Privacidade

Last updated: 2026-08-27

Local-first: o banco completo de histórico, dados do Private Mode e backups não são enviados ao servidor de conta. Apenas quando você usa deliberadamente um recurso de IA, os dados limitados necessários à solicitação são enviados ao servidor e ao provedor de IA. Veja Privacidade para os campos exatos.

Local data

  • Local-first: o banco completo de histórico, dados do Private Mode e backups não são enviados ao servidor de conta. Apenas quando você usa deliberadamente um recurso de IA, os dados limitados necessários à solicitação são enviados ao servidor e ao provedor de IA. Veja Privacidade para os campos exatos.
  • BestHistory does not sell user data or use it for personalized advertising.

Optional AI processing

AI features are optional and user-initiated. AI Recall may send the search description, existing tags and a small number of local domain/title hints. AI Organize may send domain, display name, current tags, up to 5 recent page titles, visit count and page count. The complete browsing-history database, Private Mode records, page contents and backup files are not sent for AI processing.

Accounts and service providers

Supabase handles authentication, entitlement data and Edge Functions; Google may provide OAuth sign-in; Resend delivers authentication email; Paddle processes purchases as Merchant of Record; Volcano Engine / Doubao Ark processes AI requests.

Account-side data may include account ID, email, preferred language, trial/plan status, validity dates and payment-provider identifiers. BestHistory does not receive or store full card details.

Private Mode

Private Mode records are encrypted locally. The Private Mode password and decrypted private records are not sent to BestHistory servers.

Payments

BestHistory Pro is offered as $2.99/month, $24.99/year, or a $59.99 one-time Lifetime purchase. Paddle processes checkout, tax, receipts, refunds and subscription administration as Merchant of Record. Google is not the seller. BestHistory does not receive or store full payment-card details.

Sharing and use restrictions

Data is transferred only when necessary to provide the chosen feature, authentication/payment, security, or legal compliance. It is not sold or used for personalized advertising.

Chrome Web Store Limited Use

The use of information received from Google APIs will adhere to the Chrome Web Store User Data Policy, including the Limited Use requirements.

BestHistory limits Google/Chrome user data to the disclosed, user-facing purpose of helping you organize, search, privately manage, back up, and rediscover your browser history and related account/entitlement operations.

Retention and deletion

You can delete local BestHistory data in the extension. To request deletion of server-side account data, contact besthistory@126.com.

Security

Data sent to BestHistory services is transmitted over HTTPS. Authentication credentials, payment secrets and AI provider secrets are kept server-side and are not included in the extension package.

Contact

besthistory@126.com

If a translated version differs from the English version on a legal or policy point, the English version controls.