SizeMarker has three plans. Free is $0 forever: all 10 annotation tools, 70+ preset styles, full-resolution image export with a small watermark, 30 credits to try visuals, breakdowns and 3D, and 1 published product card. Pro is $19.9/month ($9.9/month billed yearly): watermark-free image and video export, batch export to marketplace sizes, your own templates and brand presets, 2 GB cloud sync, unlimited product cards and 1,500 credits every month. Enterprise is $29.9 per seat/month (from 3 seats) with a shared team workspace, seat and role management, 5 GB + 2 GB per seat of shared storage and 2,000 credits per seat. No credit card required to start.
Create your first spec diagrams
Professional spec diagrams at scale
Shared workspace for teams
Annotation itself is free. Credits only pay for generated outputs and helpers — the same price on every plan.
| Capability | Creditsdraft / standard / fine |
|---|---|
| Product visuals | 15 / 35 / 70 |
| Breakdown diagram | 15 / 35 / 70 |
| Product outline & line art | 15 / 35 / 70 |
| 3D model | 100 |
| Background removal | 10 |
| Auto dimensions | 10 |
| Auto contour | 10 |
Pro's 1,500 credits ≈ 42 standard visuals or 15 3D models a month. Credit packs top up any plan.
Yes. Free is $0 forever and includes all 10 annotation tools, 70+ preset styles and full-resolution image export. Exports carry a small watermark and keep the original aspect ratio, and projects stay on your device; video export, custom sizes and saved templates are Pro. No credit card required.
Pro is $19.9 per month, or $9.9 per month billed yearly. It removes the watermark (or replaces it with your logo), unlocks video export and batch export to marketplace sizes, lets you save your own templates and brand presets, syncs projects through 2 GB of cloud storage, lifts the product-card limit and includes 1,500 credits every month.
Enterprise is $29.9 per seat per month ($14.9 billed yearly), from 3 seats. Everyone works in one shared workspace with owner / admin / member roles, shared templates, brand presets and product cards, 5 GB + 2 GB per seat of team storage, and a pooled 2,000 credits per seat each month on a single bill. Add seats any time; the difference is prorated.
Annotation is free. Credits pay for generated outputs and helpers: product visuals, breakdown diagrams, outlines and line art cost 15 / 35 / 70 credits per image (draft / standard / fine), a 3D model costs 100, and background removal, auto dimensions and auto contour cost 10 each. New accounts get 30 credits, Pro includes 1,500 a month, Enterprise 2,000 per seat, and credit packs can be bought at any time.