In plain words
What Curzoo sends, and what stays on your PC
Curzoo's answers are written by Claude, an AI model made by Anthropic, so parts of what you're working on have to leave your PC. Everything on this page that is sent goes to Curzoo's own server first, which checks your account and passes it to Anthropic. This page says which parts, for each thing Curzoo does, and what our server keeps.
How it travels
Your PC
Your voice becomes text here. Audio goes no further.
Curzoo's server
Checks you're signed in. Counts your usage. Keeps no request and no answer.
Anthropic's Claude
Writes the answer.
With every request Curzoo also sends a machine ID (a scrambled form of your Windows machine ID), your time zone, and an ID for that key press so one press is counted once.
For each job
| Job | What is sent (to Curzoo's server, then Anthropic) | What is not |
|---|---|---|
Explain (hold, say nothing) | What is sentA picture of the area around your cursor. The name and text of the thing you pointed at; for a text box, everything in it up to 2,000 characters. The app's name and the window's title. | What is notAnything from your shared documents. With Screen capture off, no picture. |
Answer | What is sentYour words. A one-word note of what kind of thing is under your cursor. The parts of your shared documents that apply, facts you've saved about yourself, and the names of your documents, sheets and columns. A picture of the area around your cursor, only if your question is about the screen. | What is notYour audio. The rest of your documents. Where your files are stored. Your screen, unless the question needs it. |
Write | What is sentYour words. A picture of the area around your cursor and one of where you're writing. Any text you had selected, up to 2,000 characters. The app's name and the window's title. The parts of your shared documents that apply. | What is notYour audio. Anything in a password box that Windows identifies. |
Fill a form | What is sentYour words. Each field's label, type and any hint the page gives. The facts you've saved about yourself, unless the form seems to be about someone else. Lines that look like a password, an ID or a card number are held back first, though one worded unusually can slip through. | What is notAny picture of your screen. The window's title. What's already in the fields. Password, card, bank, ID and signature fields. The text of your documents. |
Show me how | What is sentYour words. The app's name, the window's title, and the names of the buttons and boxes in that window, which on a web page can include the page's own words. Whether a box has something in it. A picture of the window at the start, and again if it needs to look. If it isn't sure how an app works it may search the web once; the search goes to Anthropic's search provider and can include words from the window. You can turn that off in Settings. | What is notWhat's inside any box. What you type and where you click. With Screen capture off, any picture. |
Dictate | What is sentThe words you dictated, as text, so they can be tidied. Your list of preferred spellings. | What is notYour audio. The app's name. Any picture. With tidy-up switched off, nothing is sent at all. |
Do a task | What is sentYour words, and everything the task has read along the way: files you shared, your saved facts, web pages, the names of things in the window in front and, with Screen capture on, pictures of that window. | What is notFolders you haven't shared. Web pages are fetched straight from your PC, without your cookies or sign-ins. |
Share a document | What is sentThe parts that apply, when you ask about it. A document you mark as "About me" is sent in the background, up to 40,000 characters of it, when you mark it and again when it changes, so facts can be read from it. Nothing in it is held back, so don't mark a document that contains a password or an ID number. | What is notDocuments you haven't asked about or marked. File locations on your PC. |
What stays on your PC
- Your voice. Audio is held in memory until it has been turned into text, then dropped. It is never saved.
- Most of your settings. If dictation clean-up is on, your list of preferred spellings is sent with each dictation.
- A copy of the documents you've shared and the facts read from them, encrypted for your Windows account.
- Your activity list: the time, the kind of job, the app's name, and what kind of thing was sent. It never holds your requests, the answers or anything from your screen.
- A count of how often you use each job, as numbers and dates. This local count is separate from the usage our server counts.
- Your sign-in, in Windows Credential Manager. It is sent only to Curzoo's server, to show a request is yours.
- The speech models.
- Files a task saves, in a Curzoo folder inside Documents. If your Documents folder syncs to a cloud service, they go where it goes, and Curzoo asks before each save.
Your screen
Curzoo doesn't record your screen. When you press its key, it copies the area around your cursor into memory. If the request needs it, that copy is sent. If not, it's dropped when the conversation ends or after 2 minutes. It is never written to disk. While one of its panels is open, the default Clear glass look also copies the screen behind that panel a few times a second to blur it. That copy stays in memory and is never saved or sent.
The Screen capture switch, in Settings and on the tray icon, turns all of this off. With it off, Curzoo works from the text Windows can report about what's under your cursor, which is often less.
One thing to know: a picture of the area around your cursor includes whatever is there. If a private window is sitting next to what you point at, it can be in the picture.
