Invoice Studio

Your go-to source:
invoicing guides & more

Straight answers on creating invoices, picking a template, getting paid on time and staying on the right side of tax rules. Written for freelancers and small teams.

  • 7 guides
  • Checked against the real product
  • Tax rules for 7+ countries
Freelance invoice template on a laptop showing a $2,400 website project with a 50% deposit deducted
Latest guideFreelancers

Freelance Invoice Template: Free Samples and How to Use Them

Five worked freelance invoice samples for writers, designers, developers, VAs and marketers, with deposit and retainer wording and a cross-border section on currency, Wise, Payoneer, W-8BEN and reverse charge.

Monjur Hossain20 min read
Read the guide

More guides

Invoice format sample with labelled invoice number, dates, line items, tax and total due
Templates & Formats23 min read

Invoice Format: Free Samples and Examples for Every Business

A labelled invoice format, eight text sample invoices with real totals, and the extra fields each country needs, from US sales tax to India GST.

Net 30 payment terms explained: invoice with a 30-day due date marked on a calendar
Getting Paid23 min read

Net 30 Payment Terms Explained: Meaning, Examples and Dates

Net 30 means payment is due 30 calendar days after the invoice date. Here's the date maths, the discount maths and the UK, EU and US rules behind it.

Invoice template in Word, Excel and Google Docs side by side, with totals that calculate and a PDF ready to send
Templates & Formats23 min read

Invoice Template Word, Excel and Google Docs: Free Guide 2026

Real build steps for Word, Excel, Google Docs, Sheets, fillable PDF, Canva and Pages invoice templates, with the formulas that make the totals add up and a table showing which formats calculate, number and track invoices.

Free invoice app on a phone and laptop showing paid, partly paid and overdue invoices
Tools & Comparisons22 min read

Free Invoice App: How to Choose One That Fits Your Business

A neutral buyer's guide to free invoice apps: what free really means, a 12-point scorecard, and how to automate recurring invoices, reminders and payment tracking.

What is an invoice: a labelled sample invoice on a laptop next to a paid receipt
Invoicing Basics20 min read

What Is an Invoice? Meaning, Types and Invoice vs Receipt

A one-line invoice definition, a labelled sample with real numbers, the six documents people mix up, and 11 invoice types with when to use each.

How to make an invoice: step-by-step guide with a finished sample invoice on a laptop
Invoicing Basics23 min read

How to Make an Invoice: Step-by-Step Guide With Examples

Nine clear steps, a real $1,850 invoice worked out with UK VAT and Texas sales tax, numbering schemes, payment-term dates and the legal minimums for seven countries.

Who writes here

Guides from the people who build it

No ghost-written filler. Every guide is tested on the real product and current tax rules before it is published.

Photo of Monjur Hossain
Monjur HossainFounder, Invoice Studio · Founder & Amazon Strategy Lead, MotionTrust Digital

Monjur builds Invoice Studio and incorporated MotionTrust Digital in September 2022, where he leads Amazon strategy across the client base. Eight years in e-commerce and marketplace marketing taught him how much time invoices and late payments eat, so every guide here is tested against the real product and current tax rules before it goes live.

  • Builds and ships Invoice Studio
  • Every feature mentioned is live today
  • Official sources linked for tax rules
Questions

About these guides

Who writes the Invoice Studio guides?

Every guide is written by Monjur Hossain, who builds Invoice Studio, and is checked against the real product before it goes live. If a feature is mentioned, you can use it today.

Are the tax and legal sections official advice?

No. The guides explain how invoicing rules work in places like the US, UK, EU, Canada, Australia, India and Bangladesh, and link to the official source. Rules change, so confirm anything important with your tax office or accountant.

Can I make the invoices described in the guides for free?

Yes. A free Invoice Studio account gives you 28 invoice designs, PDF download and payment tracking. Paid plans start at $3 a month when you need more.

How do I find a guide on a specific topic?

Use the search box at the top of this page or pick a topic such as Getting Paid or Tax & Compliance. Each topic page lists every guide written for it.