PostnerBeta
For boutique & mid-sized agencies

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

Linden & Rye carousel cover: Slow mornings, 3 rituals for a calmer start.
< 4 minSource to carousel
5Instagram & Facebook formats
Link · YouTube · textSource types
5 freeBeta generations a week
See it in action

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 carousel cover: Slow mornings, 3 rituals for a calmer start.
  • Linden & Rye slide 01: Let in the light.
  • Linden & Rye slide 02: Mindful brewing.
  • Linden & Rye slide 03: Gentle movement.

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 carousel cover: Referral loops aren't luck.
  • Fernlow slide: Build the loop on purpose.
  • Fernlow slide on blue: Time the ask.
  • Fernlow closing slide: Steal the 3-point blueprint.

Fernlow · One transcript → a 4-slide Instagram carousel (4:5)

Sample brands, made with Postner’s built-in templates.

The problem

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
Old way vs Postner

Same ideas. A fraction of the time.

The old way45–90 minper carousel, by hand
  • 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
With Postner< 4 minfrom source to 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
How it works

From a client’s article to an approved post.

Sources, angles, design, review, and publishing in one flow, without the Canva loop.

  1. 1

    Add your sources

    Paste article or newsletter links, YouTube videos, drafts, or transcripts. Mix several in one go.

    link · youtube · text
  2. 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. 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. 4

    Review and publish

    Approve, edit, or reject each post, then schedule it to Instagram and Facebook, or download it.

    approve · schedule · IG · FB
Why this works

Built for how you actually work.

/ 01

A separate brand per client so posts never mix

/ 02

Smart graphics matched to each source and brand

/ 03

Edit slides without rebuilding the carousel

/ 04

Schedule and publish for every client from one place

Is it a fit?

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
Questions, answered

What agencies ask us

Yes. Each client is its own brand in Postner, with its own logo, colours, voice, and formats, imported from its website. Every post is made against one brand, so nothing crosses over.

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