A secondary fit, described honestly
You already know how to make the carousel.
The hard part is getting it onto the client's LinkedIn.
Right now that takes a design tool to make the deck and a scheduler to push it out, once per client, every week. Blendin generates the carousel in your client's brand and publishes it: the native LinkedIn PDF document, the Instagram carousel, and the first comment in the same act. Your client authorises their own LinkedIn, so nobody shares a password.
Read this part first
Blendin is built first for B2B services companies with no marketing department: the managed IT provider, the distributor, the logistics firm, the commercial cleaning company, the staffing agency. That is who it is designed around, and it is where the product is going.
The overlap with freelance work is real, because producing a piece in somebody else's brand and getting it published is the same job either way. So if you write and design for one or two clients, most of this page applies to you unchanged. If your business is ten clients with a roster of approvals and a monthly reporting pack for each, say so to yourself now: a tool built for that will serve you better, and we name a few.
Three things a design tool does not do
Not because it is worse. Because a content planner bolted onto a design tool is built for the lowest common denominator of every network: one image, one caption.
The native LinkedIn PDF carousel
LinkedIn treats a swipeable PDF as a Document post, on a different upload endpoint from an image. A design tool exports the file and stops. Blendin makes the deck in your client's brand and uploads it as a document, so the format with the highest engagement on the platform stops being the one you post by hand, on the day, from your phone.
The Instagram carousel, 2 to 10 images
The same set of slides, a second network, without a second tool and without re-exporting anything. It is also the format a client asks for most, and it goes out as one carousel post rather than a folder you upload by hand.
The first comment, in the same act
LinkedIn suppresses links in the post body, so the link belongs in the first comment, posted immediately. Doing that by hand means being at your desk at the moment a scheduled post goes out, which defeats scheduling it.
The way most people do this breaks LinkedIn's rules
Logging in to a client's LinkedIn with a password they emailed you is the normal way freelancers work, and it is a breach of LinkedIn's User Agreement, which prohibits using another person's account including by sharing log-in credentials. Most people find that out at the worst possible moment.
- Client emails you a password
- You log in as them
- Breaches the User Agreement
- Their two-factor code goes to their phone, not yours
- You send a one-time link
- They authorise on LinkedIn's own screen
- You never see a password
- They can revoke it themselves, any time
A brand per client
Colours, fonts, voice and connected accounts, kept apart. One connected account can belong to several brands, which matters when the same person is a founder in one and a company page in another. Four brand kits on Starter and ten on Pro, so the ceiling is real and worth checking against how many clients you actually run.
Hand over a pack, not a link
One download with the images, the LinkedIn-ready PDF, a caption written for each network, the hashtags as their own file, and the alt text. For the clients who publish it themselves.
Questions
- Is Blendin built for freelancers?
- Not primarily, and it is worth saying so before you spend an evening on it. Blendin is built first for B2B services companies that have no marketing department and have to look established to win contracts. The overlap is real, because a freelancer producing work in somebody else's brand does the same job, and the parts that fit are the ones on this page. If you run ten clients with a roster of approvals and a reporting pack for each, a tool built for that will serve you better than this one.
- Can I publish to a client's LinkedIn without their password?
- Yes, and it is the only compliant way to do it. For LinkedIn you send a one-time connect link, your client authorises their own account on LinkedIn's own screen, and the account attaches to your workspace. You never see a password. Signing in with credentials a client gave you breaches LinkedIn's User Agreement, which prohibits using another person's account including by sharing log-in credentials, so the delegated link is not merely more convenient, it is the difference between compliant and not.
- Does it actually post a swipeable PDF carousel to LinkedIn?
- Yes. LinkedIn treats a swipeable PDF as a Document post, which goes through a different upload endpoint from an image, and Blendin uploads the document itself, so a carousel is scheduled like any other post. To be straight with you, Blendin is not the only tool that can publish a LinkedIn PDF: Buffer does it, and so does Hootsuite. What they do not do is make the carousel in your client's brand first. Blendin puts both halves in one place.
- How is this different from a design tool plus a scheduler?
- That is the honest comparison, and today it is two subscriptions and two tools. The design tool makes the slides, the scheduler pushes them out, and you carry the file between them for every client, every week. Blendin generates the deck in the client's brand and publishes it, and the first comment goes out with the post. The saving is the handoff, not a feature nobody else has.
- Can it schedule an Instagram carousel?
- Yes, 2 to 10 images as one carousel post, made in the client's brand and published from the same place. No exporting the set and uploading it somewhere else.
- What about the first comment?
- It goes out in the same act as the post, natively on LinkedIn personal profiles and Company Pages, Instagram, and Threads. That matters because the first comment is where a link belongs: LinkedIn suppresses links in the post body. Not on Facebook, and not on TikTok, which has no comments API at all.
- How many clients can I run from one account?
- Each client is a brand with its own colours, fonts, voice and connected accounts, and one connected account can belong to several brands, which matters when the same person is a founder in one brand and a company page in another. Brand kits are four on Starter and ten on Pro. Connected accounts are an included count per plan with a 9 dollar per account fee above it, and no plan claims unlimited accounts, because every connected account carries a real recurring cost.
- What does it not do?
- It is not a design tool. If you want to lay out a poster by hand, use one. It has no ad manager, it does not publish to X or YouTube, TikTok is on Pro and Business rather than the entry plan, and the Facebook first comment is not supported because it needs two Meta permissions we deliberately do not request. Saying so is cheaper for both of us than finding out in week two.
Try it on one real client
Fourteen days of the full Starter plan, card required, no charge today, then 59 dollars per month, cancel anytime. Long enough to publish something real to a client's LinkedIn and see whether the part that annoys you actually goes away.
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