Last updated: October 6, 2026
Marker ("the extension") is made by House of Arqam Ventures LLC ("we"). This policy describes what the extension and this website do with data. The short version: the extension works locally in your browser, we do not run analytics or tracking, and the only data that leaves your browser is what is needed to sell and verify a license plus what is described under "Data the extension processes".
Marker can run on any page you visit. It reads the text you select so it can highlight it, and stores your highlights (the quoted text, a little surrounding context, the page address and the colour) in the browser's extension storage. Nothing leaves your browser unless you use Share: then the highlights for that page are uploaded to our licensing service, anyone with the link can read them, and they are deleted after 90 days.
Uninstalling the extension removes all of this.
When you start a trial, buy Pro, or activate a license, the extension contacts our licensing service (a Cloudflare Worker at license.demo.paidextension.dev). It sends only what is needed for that action: the random installation identifier, an anonymous visitor identifier (for trials), the plan you chose, and your license key. The service stores your license status and the installation identifiers using it (up to 3 at a time). It receives page content only as described under "Data the extension processes", and never your browsing activity.
Purchases are processed by Paddle, our merchant of record. Paddle collects your payment details and billing address, handles taxes and invoices, and tells us when a purchase completes so we can issue your license key. We never see your card number. Paddle's handling of your data is described in Paddle's privacy policy.
After a purchase we email your license key to the address you gave Paddle, via Resend. We keep your email address alongside your license record so we can help you recover a key. We do not send marketing email.
This site is static and sets no cookies. It uses no analytics or advertising trackers.
License records are kept while your license is active and for a reasonable period afterwards for refund and fraud handling. Email [email protected] to have your license record and email address deleted.
Depending on where you live (for example under the GDPR or the CCPA) you may have the right to access, correct, export or delete the personal data we hold about you, and to object to its processing. Email [email protected] and we will respond within 30 days. We do not sell personal data.
The extension is not directed at children under 13 and we do not knowingly collect their data.
We will update this page when the policy changes and adjust the date above.
House of Arqam Ventures LLC · [email protected]