Privacy policy

Who we are

Chuyện Nhỏ is operated by ERPCons & LPC, which is the controller of personal data processed through this site. Contact for personal data matters: contact@lpc.vn.

Our principles

• On-device processing: the free tools do not upload your files to a server.
• Minimal: we only process data needed to operate the service and prevent abuse.
• Accounts are optional: the tools need no name, email or phone number. We only learn your email when you choose to sign in.
• No third-party analytics, advertising or tracking tools. The only cookie is the sign-in session cookie, set only when you sign in.

Data we process and why

• Tool opens: the tool name and time, to count total usage. Only aggregate counts are stored, not linked to any user.
• IP address: one-way hashed with a secret key, used only to limit automated submissions, and deleted automatically after about 1 hour.
• Feedback and suggestions: only when you tick the consent box and press Send, so we can review them and improve the tools. Receipt codes are stored only in hashed form.
• Web server technical logs (IP address, browser type, pages opened): used only for system operation and security, and kept for the short time necessary.

If you have an account

• Email: to sign in, to send confirmation codes when you create an account or forget the password, and for account emails (Pro ending soon, saved items about to be deleted). Never used for advertising.
• Password: only a one-way hash is stored (scrypt, with a salt per account); nobody, administrators included, can read the original password back.
• Sign-in session: the cn_session cookie (HttpOnly, used only to keep you signed in); the server keeps a hash of the session with when it was created and last used.
• Display name and whether to credit you on published suggestions, only if you fill them in.
• Suggestions sent while signed in are linked to your account so you can follow their status and add sources.
• Pro plan: start date, end date and the history of grants and withdrawals.

AI assistant and storage (Pro)

This applies only when you use the Pro plan and turn these features on yourself:

• The AI key you enter is passed straight to the assistant server (GoClaw) that we operate and stored there encrypted. The Chuyện Nhỏ database keeps only the provider type, model and status, never the key.
• Conversations, tool results you attach for a source check and images you attach are sent to the AI provider you chose (for example OpenAI, Google, Anthropic, OpenRouter) and may be processed abroad under their policies. Chat history is kept on the assistant server so you can reopen it.
• So the assistant can remember context, the assistant server may summarise finished conversations with an AI model we configure, not with your key.
• Attached images are stored briefly on the Chuyện Nhỏ server so the assistant server can download them once; the temporary copy is deleted right after sending, at the latest after 7 days.
• Source-check history: the tool, the time and the state of the suggestion draft. Questions are not stored.
• Saved items: figures you choose to save in some tools, and your favourite tools.

Data stored on your device

Some tools store data right in your browser so you can reuse it: recently used tools, light/dark mode, Family Calendar, notes, CV drafts and flashcards. This data is not sent to us; you can delete it inside the tool or by clearing site data in your browser settings.

Sharing with third parties

We do not sell personal data or share it for advertising purposes. We only provide data to competent state authorities when required by law.

When you use the AI assistant, content is sent to the AI provider you chose, with your key. How that provider handles the data is governed by the terms between you and them.

The only exception is the dictation (speech-to-text) tool, which uses the speech recognition service built into your browser. The audio is sent by the browser to that browser's provider (for example, Google for Chrome), may be processed abroad under their policies, and does not pass through our servers.

Retention periods

• Hashed IP addresses: about 1 hour.
• Usage counts: stored as aggregate statistics containing no personal data.
• Feedback and suggestions: kept for as long as needed to review and follow up, or until you ask us to delete them.
• Account: until you delete it. A sign-in session expires after 30 days without use (staff accounts: 12 hours).
• Saved items: while you have Pro; after Pro ends they stay read-only for 90 days and are then deleted, with an email at least 7 days before.
• Images attached for the AI assistant: deleted right after sending, at the latest after 7 days.
• Emails we send you: the content (including confirmation codes) is removed from the queue as soon as it is sent; only the recipient, the type of email and the delivery status are kept.

Your rights

Under the Law on Personal Data Protection, you have the right to:

• Be informed about the processing of your personal data.
• Give or withdraw consent.
• View, correct, request deletion of, or restrict the processing of your data.
• File complaints, denunciations or lawsuits as prescribed by law.
• Ask competent authorities to protect your personal data rights.

How to exercise your rights

Send your request to contact@lpc.vn. If you have an account, you can view it, change your display name and delete it yourself on the Account page. For feedback sent without signing in, include the receipt code so we can find the right content.

We confirm receipt of your request within 2 working days and handle it within the time limit set by law, at the latest within 20 days.

Deleting your account

You can delete your account on the Account page by typing your email again. We delete your email, sessions, Pro plan, saved items, source-check history, suggestion drafts, and your AI assistant and AI key on the assistant server.

Suggestions you already sent are kept because they may have been published, but they are no longer linked to you. We keep only a record that a deletion happened, by account id and without the email.

Children

Chuyện Nhỏ does not collect information to identify children. Children who want to send feedback or create an account need the consent of a parent or guardian, as required by law.

Security

The site runs over an encrypted HTTPS connection. Data we receive is minimized and hashed where possible. No system is completely secure; if an incident affects personal data, we will notify you as required by law.

Changes to this policy

When the policy changes, we update the date at the top of the page and announce important changes on the site.

Contact

For any questions about personal data, please email contact@lpc.vn.