Choosing a video format for LinkedIn organic posts
MP4 is a documented option for organic LinkedIn video on desktop, iOS and Android. This is a compatibility-oriented default, not a proven best format across ads and every publishing surface. A listed extension can still contain an unsuitable codec.
Fix it
- Convert it to MP4
This browser converter accepts files up to 100 MB, re-encodes them and can lose quality. Convert a copy from the original and preview the generated video and audio before uploading it yourself.
Convert to MP4
Platform reference and evidence
These reference values have partial source coverage. Ratios and dimensions are editing guidance; account and upload-surface limits can differ. Approximate or unknown values do not certify eligibility.
- Platform
- Editing ratio
- 16:9 or 9:16
- Max length
- up to 15 minutes for organic video
- Max file size
- 5 GB for organic video
Duration and size: reference and limitations. Approximate values still need confirmation in your composer.
Format reference scope: Organic video on desktop, iOS and Android; not video ads. Source checked 2026-09-12; this does not verify every reference field. LinkedIn: Video sharing troubleshooting
Why this choice
MP4 appears in the organic upload format list for desktop, iOS and Android.
Organic video only; no claim about all ad or API upload surfaces. Official reference
Prepare a copy in Koldflux, review its output and check the current destination requirements before publishing.
Automate this in Koldflux