Fill in the form and download a clean PDF invoice. Free, with no signup and no watermark — your data never leaves your browser.
How to create an invoice
Add your details
Enter your business name, your client’s details, and an invoice number. Clients save on your device for next time.
Add line items, tax & currency
List what you’re billing with quantity and rate. Pick a currency, add tax or discount — totals calculate automatically.
Download the PDF
Click Download PDF for a clean, print-ready invoice to send to your client. No account, no email gate, no watermark.
Free Estimate Generator — Free, No Signup
Every job starts with a number. Before the invoice, the estimate: the number the customer says yes to. This free estimate generator produces professional cost estimates in minutes. Itemized lines with quantities and rates. Validity dates. Terms that protect you when the scope creeps. And when the customer approves, the same tool turns the estimate into the invoice. It lives in your browser. No account needed. PDFs come out clean.
Estimates that win the job
A good estimate is a sales document, not just a number. Build it line by line. Materials at quantity × price, labor at hours × rate. The customer sees where the money goes instead of one suspicious lump sum. Invoice-level discount let you show a package price while the full value stays visible. The estimate carries the details that prevent disputes later: what’s included, what isn’t, a validity date (“this estimate is valid for 30 days”), the deposit required to start. Add your logo and a digital signature and it looks like it came from a firm ten times your size. Send it by email from your mail app, or as a share-by-link the customer opens with no account. Speed matters. The first credible estimate usually wins.
A bathroom remodel estimate: labor 5 days × $480 = $2,400. Tile, 40 sq ft × $12 = $480. Fixtures $620. Total $3,500, with “Estimate valid for 30 days” in the terms. When the job is won, the same lines become the invoice — estimate and final bill match, because they were never two documents typed twice.
From estimate to invoice without retyping
Approved estimates shouldn’t mean starting over. Estimate, quote, and invoice are document types on the same tool. When the customer says yes, convert the estimate. The line items carry over, the deposit becomes a partial payment, and the balance-due line does the rest. If the scope changed between estimate and job, adjust the lines on the invoice. The estimate stays in your history as the record of what was originally agreed, which is exactly what you want if a price ever gets disputed. History keeps estimates and invoices side by side with their statuses, so you can see at a glance which quotes are still waiting on a yes.
Estimate vs. quote: which do you need?
The terms get used interchangeably, but the distinction is useful. An estimate is an educated approximation that can move with the actual work. Common in trades, repairs, and custom projects. A quote is a fixed price you’re committing to. The generator handles both. Issue estimates when the final cost depends on what you find on site, quotes when the price is locked. Either way, put the same protections in the terms: validity period, what’s excluded, how changes get priced. For customers who need a formal tax document only after payment, the receipt document type covers that too.
Two mistakes that lose estimate battles
One lump-sum number. Your customer is comparing three estimates side by side. The itemized one looks like a plan; the lump sum looks like a guess — even when it’s the honest one.
No expiry on the estimate. Material prices move. An estimate with no “valid for 30 days” line becomes a price you’re held to in a different market.
Need a fixed-price quote instead of an estimate? Quotes commit to a specific price; estimates are approximate and may change once the scope is clear.
Should I charge for estimates?
Most trades and freelancers estimate free. It’s the cost of winning work. What costs you more is estimating sloppily: an itemized, professional estimate converts better than a number texted from the truck, and it locks in the terms that protect you later.
How long should an estimate be valid?
Thirty days. Material prices move and your schedule fills. A validity date in the terms gives you a clean reason to re-price a stale estimate instead of honoring a number from three months ago.
Can I turn an estimate into an invoice?
Yes. Estimate and invoice are document types on the same tool, so converting carries the line items over. The original estimate stays in your history as the agreed baseline, and any deposit becomes a partial payment.
What’s the difference between an estimate and a quote?
An estimate is an educated approximation that can move with the real work. Use it for repairs and custom builds with unknowns. A quote is a fixed price you’re committing to. Use it when every cost is known up front.
Related: quote generator, free invoice generator, invoice templates.
Is an estimate legally binding?
No. Estimates are approximations and can be negotiated before finalizing. Once the client approves and work begins, the final invoice reflects actual costs. For a fixed-price commitment, use a quote instead.
When should I send an estimate vs a quote?
Send an estimate when the scope is uncertain and the price may change (common in trades, consulting, custom work). Send a quote when you can commit to a fixed price. Estimates set expectations; quotes make promises.
What should an estimate include?
Your business details, client details, an estimate number and date, line items with quantities and estimated rates, a total range (or ‘not to exceed’ figure), and a note that it’s an estimate subject to change. Include an expiry date.
How do I turn an estimate into an invoice?
After the work is done, create an invoice referencing the estimate number. Adjust line items to reflect actual quantities and costs. The estimate serves as the agreed starting point.
Last checked: October 2026. By Innvoic.
See also: all invoice types.