Your voice
The microphone opens only while you hold the key, and Windows shows its microphone indicator while it's open. Speech is turned into text by a model running on your PC. Only the text is sent.
What the microphone hears while you hold the key counts as your request. That includes a video playing or someone talking nearby. Read the tag, and press Ctrl+Z if it wrote something you didn't mean.
Passwords
Curzoo does nothing in apps on its excluded list, which begins with 1Password, Bitwarden, KeePass, KeePassXC, LastPass, Dashlane, NordPass and RoboForm. You can add any other app.
It also skips a password box when Windows reports it as one. Windows doesn't always do so, especially inside web browsers, and a password manager's browser extension counts as the browser. A password box Curzoo can't recognise could be captured in a picture or typed into.
So: don't hold the key over a password, and don't ask it to write with a password box selected.
What it refuses to do
It can
- Read files and folders you've shared
- Read public web pages by address
- Open an app by its Start menu name
- Save a file to a Curzoo folder in Documents
- Put text on your clipboard
- Type where your text cursor is
- Fill in a form, without sending it
It won't
- Send a form or press its buttons
- Enter a password or a payment
- Install anything
- Change settings
- Use a command line or run scripts
- Act in banking, trading or crypto apps
- Act in a password manager
- Read a folder you haven't shared
- Press Enter or Tab after writing
- Click a button or link while filling a form
- Fill in security codes, security questions or ID numbers
- Upload a file to a form
These refusals are written into the app itself. They don't depend on the AI choosing to behave.
Its limits
It can be wrong.
Curzoo is AI. It can misread the screen, mishear you, or say something false and sound sure. Check anything that matters.
Pages can mislead it.
A web page, file or document can contain text written to steer an AI. Curzoo limits what such text can make it do, and asks you before outward steps, but no AI tool can promise to stop this entirely. Read each card, above all the site name and the exact text, before you click Yes.
Show me how can point at the wrong thing.
A page can cause the ring to land on the wrong button. It can't click for you, so look at what the ring is on before you click, above all for anything that sends, pays or deletes.
It isn't for exams or competitive games.
Curzoo pauses itself when a full-screen game or a known exam browser is in front. Quit it before competitive online games: we make no promise about anti-cheat systems. Using it in an exam isn't allowed.
It has usage limits.
Usage is counted in credits, and a multi-step task also stops at about $1 of AI use. When you reach a limit, Curzoo says which one and when it resets.
It's a beta.
Explaining, answering and writing have had the most use. Show me how has been tried by hand in only a few apps. Filling in forms, dictation and multi-step tasks have had little or no use on real screens. Things will break. Tell us when they do.
Your account and our server
You sign in with your email address and a 6-digit code we email you. There is no password. Your sign-in is kept on your PC in Windows Credential Manager, so you stay signed in after a restart. Signing out on the Account page clears it.
What our server keeps about you: your email address; and for each request, your account, the time, the kind of job, which AI model answered, how much text went in and came out (as counts, not the text), what it cost, and the credits it used. It also keeps the machine ID and time zone that come with each request.
What our server does not keep: your requests, the answers, pictures of your screen, or anything from your documents. They pass through on the way to Anthropic and are not stored by us.
Anthropic handles what it receives under its own terms.
If you ask us to delete your account, we delete your account and its usage records. Two things can remain: the machine ID record, which is kept on purpose after an account is gone, and any screenshots you attached to beta reports. Ask us and we will remove the screenshots by hand.
Reports, error notes and news
Beta reports
Beta testers see a testing guide in the app and can mark each step Works or Broken. A report goes to the Curzoo team and holds: what you wrote, a screenshot if you choose to attach one, the Curzoo version, which step it was, and recent lines from Curzoo's error log on your PC. It is stored with your account so we can ask you about it. Look at a screenshot before you attach it, because it shows whatever was on your screen.
Crash and error notes
Off unless you turn them on. Curzoo can keep short notes about crashes and errors on your PC: the kind of error and where in the program it happened, never what you were working on, and never a file name. A second switch, also off at first, sends those notes to the Curzoo team with the Curzoo version and the Windows version, and nothing that names you or your PC. You can read and delete the notes on the Activity page.
News from Curzoo
Curzoo fetches one small public file of short notices from us, such as a known problem or a new version, shortly after it starts and every 6 hours. The request carries nothing about you beyond the Curzoo version; like any web request, it shows your IP address to the host. You can turn it off in Settings. It does not update the program.
This website
The site sets no advertising or tracking cookies. If you request an invite we keep your email address, your optional note and the time, until you unsubscribe or ask us to delete them.
Worth knowing
Curzoo is AI. It can misread what's on screen, mishear you, or state something false with confidence. Check anything that matters before you rely on it or send it.