Terms of use

Effective date: 9 November 2026 · Operated by an individual under the name CAD to Mesh

These terms cover the cadtomesh website at cadtomesh.com and the CADtomesh for Windows application. By using either, you agree to them. If you do not agree, do not use the service.

1. The free website

The website is free to use, with no account, no conversion quota and no watermark. Conversion runs inside your browser; no file is uploaded to a server. The website is provided as a convenience and may change, be suspended or be discontinued at any time. No service level, uptime guarantee or data-retention commitment is offered.

2. The Windows app and Microsoft Store

The Windows app is distributed through the Microsoft Store. Your purchase, licence, trial, refund and Store account are governed by Microsoft's terms and by the Store listing, in addition to these terms. If these terms conflict with Microsoft's terms for a Store transaction, Microsoft's terms apply to that transaction.

The trial is the Store's feature-limited trial. The paid version unlocks the features described on the Windows app page at the time of purchase. The app is not a more accurate version of the website; the tessellation behaviour is the same.

3. Your files and your output

You keep all rights in the files you open and in the files the service produces. We claim no ownership over either. You are responsible for having the right to use and convert the files you provide, and for checking the output before using it in manufacturing, construction, medical or safety-critical work.

Conversion is lossy. Depending on the formats involved, units, colours, materials, UV coordinates, normals, assembly structure and exact curved surfaces may be changed or dropped, and a watertight shell is not guaranteed. The documentation on each conversion page describes these limits.

4. Acceptable use

You agree not to:

• use the service for unlawful purposes or to process files you do not have the right to use;
• attempt to disrupt, overload or gain unauthorised access to the service or its infrastructure;
• use automated requests in a way that degrades the service for other visitors;
• redistribute, resell or rebrand the service or the Windows app as your own product;
• remove or obscure licence notices for the open-source components.

5. Open-source components

The service includes open-source software, including OpenCascade Technology and occt-import-js (LGPL 2.1), web-ifc (MPL 2.0), and three.js, fflate and @xmldom/xmldom (MIT). Those components remain under their own licences; nothing in these terms restricts rights granted by those licences. The About page links to the projects.

6. No warranty

The service is provided “as is” and “as available”, without warranties of any kind, whether express or implied, including merchantability, fitness for a particular purpose, accuracy and non-infringement. No warranty is given that a conversion will be error-free, that a mesh will be watertight, or that a file will open in every third-party application.

7. Limitation of liability

To the maximum extent permitted by law, CAD to Mesh is not liable for indirect, incidental, special, consequential or punitive damages, or for lost data, lost profits, failed prints, production delays or damage to equipment arising from use of the service. Where liability cannot be excluded, total liability is limited to the amount you paid for the Windows app in the twelve months before the claim, or to zero for the free website.

Nothing in these terms excludes liability that cannot be excluded by law.

8. Changes

These terms may be updated. The effective date at the top of this page changes when they do. Continued use after a change means you accept the updated terms. If a change is material, the About page will mention it.

9. Consumer rights

Nothing in these terms limits any rights you have under mandatory consumer law in your country. If you are a consumer, you may also have a statutory right to cancel a purchase; for purchases made through the Microsoft Store, that right is handled under Microsoft's terms and refund process.

10. Contact

Questions about these terms: contact page or the support address listed there.