Business finance administration

Free Invoice Generator.

Itemized invoice draft with checked arithmetic.

Prepare an invoice draft from supplied transaction facts with traceable totals and missing issuance details clearly identified.

Chrome extension + account required.
25 free automation tasks/month across tools. Browser-provider limits apply.

WHAT TO HAVE READY

Verified seller, buyer, line items and applicable supplied tax rules.

YOUR STARTING POINT

A task you can make yours.

Copy it here. Paste it into WebAct when you are ready.

This page prepares your prompt. The task runs in WebAct.

01

Make the task yours.

Review the prompt above. Add your goal and any requirements that matter.

02

Bring it to WebAct.

Open the source page, activate WebAct and select the relevant readable content. Paste the task and provide any additional source material it requests.

03

Check the useful part.

The result covers the readable content you provide or select. Expand the relevant page sections first and check that the output includes the records you intended.

A PRACTICAL GUIDE

How to use the Invoice Generator.

An invoice needs traceable line items, a currency and the agreed payment terms. Treat tax and numbering rules as supplied requirements, and check totals before issuing it.

Make the workflow fit your task.

Gather seller and buyer details, invoice identifier, dates, line items, currency and agreed payment terms. Calculate quantities and rates visibly, then apply only supplied tax or fee rules. Keep unresolved required details marked before issuing the document.

What you provide
Verified seller, buyer, line items and applicable supplied tax rules.
What you get
Itemized invoice draft with checked arithmetic.

See the input and the result.

Illustrative input and output · a teaching example, not a live WebAct run

Example input

Invoice INV-104; two design hours at USD 80 per hour; payment due in 14 days; no tax instruction supplied.

Completed example

Design services: 2 × USD 80 = USD 160.
Subtotal: USD 160. Tax: confirm applicable treatment.
Do not issue a final total until tax treatment is confirmed.
Download this example

Load this input into the prompt, then copy it to WebAct to try the task. Your result may differ from the illustration.

Decisions and troubleshooting.

Should missing tax information be treated as zero tax on an invoice?

No. Zero is a substantive value. Leave treatment unresolved until the applicable requirements and transaction details are confirmed.

Why does the invoice total differ from its line items?

Check rounding per line versus at subtotal, discounts and added charges. Use one explicit convention and reconcile the arithmetic.

Try it with your own source.

Replace the example with your material in the task prompt. Keep the requirements you need, then copy the task into WebAct.

Customize and copy the task ↑
BEFORE YOU BEGIN

Using WebAct.

The prompt and example are available here. Run your task in the WebAct Chrome extension.

Is this tool free?

You can copy and edit the prompt here for free. To use it with WebAct, install the Chrome extension, create and verify your account, and connect an available browser ChatGPT session. The Free plan includes 25 user-started automation tasks per calendar month, shared across tools. Ordinary browser Chat is separate; provider limits apply.

Learn about shared context in our privacy policy and choosing Chat or Task.

FROM A PROMPT TO YOUR OWN WORK

Bring the task to your page.

Install WebAct, add your source material and make the result yours.

Install WebAct