Free Tools for Freelancers & Small Businesses

Everything here is free to use, with no signup and no credit card. Create invoices and quotes, generate receipts and SKUs, and run the numbers on your margins, cash, and budget.

Invoicing & documents

Free Invoice Generator Create, preview, and download professional invoices online. Add your logo, line items, and taxes. Open tool → Free Quote Generator Build and send polished quotes and estimates to win more work. Open tool → Free Receipt Generator Generate clean payment receipts and download them as PDF. Open tool → SKU Generator Create consistent SKU codes for your products and inventory. Open tool →

Business calculators

Profit Margin Calculator Work out your profit, margin, and markup from your costs and price. Open tool → Burn Rate Calculator See how fast you are spending cash and how many months of runway you have left. Open tool → Freelance Budget Calculator Plan your freelance savings, expenses, and income to see if you are over or under budget. Open tool →

Guides & quizzes

Registered Agent vs Virtual Address A 3-question quiz to see whether your LLC needs a registered agent, a virtual address, or both. Open tool →

Free tools built for the way you work

Running a small business or freelancing on your own means wearing a lot of hats. These free tools take care of the small, repetitive jobs so you can spend more time on the work that pays. There is nothing to install and nothing to buy. Open a tool, fill in your details, and you are done.

What you can do here

Create documents that look professional. The invoice, quote, and receipt generators produce clean, branded documents you can download and send in minutes.
Stay organised. The SKU generator gives your products consistent codes that are easy to track.
Understand your numbers. The profit margin, burn rate, and freelance budget calculators turn your figures into clear answers about pricing, cash, and spending.

Why they are free

Billbooks is invoicing and expense software for small businesses. We build these tools because the same problems come up for everyone starting out, and a simple, free answer helps. If you outgrow a one-off tool and want to send invoices, track expenses, and get paid in one place, you can move up to a free Billbooks account whenever you are ready.

Do it all in one place with Billbooks

Invoices, quotes, expenses, and payments, together. Free to start.

Try Billbooks Free