Schedule LinkedIn multi-image posts
A LinkedIn post with several photos shows them as a grid people tap through. Postika schedules them with up to 9 images per post.
LinkedIn multi-image post publishing specs
Limits Postika checks before scheduling
| Images per post | 20 learn.microsoft.com |
|---|---|
| Caption length | 3000 linkedin.com |
| Image formats | JPG, PNG, GIF learn.microsoft.com |
| Image size | < 36,152,320 px learn.microsoft.com |
| Alt text | 4086 learn.microsoft.com |
Official limits from the network's documentation (checked November 5, 2026). Postika enforces its own limits where they are lower.
Step by step
- 1
Export the photos as JPG, PNG or GIF.
- 2
Create a post in the brand's project and select the LinkedIn channel.
- 3
Upload 2 to 9 images in the order you want them shown.
- 4
Write the post text, up to 3,000 characters.
- 5
Preview and schedule, or leave it pending approval.
Multi-image posts vs document carousels
LinkedIn has two "carousel-like" formats, and it is worth being precise:
- Multi-image posts: several images in one post, shown as a grid that opens into a gallery. LinkedIn's API supports them for organic posts, with 2 to 20 images. Postika allows up to 9.
- Document posts: a PDF uploaded as a swipeable document. This is what people often mean by "LinkedIn carousel". Postika does not publish these.
LinkedIn's API documentation also notes that its organic "carousel" ad format is for sponsored content only. If your plan relies on PDF documents, publish those from LinkedIn and schedule the rest in Postika.
When multi-image posts work best
- Events and offsites: four to six photos tell the story better than one.
- Product launches: the product, a detail, a person using it.
- Before and after: two images side by side.
- Team and hiring posts: faces get attention on LinkedIn.
Put your best image first; it is the largest in the grid. The text still carries the post on LinkedIn, so write it as carefully as you would a text-only post: hook in the first line, short paragraphs, a clear point. Add alt text to images in LinkedIn when accessibility matters; LinkedIn's API supports long alt text.
Image rules from LinkedIn
LinkedIn's API accepts JPG, PNG and GIF images (GIFs up to 250 frames), with a very large maximum pixel count, so file size is rarely an issue for normal photos. A multi-image post needs at least 2 images.
The same set of images can go to an Instagram carousel (up to 10 in Postika) with a different caption. For text length, compare networks with the character counter.
Drafting multi-image posts with your AI
An AI connected through Postika's MCP server can write the LinkedIn text and create the post, but cannot upload the photos. Ask it for a draft and add the images yourself:
"Write a LinkedIn post about our team offsite in Lisbon, under 1,200 characters, warm but professional, ending with a hiring line. Create it as a draft for Tuesday at 8:30."
Then open the draft in Postika, add the photos and approve. Setup: Claude for LinkedIn. More LinkedIn tips in the LinkedIn scheduler guide.
Frequently asked questions
How many images can a LinkedIn post have?
LinkedIn's API allows multi-image posts with 2 to 20 images. In Postika the limit is 9 images per post.
Can I schedule a LinkedIn PDF carousel with Postika?
No. Postika does not publish LinkedIn document posts. Use a multi-image post instead, or publish the PDF from LinkedIn.
Can I mix images and a video in one LinkedIn post?
LinkedIn multi-image posts contain images only. For a video, create a separate LinkedIn post; Postika allows one video per post.
Do multi-image posts get more reach than single images?
There is no official rule. Use them when several images genuinely tell the story better, and compare results in LinkedIn's analytics.
Keep reading
- Schedule LinkedIn posts that go out on timeSchedule LinkedIn posts with text, up to 9 images or a video. Postika checks the 3,000-character limit and can hold posts until you approve them.
- Schedule Instagram Reels ahead of timeSchedule Instagram Reels from a calendar: upload a vertical video, write the caption and Postika publishes it at your set time through Instagram's API.
- Schedule Instagram carouselsSchedule Instagram carousel posts with up to 10 images in Postika. Order the slides, write one caption and publish at the time you set.
- Schedule TikTok photo carouselsSchedule TikTok photo carousels with up to 35 images in Postika. Upload the photos, write the caption and publish automatically at your chosen time.
- LinkedIn posts in your voice, written by ClaudeTurn your notes, talks and docs into LinkedIn posts in your own voice with Claude, scheduled in Postika. Text-only works; up to 9 images in the app.