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diagramkit

Thumbnails, posts
and blog headers.

Ask Claude or ChatGPT for a cover, a post or a header. Edit it in diagramkit and download it at the right size.

Make a visual See examples
Webhooks without the wait · YouTube thumbnail

Make a YouTube thumbnail for my video on webhook delivery. Headline: Webhooks without the wait.

Relay video thumbnail: Webhooks without the wait, with an event delivered to an app on a pale green background.

One request, ready to post.

Describe what it’s for. Your assistant draws it at that size.

Turn an idea into a post.

One idea per post, sized for the feed. Ask for portrait or square.

Turn this into a LinkedIn post: one invoice.paid event sends an email, updates the ledger and notifies the team.

Portrait 4:5 · LinkedIn, Instagram

Portrait Relay post: One event. Three reactions. An invoice.paid event branches into Send email, Update ledger and Notify team.

Head your next blog post.

A header that explains the post at a glance, and doubles as its link preview.

Make a header for our blog post on retries. Show how backoff spaces out each try.

Wide 2:1 · Blogs, docs, link previews

Relay blog header: Retries, explained. An event is tried three times with longer waits between tries, and the third reaches the app.

Saved drawing preferences

Tell your assistant what to remember. diagramkit carries those preferences into future drawings.

Saved preference

“Use sentence case for titles.”

Next chat

Make a graphic about webhooks.

How webhooks work

Sentence case, from memory

Questions

Which sizes can I ask for?
Landscape 16:9 and 2:1, square 1:1, portrait 4:5 and story 9:16. Ask for another size of the same visual and diagramkit lays it out again.
Can it use my brand?
On Business and Enterprise plans, set your colours, fonts and icons once and every visual uses them. On Free and Pro, describe the look you want in your request.
Can I change it after?
Ask your assistant for any change in your own words, or open it in diagramkit and click a label to retype it.
What tools can I export to?
Download PNG or JPG for docs and slides, or MP4 and GIF for animations. Paid plans also include SVG for design tools and PDF for print.
What does it cost?
Free includes 10 diagrams a month, with a small diagramkit mark on downloads. Pro is $15 a month and Business $40 a month per person, with unlimited diagrams on both.

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Make a visual