Free tools

Practical documents for people who bill for their own time. No account, no upload, each tool runs entirely in your browser and hands you a PDF.

These tools produce self-reported documents: useful, but unverified, because anyone can type numbers into a form. With a free account, the client who received the work confirms it by a link, and that confirmed record becomes permanent: portable, checkable by anyone without an account, and impossible to alter afterwards, including by us.

Get started

Can0nical generates and sends documents. It does not process payments.

Questions about the free tools

What they cost, what happens to what you type, and what an account changes.

Are these tools really free?

Yes. No account, no card, no watermark on the PDF, no cap on how many you make, and no trial that expires. They are free because they cost us almost nothing to run: nothing is stored and nothing is processed on a server.

Do I need an account?

No. Open the tool, fill it in, download the PDF. Nothing asks who you are.

Does anything I type get uploaded?

No. Both tools run entirely in your browser and write nothing to a database. Your client names, rates and amounts never reach us, which is also why we cannot recover a document you closed without downloading.

Can I use the documents commercially?

Yes. They are your documents. Send them to clients, keep them for your records, bill from them.

What does a Can0nical account add?

Confirmation. A document you generate here is one you wrote about yourself, which is useful but proves nothing. With a free account, the client who received the work confirms it by a link with no account of their own, and that confirmed record is permanent and checkable by anyone. Clients, rates and hours are also stored once instead of retyped. The user guide walks through it.

General information about what these documents usually contain, not legal or tax advice. Invoicing, tax and record-keeping rules differ by country: check with the tax authority where you are registered, or an accountant, before relying on any of it. The user guide covers how the tools fit with the rest of Can0nical.