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Narayan Prasath · 2026-01-14

LinkedIn Video Ad Specs and Requirements (2026)

Complete LinkedIn Video Ad specs for 2026. Video dimensions, file sizes, length limits, formats, and best practices for high-performing video ads.

LinkedIn Video Ad Specs and Requirements (2026)

TL;DR: LinkedIn Video Ads support 1920x1080px (16:9 horizontal), 1080x1920px (9:16 vertical), or 1080x1080px (1:1 square). Max file size: 200MB. Length: 3 seconds to 30 minutes (3-15 seconds optimal for feed). MP4 format recommended. 30 FPS. Under 30 seconds gets auto-play; over 30 seconds requires click to play.

Quick Reference Table

SpecRequirementRecommended
Aspect ratio16:9, 1:1, 9:16, 2.4:1, or custom1:1 (square) for mobile
ResolutionMin 360p1080p (1920x1080 for 16:9)
File sizeMax 200MBUnder 50MB for fast loading
Video length3 seconds - 30 minutes6-15 seconds for feed ads
File formatMP4, MOV, AVI, ASF, FLV, MPEG-1, MKV, WebM, WMVMP4 (H.264 codec)
Frame rate30 FPS recommended30 FPS
AudioOptional but recommendedYes, with captions
BitrateMax 5 Mbps3-5 Mbps
ThumbnailAuto-generated or custom uploadCustom (1920x1080px JPG/PNG)
CaptionsAuto-generated or SRT uploadUpload SRT for accuracy
Introductory textMax 150 characters100-130 characters

LinkedIn Video Ad Aspect Ratios

LinkedIn supports 5 aspect ratios:

1:1 Square (Recommended)

Dimensions: 1080 x 1080 pixels Aspect ratio: 1:1

Why recommended:

Best for:

16:9 Horizontal (Landscape)

Dimensions: 1920 x 1080 pixels Aspect ratio: 16:9

Why use:

Trade-offs:

Best for:

9:16 Vertical (Portrait)

Dimensions: 1080 x 1920 pixels Aspect ratio: 9:16

Why use:

Trade-offs:

Best for:

2.4:1 Ultra-Wide

Dimensions: 2400 x 1000 pixels (or similar) Aspect ratio: 2.4:1

Why use:

Trade-offs:

Best for:

Custom Aspect Ratios

LinkedIn accepts custom ratios between 1:2.4 and 2.4:1.

Example accepted:

Not recommended: Stick to standard ratios (1:1, 16:9, 9:16) for best results.

Video File Specifications

Supported File Formats

MP4 (most common, recommended) ✅ MOV (Apple QuickTime) ✅ AVI (Audio Video Interleave) ✅ ASF (Advanced Systems Format) ✅ FLV (Flash Video) ✅ MPEG-1 (Moving Picture Experts Group) ✅ MKV (Matroska Video) ✅ WebM (Web Media) ✅ WMV (Windows Media Video)

Best practice: Export as MP4 with H.264 codec for maximum compatibility.

Video Codec

Recommended: H.264 (AVC) Alternative: H.265 (HEVC) for smaller file sizes

Audio codec: AAC (Advanced Audio Coding)

Export settings:

File Size Limits

Maximum: 200MB per video Recommended: Under 50MB

Why smaller is better:

How to reduce file size:

Video Length

Minimum: 3 seconds Maximum: 30 minutes Optimal: 6-15 seconds for feed ads

Auto-play threshold:

Length by objective:

Performance data:

Recommendation: Keep under 15 seconds for maximum reach.

Frame Rate

Recommended: 30 FPS (frames per second) Acceptable: 24 FPS, 60 FPS Avoid: Under 24 FPS (appears choppy)

Cinematic look: 24 FPS Smooth motion: 30 FPS Sports/action: 60 FPS (but large file size)

Most common: 30 FPS balances quality and file size.

Resolution and Quality

Minimum resolution:

Recommended resolution:

Higher resolutions:

Best practice: 1080p provides excellent quality at reasonable file size.

Bitrate

Maximum: 5 Mbps (megabits per second) Recommended: 3-5 Mbps

Lower bitrate:

Higher bitrate:

How to check bitrate:

Audio Specifications

Audio Requirements

Audio track: Optional but highly recommended

Why include audio:

Audio codec: AAC Sample rate: 44.1 kHz or 48 kHz Bitrate: 128 kbps minimum, 192-320 kbps recommended Channels: Stereo (2 channels)

Captions/Subtitles

LinkedIn auto-generates captions for all videos.

Why you should upload custom captions:

How to add custom captions:

  1. Create SRT file (SubRip Text format)
  2. Campaign Manager > Upload video
  3. Click "Add captions"
  4. Upload .srt file

SRT file structure:

1
00:00:00,000 --> 00:00:03,000
Welcome to our product demo.

2
00:00:03,000 --> 00:00:06,000
Here's how it works.

