Legal
Privacy Policy
What is kept, where, for how long, and how to delete it.
Last updated
1. At a glance
The calculators work without signing in, and the maths runs in your browser. The amounts, dates and names you enter are not sent to our server.
Text and files you give the AI assistant or AI tools are sent to the AI (Cloudflare Workers AI) to produce an answer, but are not stored on the server. Only how much AI you used is counted, for 35 days.
If you sign in, only what is saved in "My space" (contracts, AI memory, your tools) and tools you publish are kept on the server with your account id. Deleting them removes them at once.
2. What is kept, where, and for how long
"Server" below means the Cloudflare storage this site uses. Things kept only in "this browser" cannot be seen by the operator.
| What | Where | How long | How to delete |
|---|---|---|---|
| Values you enter in calculators | Not sent to the server. The date, time and unit calculators keep your last inputs in this browser only | Until you clear browser data | Clear this site's data in your browser settings |
| Letter box (last 20), multi-row tables, tools "saved on this device" before signing in | This browser only | Until you delete them | The delete buttons on each screen, or clear browser data |
| Favorites and recently viewed tools | Server and this browser (separate for each browser) | 180 days after the last save | Remove them on the favorites page |
| AI assistant chat | Not stored on the server; kept only in this tab | Gone when you close the tab | "New chat" button |
| Text, photos, recordings, files and links given to AI tools, and their results | Not stored on the server | Not kept | - |
| AI usage (amount and count per day) | Server, under a hashed IP address or your account id | 35 days | Deleted automatically |
| My contracts (signed in) | Server, with your account id | Until you delete them (up to 30; the oldest is dropped beyond that) | My space > My contracts |
| AI memory (signed in) | Server, with your account id | Until you delete them (up to 20) | My space > AI memory |
| My tools (signed in) | Server, with your account id | Until you delete them (up to 30) | My space > My tools |
| Published tools (signed in) | Server, with your account id, only for tools you switch to public; shown in the gallery and to anyone with the link | Until you switch it off (deleted with the tool) | My space > My tools: switch off or delete |
| Sign-in account (email, name, profile photo) | Avenpa shared login (login.avenpa.com) | Until the account is deleted | See account deletion in section 5 |
3. What is processed without signing in
Calculators: the maths runs in your browser and the values are not sent to the server. A link made with the share button does carry the values you entered, so whoever receives it can see them.
Favorites and recently viewed tools: each browser gets a random ID once (cookie ta_mid). Its HMAC-SHA256 hash is used as the key to store the list on the server (Cloudflare KV), with a copy in this browser. Each browser has its own list: it is not mixed with others on the same IP address and is not shared with your other devices (since 6 November 2026; before that it was keyed by IP address). Only a list of tools is stored.
AI assistant: your message (up to 2,000 characters), a few earlier messages, and the title and result text of the page you are on (up to 300 characters) are sent to Cloudflare Workers AI to draft an answer. The chat is not stored on the server; it stays in this browser tab and disappears when you close it.
Questions about laws and building tools: the current law text is read from the National Law Information Center (law.go.kr), and when needed a short search phrase the AI makes from your question is sent to a web search service (Tavily). Results for the same phrase are kept on the server for 3 days and reused.
AI tools: text, photos, recordings and documents you give them are sent to Cloudflare Workers AI to produce the result and are not stored. If you give a link, this site's server fetches that page and uses only its text. Tools that search the web send a search phrase made from your inputs to a web search service (Tavily).
AI usage: to enforce the monthly allowance, only a hashed form of your IP address (or your account id when signed in) and the amount and number of uses per day are kept for 35 days. No chat content is included.
Do not enter sensitive information such as resident registration numbers, bank passwords or health details into the AI assistant or AI tools.
Referral links: if you click a referral link (business.avenpa.com/r/…) on a blog or site, a cookie (avenpa_ref, 30 days, all of avenpa.com) stores only which referral code you came from. If you create your first Avenpa account in that time, your account id is recorded with that code, and the referrer only sees a sign-up count. Your email and name are never shared with the referrer.
