

Quick delivery checklist

What to send Cphere

Final platform-ready creative
Approved copy and CTA
Destination URL and tracking parameters
Brand and legal requirements

Canonical records

Formats and placements

Single Image Ads

Published format-level guidance.

Current

Required

Not specified by platform

Placement-dependent

Not specified by platform

Cphere best practice

Not specified by platform

Feed

Required

File Types: JPG · PNG · GIF (250 frames or fewer)
Maximum File Size: 5 MB
Destination Url: 2,000 characters maximum with http or https prefix

Aspect Ratios: 1.91:1 at 1200x628 (min 640x360, max 7680x4320) · 1:1 at 1200x1200 (min 360x360, max 4320x4320) · 4:5 at 720x900 (min 360x640, max 2430x4320) pixels
Headline Limit: 70 characters or fewer to avoid truncation; 200 hard maximum
Intro Text: 150 characters or fewer recommended; 3,000 hard maximum
Description Limit: 100 characters recommended; 300 maximum

Placement-dependent

Not specified by platform

Cphere best practice

Not specified by platform

Video Ads

Published format-level guidance.

Current

Required

Not specified by platform

Placement-dependent

Not specified by platform

Cphere best practice

Not specified by platform

Feed

Required

Duration: 3 seconds to 30 minutes; 15–30 seconds recommended
File Size: 75 KB to 500 MB
File Types: MP4
Video Codec: H.264 or VP8; audio AAC or MPEG4 under 64 kHz
Frame Rate: Under 30 fps
Destination Url: 2,000 characters maximum with http or https prefix

Placement-dependent

Not specified by platform

Cphere best practice

Not specified by platform

Carousel Image Ads

Published format-level guidance.

Current

Required

Not specified by platform

Placement-dependent

Not specified by platform

Cphere best practice

Not specified by platform

Feed

Required

Card Count: 2–10
Maximum File Size: 10 MB
Maximum Dimensions: 4320x4320 pixels
File Types: JPG · PNG · GIF (non-animated)
Destination Url Limit: 2,000 characters

Placement-dependent

Not specified by platform

Cphere best practice

Not specified by platform

Delivery detail

File, copy, audio, and destination requirements

File requirements

Not specified by platform

Copy requirements

Not specified by platform

Audio requirements

Not specified by platform

Tracking requirements

Not specified by platform

Landing-page requirements

Not specified by platform

Prohibited or unsupported elements

No prohibited-element list is published for this record.

Interface-aware delivery

Safe zones

No verified safe-zone diagram is published for this placement. Do not infer pixel-safe areas.

Clearly separated guidance

Recommended best practices

No additional Cphere best-practice copy is published for this record.

Source transparency

Sources and verification

Last verified: Jul 31, 2026. Platform requirements may change; check these official references before final delivery.

LinkedIn Ads trademarks belong to their respective owners. Cphere does not imply endorsement or partnership.