Design and publish multi-client carousels without brand drift
Stop spending 45–90 minutes per client article in Canva. Create on-brand Instagram and Facebook carousels with smart graphics and a separate brand for every client, then schedule them live.
Built for agencies managing social production for 5–20 client brands.
5 free generations a week during beta. Don’t want to join beta? Join the waitlist for launch
Source · Newsletter
Slow mornings: three rituals for a calmer start



One source in. A finished carousel out.
Source · Newsletter
Slow mornings: three rituals for a calmer start
“This week: why the first ten minutes decide the whole day, and three small rituals that make mornings calmer…”
Linden & Rye · One newsletter → a 4-slide Instagram carousel (4:5)
Source · Podcast transcript
How referral loops compound for B2B SaaS
“The best referral programs don’t wait for customers to volunteer. They time the ask right after a win, while the momentum is still there…”
Fernlow · One transcript → a 4-slide Instagram carousel (4:5)
Sample brands, made with Postner’s built-in templates.
The status quo trap
Account teams burn hours copying text into drag-and-drop tools and chasing layout fixes, while AI image tools violate brand guidelines.
- 0145–90 minutes per article in the Manual Canva Loop
- 02AI Prompt Lottery: overlapping text and off-brand colors
- 03Shared templates that bleed across clients
- 04Manual downloads before anything goes live
Same ideas. A fraction of the time.
- Source inputRe-writing prompts from scratch
- Visual designDrag-and-drop plus stock or random AI images
- Brand controlFragile shared templates
- PublishingExport, download, upload by hand
- Time spent45–90 minutes per carousel
- Source inputArticles, newsletters, drafts, transcripts
- Visual designOn-brand templates with smart graphics from your source
- Brand controlA separate brand, logo, colours, and voice per client
- PublishingSchedule and publish from Postner
- Time spentUnder 4 minutes per carousel
From a client’s article to an approved post.
Sources, angles, design, review, and publishing in one flow, without the Canva loop.
- 1
Add your sources
Paste article or newsletter links, YouTube videos, drafts, or transcripts. Mix several in one go.
link · youtube · text - 2
Pick your angles
Postner suggests post ideas from your sources. Choose the ones you want, or let it pick the strongest.
pick or skip - 3
Choose the design
Carousel or single post, format, and photo style. Postner writes the slides in your brand's voice and generates matching images in its colours, with its logo.
carousel · 4:5 · realistic - 4
Review and publish
Approve, edit, or reject each post, then schedule it to Instagram and Facebook, or download it.
approve · schedule · IG · FB
Built for how you actually work.
A separate brand per client so posts never mix
Smart graphics matched to each source and brand
Edit slides without rebuilding the carousel
Schedule and publish for every client from one place
Who Postner is best for.
Great fit
- Agencies running social for 5–20 client brands
- Teams turning client articles and newsletters into weekly carousels
- Account leads who want every post approved before it goes live
Not a great fit if
- You want a cheap all-in-one scheduler with free AI graphics
- You post now and then for a single hobby account
- Your clients need LinkedIn, X, or TikTok publishing today
What agencies ask us
Other use cases
Stop the Canva loop. Design and publish on-brand carousels today.
Turn articles, newsletters, drafts, or transcripts into carousels, posts, and stories with smart on-brand graphics in under 4 minutes, then schedule them to Instagram and Facebook.
5 free generations a week during beta. Don’t want to join beta? Join the waitlist for launch




