Build, preview, and export LinkedIn document post slides in your browser. Add slides, choose a theme, generate a starter outline from any topic, then copy or download your content. No signup needed.
Your Carousel Title
The hook that makes readers swipe to the next slide.
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The Problem
Describe the pain point your audience recognizes immediately.
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The Key Insight
One clear, actionable idea. Keep it to three or four lines maximum.
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Export your carousel
Copy text to paste anywhere, or download as a .txt file. To post on LinkedIn, convert slides to PDF using any PDF tool or Google Slides.
Coming up with the right topic, angle, and hook for each carousel is usually where creators get stuck. Tools like Lifast analyze your product and audience to generate full LinkedIn post ideas and outlines, including carousel angles, so you always have a compelling topic ready before you open this builder.
LinkedIn document posts (the format used for carousels) consistently outperform standard text and image posts on organic reach. The mechanism is dwell time: when a reader swipes through slides, LinkedIn's algorithm registers a prolonged interaction with your post. That sustained engagement signals relevance, which triggers wider distribution to second-degree connections.
Carousels also generate a disproportionate number of saves and shares compared to other formats. Readers save carousels as reference material when the content is genuinely useful, and each save is a strong positive signal to the algorithm. A well-designed 8-slide carousel covering a specific, practical topic can generate five to ten times more saves than an equivalent text post covering the same idea.
Every high-performing carousel follows the same skeleton. The cover slide carries all the weight: it needs to create enough curiosity or promise enough value that the reader swipes to slide two. A strong cover states a specific outcome, a contrarian claim, or opens a story mid-scene. Generic openers like 'X tips for Y' still work, but numbered specificity ('7 cold outreach mistakes' vs 'cold outreach tips') consistently outperforms.
Slides two through the second-to-last carry the substance. The golden rule is one idea per slide. Cramming a slide with text guarantees readers stop swiping. The final slide should be a clear call to action: follow for more, comment with a reaction, or save this for later. Ending without a CTA leaves conversion on the table.
LinkedIn displays carousels as document posts, rendered at roughly a square aspect ratio on desktop and portrait on mobile. Square slides (1080 x 1080 px) are the safest format because they render well on both. Portrait (1200 x 1500 px) gives more vertical space for text-heavy slides but crops to a smaller thumbnail in the feed.
Length sweet spot is 6 to 12 slides. Below 6 slides, the carousel often does not feel substantive enough to save. Above 12 slides, completion rates drop and the average dwell time per slide falls, weakening the algorithm signal. The optimal carousel length for most B2B topics is 8 slides: a hook, a problem, three to four insight slides, a recap, and a CTA.
Lifast drafts carousel topics, hooks, and outlines from your product URL so you always have high-reach content ready to build.
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Everything you need to know about building and posting LinkedIn document carousels.
A LinkedIn carousel is a multi-slide document post that readers swipe through in their feed. You upload a PDF as a document post, and LinkedIn renders it as a swipeable carousel. Each page of the PDF becomes one slide. Carousels are one of the highest-reach organic formats on LinkedIn because they generate strong dwell-time signals that trigger wider algorithmic distribution.
Between 6 and 12 slides is the widely recommended range. The sweet spot for most B2B topics is 8 slides: a hook/cover, a problem slide, three to four insight slides, a recap, and a clear CTA slide. Below 6, the content rarely feels complete enough to save. Above 12, completion rates drop significantly, weakening the algorithmic signal the post sends.
Square slides at 1080 x 1080 pixels are the safest choice because they render cleanly on desktop, mobile app, and mobile web without cropping. Portrait slides at 1200 x 1500 pixels give more vertical space for text-heavy content but appear smaller in the feed thumbnail. Landscape slides (1920 x 1080) are not recommended as they compress poorly in the document viewer.
Export your slides as a PDF (each slide is one page). In the LinkedIn post composer, click the document icon (the page icon next to the photo icon), upload your PDF, add a caption with your hook text, and publish. LinkedIn will automatically render the PDF as a swipeable carousel in the feed. You cannot post a carousel as a series of images; it must be a PDF document.
On average, yes. Carousels generate significantly more saves and shares than text-only posts on comparable topics, and saves in particular are a strong algorithmic signal. The dwell time from swiping through slides also registers as a positive engagement signal. The tradeoff is that carousels take more time to produce. For time-sensitive topics, a text post with a strong hook can outperform a mediocre carousel.
No. The carousel maker runs entirely in your browser. Your slide content is never sent to a server, stored in a database, or logged anywhere. Everything lives in your browser's memory while the page is open. Refreshing the page resets your slides, so copy or download your content before closing the tab.