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Privacy Policy

Last updated 30 September 2026

In short
  • We use your files only to review your design, and they are confidential under a strict NDA by default.
  • We delete your files 30 days after we deliver your report.
  • We do not sell your data. We share it only with the providers listed below, so we can run the service.
  • We keep anonymised findings, never your design files, to improve our checks.
  • You can ask us to access, correct or delete your data at any time.

Who we are

PCBSignoff (pcbsignoff.com) is a design review service run by CircuitNexa ("we", "us"). We decide how your personal data is used, as described here. This policy goes with our Terms of Service.

What we collect

  • What you give us: your name and email, the design software you use, your notes, and the files you upload (schematics, netlists, BOMs, Gerbers and similar). Design files can contain personal data, such as names in title blocks.
  • Messages: emails, WhatsApp or LinkedIn messages you send us.
  • Payment details: when you pay through Wise, we receive confirmation of the payment, your name and email, the amount and the currency. We do not see or store your card number.
  • Technical data: your IP address and details about your browser and the pages you request, collected by our hosting provider and by services embedded in the site.

How we use it

  • To review your design and send you the report.
  • To take payment, keep accounting records and answer your questions.
  • To run the site securely, prevent abuse and apply the free review limit.
  • To improve our checks, using anonymised findings and never your design files.
  • To meet legal obligations.

Why we may use it

Where data protection law requires a reason, we rely on: carrying out the service you asked for; your consent (for example when you submit the upload form); our legitimate interests in running, securing and improving the service; and legal obligations.

Who we share it with

We do not sell personal data. We share it only with our engineers, who are bound by confidentiality, and with these service providers, who process it for us:

ProviderWhat it doesData it may handle
CloudflareHosts and secures pcbsignoff.comIP address, request logs
Google FontsServes the site's fontsIP address, browser details
TallyRuns the upload form and stores uploaded filesName, email, notes, uploaded files
AnthropicProvides the Claude AI models used for reviewsThe content of your schematic, BOM and layout files, or extracts of them
WiseTakes payment for paid reviewsName, email, payment details, amount, currency
Our email serviceSends reports and handles support emailName, email, messages, the report
WhatsApp, LinkedInOnly if you contact us thereYour account name and messages

We use AI providers under business terms, and we do not send your files to any provider for the purpose of training AI models. We may also share data if the law requires it, or to protect our rights.

International transfers

We work from Malaysia, and our providers operate in several countries, including the United States. By using PCBSignoff you understand that your data may be processed outside your own country. We choose providers that protect data with appropriate safeguards.

How long we keep it

  • Design files: deleted 30 days after we deliver your report, or within 30 days of upload if no review is delivered.
  • Reports and emails: kept for as long as we need them to support you.
  • Payment and invoice records: kept for as long as the law requires.
  • Anonymised findings: kept, because they no longer identify you or your design.

You can ask us to delete your files earlier by emailing us.

Security

We take reasonable steps to protect your data. Files are sent over encrypted connections, and access is limited to the people who need it to do the review. No system is completely secure, so we cannot guarantee absolute security.

Your rights

You can ask us to give you a copy of your personal data, correct it, delete it, or stop using it in certain ways. You can withdraw your consent at any time. If you are in the EU, the UK or Malaysia, you may have further rights under local law, including the right to complain to your data protection authority.

To use any of these rights, email hello@circuitnexa.com. We may need to check who you are first.

Cookies

We do not use advertising or tracking cookies. Our hosting provider and embedded services, such as the Tally upload form, may set cookies or similar technologies they need to work securely. Their own policies explain what they use.

Children

PCBSignoff is for people aged 18 and over. We do not knowingly collect data from children.

Changes

We may update this policy. The date at the top shows the latest version. If we make a big change, we will say so on the site.

Contact

Email hello@circuitnexa.com, message us on WhatsApp +92 315 5040876, or find us on LinkedIn.