4. What is kept when you sign in (My space)
Sign-in uses the Avenpa shared login (login.avenpa.com) with a Google account. Your email, name and profile photo are kept by the shared login; this site only fetches them to show on screen and does not store them. The sign-in cookie (avenpa_session) lasts 30 days.
This site's server (Cloudflare D1) stores only the following, with your account id.
My contracts: the contract name, the calculator and the values entered in it (amounts, dates and so on). Values that default to today when left empty, such as the cancellation date, are not stored and are recalculated for today each time. The screen tells you when a contract is saved.
AI memory: sentences saved by saying "remember this", pressing Remember, or in the first-time setup (up to 100 characters each).
My tools: the title, input fields (including default values) and formulas of tools the assistant built (for AI tools, the instructions). Tools saved on this device before signing in are moved to your account after you sign in.
Published tools: when you publish one of your tools, its outline (title, description, input fields, formulas or instructions) is stored separately with your account id. Anyone with the link can open and use it, and it appears in the list of tools people have published. The maker's name and email are not shown. Values entered when running it are not included, but default values set when the tool was built are visible, so check them before publishing. Views and reports are counted; to accept one report per person, the account id or a hashed IP address is kept.
Saved contracts and AI memory are sent to the AI along with your assistant questions so it can tailor the answer (they are not sent when running AI tools).
5. Deleting data and your account
Contracts, AI memory and tools are deleted from the server as soon as you delete them in the matching My space tab. Before deleting, you can download a file (JSON) with "Download my data" under My space > Account. The file contains contracts, memory and tools; AI usage is shown under My space > AI usage.
There is no account deletion button yet. Email contact@avenpa.com from the Google address you sign in with and say "delete my account". After checking it is you, we delete your Avenpa shared login account and the My space data left on this site (contracts, memory, tools and published tools) and reply to confirm. AI usage records are deleted automatically after 35 days.
Records without signing in: remove favorites on the favorites page; records kept only in this browser (letter box, inputs, tools saved on this device) disappear when you clear this site's data in your browser settings.
This site's own sign-up ended in November 2026. Account information created before then (email address, name, tools built, consent records and similar) no longer served a purpose and was destroyed on 6 November 2026.
6. Visit statistics
To improve the service we may collect visit statistics with Google Analytics, Cloudflare Web Analytics and Naver Analytics: pages visited, referrer, device and browser type, approximate region, and whether a calculation was completed (which tool). The values you enter are not sent.
Google Analytics is configured to anonymise IP addresses. Each provider handles data under its own privacy policy.
Separately, our own server (Cloudflare D1) counts per day how many calculations were completed in each tool and how many times the paid-template button or a worked example was clicked. Who did it (IP address, cookies, account) and the values entered are not stored.
7. Advertising and cookies
This site displays advertising, including Google AdSense. Ad partners may use cookies and device identifiers for interest-based advertising.
Google uses advertising cookies to serve ads based on your prior visits to this and other websites. You can turn off personalised ads in Google Ad Settings.
The cookies and browser storage this site uses are listed in the Cookie Policy.
Google Ad SettingsHow Google uses information from partner sitesCookie Policy
8. Service providers (including outside Korea)
Cloudflare: hosting, server storage (D1, KV), AI processing (Workers AI), visit statistics.
Google: sign-in (Google account check), visit statistics (Google Analytics), advertising (AdSense).
Naver: visit statistics.
Tavily: web search for law questions, tool building and AI tools that search the web (search phrases only).
These companies may process information on servers outside Korea (mainly in the United States). They are not asked to use it for anything beyond the purposes above.
9. Server logs
Our hosting provider (Cloudflare) may briefly record IP address, browser information and request time for security and performance purposes.
10. Operator and contact
Avenpa Tool is run by an individual (not a registered business), who is personally responsible for privacy.
Send privacy questions and access or deletion requests to contact@avenpa.com. You can block or delete cookies and site data in your browser settings; the calculators keep working normally.
If this policy changes, the "Last updated" date above changes, and important changes are logged on the updates page.