Invoice Guides

Invoicing basics

How to Create an Invoice

A step-by-step walkthrough of every part of a professional invoice — from your business details to the total due.

6 min read

What Is an Invoice?

The definition in plain terms: what invoices are used for, what they contain, and how they differ from quotes, receipts and bills.

5 min read

What Should an Invoice Include?

The complete checklist: essential fields, the details that speed up payment, and a 30-second pre-send check.

4 min read

Invoice Statuses Explained

Draft, sent, viewed, partially paid, paid, overdue — the standard lifecycle and how to track it in a plain spreadsheet.

4 min read

Getting paid

Invoice Payment Terms

Net 30, Net 15, due on receipt and deposits — what each term means and how to choose terms that get you paid faster.

5 min read

Invoice Numbers

How to number invoices: the three systems that work, what your first number should be, and how to handle mistakes.

4 min read

Invoice Email Templates

Copy-paste emails for sending invoices, friendly reminders and overdue follow-ups — with subject lines that work.

4 min read

Invoice Late Fees

How late fees typically work, the agree-first rule, wording examples, and the alternatives that often work better.

4 min read

How to Get Paid Faster

Nine tactics ordered by leverage: deposits, shorter terms, same-day invoicing, the right inbox, and follow-ups that work.

5 min read

Invoice Deposits

Typical deposit sizes, two clean ways to invoice one, copy-paste wording, and when not to ask for money upfront.

5 min read

Deposit Invoice Generator

The tool, pre-filled: a deposit line with the percentage and base stated, and the balance computed on the final bill.

4 min read

Overdue Invoices: What to Do

The calm follow-up sequence that collects: timing, tone, escalation — and how to prevent the next late payment.

5 min read

Invoice Collection Letters

Three copy-paste letters in escalating firmness for 30, 45 and 60+ days overdue — professional from first line to last.

5 min read

Recurring Invoices

Billing the same client every month: when the model fits, the five-minute monthly ritual, and the rules that keep it clean.

5 min read

Retainer Invoices

Pay-for-access vs prepaid hours — example invoices for both retainer models, overage handling, and what to agree upfront.

5 min read

Invoice types & comparisons

Invoice vs Receipt

One requests payment, the other proves it happened — a side-by-side comparison and when your business needs each.

4 min read

Invoice vs Bill

Usually the same document seen from two sides of the table. Where the words drift apart, and what to send clients.

3 min read

Invoice vs Estimate (and Quote)

Estimates propose, invoices collect. How the three documents fit together — and how one becomes the other.

4 min read

What Is a Proforma Invoice?

The preview of the final bill: what proformas are for, how they differ from estimates and invoices, and how to make one.

4 min read

Invoice calculators All calculators →

Due Date Calculator

Invoice date plus Net 7-90 or custom terms — the exact due date, computed in your browser.

1 min read

Late Fee Calculator

Flat, one-time percent or monthly percent pro-rated by days overdue — the fee and the new total.

1 min read

Early Payment Discount Calculator

2/10 Net 30 in plain numbers: both deadlines, the savings, and the annualized cost of skipping it.

1 min read

For professionals

Freelancer Invoice Generator

Hourly, project and retainer invoicing for freelancers — with line-item examples by specialty and payment tips.

5 min read

Contractor Invoice Generator

Labor and materials on separate lines, deposits with a balance due, and getting paid on contractor timelines.

5 min read

Consultant Invoice Generator

Retainers, milestones and PO references — consulting invoices that enterprise accounts payable approves fast.

5 min read

Photography Invoice Generator

Session fees, prints and second shooters itemized, deposits deducted — invoices that match the booking.

5 min read

Graphic Design Invoice Generator

Project fees, revision rounds, rush and kill fees on clean lines — invoicing that mirrors your proposal.

5 min read

Web Design Invoice Generator

Milestone billing, numbered change orders and care plans — invoice a website the way it's built.

5 min read

Cleaning Invoice Generator

Per-visit or monthly billing, supplies and add-ons itemized — invoices for residential and commercial cleaning.

5 min read

Landscaping Invoice Generator

Per-cut and seasonal billing, materials and crew labor on clean lines — from mowing runs to full installs.

5 min read

Software Developer Invoice Generator

Hourly logs, sprints with ticket references, fixed-price features and support retainers — invoices that pass review.

5 min read

Handyman Invoice Generator

Labor and parts on separate lines, service calls named, small jobs settled on the doorstep.

5 min read

Plumbing Invoice Generator

Diagnostic fees, flat-rate jobs and emergency call-outs — invoices priced the way the trade prices work.

5 min read

Electrician Invoice Generator

Hourly troubleshooting, flat-rate installs, permits and inspections visible, rough-in and finish phases.

5 min read

HVAC Invoice Generator

Diagnostic fees, flat-rate repairs, refrigerant by the pound and maintenance plans that renew.

5 min read

Painting Invoice Generator

Room and square-foot lines, prep work named, paint and materials visible — invoices that mirror the estimate.

5 min read

Roofing Invoice Generator

Squares, tear-off and disposal, decking at an agreed unit price, and how insurance work changes the invoice.

5 min read

Construction Invoice Generator

Progress draws against the schedule of values, retainage in the open, change orders numbered, prior payments deducted.

6 min read

Auto Repair Invoice Generator

Book time with overlap, core charges, part condition, customer-pay vs warranty-pay, and RO details on the page.

5 min read

Marketing Agency Invoice Generator

Who holds the ad account, the float you carry when you front media, at cost versus a stated markup, late platform credits and bonuses billed once the window closes.

7 min read

More guides coming soon

Working in a trade we haven't covered yet? Tell us and we'll build your profession's page next. Meanwhile, the fastest way to get an invoice done is the generator itself.