Diagram Smith pricing

Last updated 2026-10-25

Free

$0, no account. All the diagram and chart makers, every template, PNG, SVG and PDF export without a watermark, unlimited saves in your browser, share links. Nothing is uploaded.

Pro

$99.99 a year with a 7-day free trial, or $239.99 once (lifetime). In the euro area €109.99 a year or €259.99 once, VAT included.

Vector PDF: sharp lines and selectable text at any zoom (the free PDF is a picture of the diagram).
.drawio files: save any diagram as a .drawio file that opens in diagrams.net (draw.io); flowcharts and other node diagrams keep their shapes and arrows.
Flowchart check: finds branches without a label, dead ends, shapes that connect to nothing and paths that never reach an end.
One person per plan, in up to 5 browsers at a time. Your diagrams stay in your browser either way.

Pro is a single-person tool. Team and company plans are not offered.

Choose a plan Yearly · $99.99 a year 7-day free trial, then $99.99 a year until you cancel. Euro area: €109.99 including VAT. Lifetime · $239.99 once One payment, no renewal. Euro area: €259.99 including VAT. For as long as Diagram Smith offers Pro.

E-mail for the receipt and your licence key (optional here; Stripe asks for it otherwise) I am 16 or older. I agree to the terms and have read the privacy policy. I ask for Pro to start right away. I understand that, where the law allows it, my 14-day right of withdrawal ends once Pro is unlocked. (Our own refund promise in the terms still applies.)

Payment is taken by Stripe through Link, the seller of record, which adds any VAT or sales tax for your country and sends the receipt and invoice. We never see your card. US dollar prices exclude sales tax. Other currencies are converted at checkout.

Already bought Pro? Unlock it in this browser.

The trial is free for 7 days; cancel before it ends and nothing is charged. The yearly plan renews each year until you cancel, and you can cancel at any time on your plan page. See the terms (refunds, renewal) and the privacy policy.