Free tools to create SRT:

Sound-Off Viewing

Design for sound-off:

Best practices:

Video Thumbnail Specifications

Auto-Generated vs Custom Thumbnail

Auto-generated:

Custom thumbnail:

Custom Thumbnail Specs

Dimensions: 1920 x 1080 pixels (16:9) File format: JPG or PNG File size: Under 2MB Aspect ratio: 16:9 (LinkedIn crops if different)

Design best practices:

Tools to create thumbnails:

Video Ad Text Specifications

Introductory Text

Character limit: 150 characters Appears: Above video in feed Best practices:

Examples:

Good: "Our customers save 10 hours/week with this feature. See how in 60 seconds." (77 characters, clear benefit, creates curiosity)

Bad: "Check out our latest video showcasing our product features and capabilities." (78 characters, vague, no hook)

On-Screen Text

Best practices for text in video:

Text hierarchy:

Video Ad Performance Optimization

First 3 Seconds Rule

80% of users decide to watch or scroll within 3 seconds.

Hook viewers immediately:

Bad starts:

Good starts:

Video Length by Placement

Feed ads (in-stream):

Video views campaigns:

LinkedIn Live:

Mobile Optimization

Design for mobile first (80% of views):

Audio Strategy

Best practice: Include audio AND design for sound-off

How:

Call-to-Action

On-screen CTA (last 3-5 seconds):

End screen:

Common Video Ad Formats on LinkedIn

Format 1: Product Demo

Length: 30-60 seconds Structure:

Aspect ratio: 1:1 or 16:9

Format 2: Customer Testimonial

Length: 15-30 seconds Structure:

Aspect ratio: 16:9 or 9:16 (interview style)

Format 3: Social Proof/Stats

Length: 10-15 seconds Structure:

Aspect ratio: 1:1 (text-heavy, works on mobile)

Format 4: Thought Leadership

Length: 60-90 seconds Structure:

Aspect ratio: 16:9 (talking head or presentation)

Format 5: Event Promotion

Length: 15-30 seconds Structure:

Aspect ratio: 1:1

Video vs Other LinkedIn Ad Formats

FactorVideoCarouselSingle ImageDocument
Engagement rateHigh (1-3%)Medium (0.8-1.5%)Medium (0.4-0.8%)High (2-5%)
Production costHighLow-MediumLowMedium
StorytellingExcellentGoodLimitedExcellent
Mobile experienceExcellentGoodGoodExcellent
Best forBrand awareness, demos, testimonialsMulti-feature productsSimple messagesLong-form content
Time to createHours-days30-60 min15-30 min1-2 hours

Use video when:

Troubleshooting Video Upload Issues

Issue 1: "File Too Large" Error

Fix:

  1. Use HandBrake or similar compression tool
  2. Reduce resolution: 1080p → 720p
  3. Lower bitrate: 5 Mbps → 3 Mbps
  4. Shorten video: 60s → 30s

Issue 2: Video Won't Upload

Causes:

Fixes:

  1. Re-export as MP4 with H.264
  2. Try different browser
  3. Clear browser cache
  4. Upload from faster internet connection

Issue 3: Poor Quality After Upload

Causes:

Fixes:

  1. Upload 1080p source
  2. Use higher bitrate (4-5 Mbps)
  3. Export with minimal compression (LinkedIn compresses automatically)

Issue 4: Thumbnail Not Appearing

Cause: Custom thumbnail wrong dimensions

Fix: Re-export thumbnail as 1920x1080px JPG

Issue 5: Captions Not Syncing

Cause: SRT file timing errors

Fix:

  1. Check SRT format (timestamp structure)
  2. Use subtitle editor to verify sync
  3. Re-export SRT with correct timestamps

Export Settings by Software

Adobe Premiere Pro

Recommended settings:

Final Cut Pro

Recommended settings:

iMovie

Export:

Canva

Export:

HandBrake (Compression)

Settings:

Glossary

TermDefinition
Aspect ratioRatio of video width to height (16:9, 1:1, 9:16)
BitrateAmount of data per second in video (measured in Mbps)
CodecCompression algorithm (H.264, H.265)
FPSFrames per second (24, 30, 60)
ResolutionVideo dimensions in pixels (1920x1080 = 1080p)
SRTSubRip Text file format for captions
ThumbnailImage displayed before video plays
View-through ratePercentage of viewers who watch to end
Auto-playVideo starts playing automatically when scrolled into view
MP4Most common video file format (container)

Verification Checklist

Before uploading video ad:


Screenshot List:

  1. Campaign Manager ad creation with video upload interface (Create ad > Video ad > Upload video button)
  2. Video upload progress bar (After selecting video > Upload progress 0-100%)
  3. Video player preview in Campaign Manager (After upload > Preview with play controls)
  4. Aspect ratio options selector (Video settings > Aspect ratio dropdown)
  5. Custom thumbnail upload interface (Video settings > "Upload thumbnail" button)
  6. Caption upload option (.srt file) (Video settings > "Add captions" > Upload SRT)
  7. Video ad preview in desktop feed (Preview tab > Desktop view with video)
  8. Video ad preview in mobile feed (Preview tab > Mobile view with video)
  9. Video analytics showing completion rate (Campaign performance > Video metrics)
  10. Video export settings in Adobe Premiere (Premiere > Export settings > H.264 with specs)
  11. HandBrake compression interface (HandBrake app > Preset and quality settings)
  12. Example video ad with text overlays (Live example showing on-screen text and CTA)