Invoicing guides
How-tos, templates, and explainers for freelancers and small businesses. Skim the table of contents on each post; everything links to the free generator when you're ready to act.
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Freelance Invoice Template (Free, 2026): Web, PDF, Word & Google Docs
The best free freelance invoice templates for 2026, sorted by format. Why web generators beat downloadable Word and Excel files for most freelancers.
What Is a Proforma Invoice? (When to Use One and How It Differs)
A proforma invoice is a preliminary invoice — looks like an invoice but functions like a quote. When to use it, what to include, and how it differs from a real invoice.
Invoice vs Receipt: What's the Difference (and When You Need Each)
Invoices request payment; receipts confirm it. Side-by-side comparison, when to issue each, what's required on both, and tax implications.
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How to Follow Up on an Unpaid Invoice (Email Templates + Timing)
Day-by-day cadence for chasing unpaid invoices: when to email, when to call, when to escalate. With copy-paste email templates that get clients to pay.
Save invoices to your account
3 invoices forever, no credit card. Track who paid, who didn't, and download anytime.
How to Send an Invoice (Email, Portal, or Mail) That Gets Paid
How to actually send an invoice once it's written: email format, who to CC, AP portals, follow-up cadence, and the small details that get you paid faster.
Invoice Number Format (How to Number Invoices in 2026)
How to number invoices: sequential, year-prefixed, client-prefixed. Pick a format, what to avoid, and how to keep a system that survives audits.
Self-Employed Invoice Guide (Sole Proprietor + Single-Member LLC)
How to invoice clients when you're self-employed in the US: legal name vs DBA, EIN vs SSN, Schedule C alignment, and a free template.
"Due Upon Receipt" Meaning on an Invoice (And When to Use It)
"Due upon receipt" means payment is due immediately when the invoice is received — but in practice, that translates to within ~5 business days. Here is when to use it, when not to, and the alternatives.
1099 Contractor Invoice (Template + What the IRS Actually Wants)
How to write a 1099 contractor invoice that matches your W-9, aligns with the 1099-NEC, and won't get you a CP2000 notice in April.
Freelance Invoice Guide (Template + What to Include in 2026)
How to write a freelance invoice that gets paid: required fields, payment terms freelancers actually use, US tax basics, and a free template.
The Best Free Invoice Template for 2026 (Web, PDF, Word, Excel)
Pick the right invoice template — by format, by job, by use case. Why web generators beat Word docs, plus free downloads and a 10-field checklist.
Invoice Payment Terms Explained (Net 30, Net 15, Due Upon Receipt)
Net 30, Net 15, Due Upon Receipt, 2/10 Net 30 — what every common invoice payment term actually means and which one to pick.
What Is an Invoice? A Plain-English Guide for 2026
An invoice is a bill — but a specific kind. Learn what an invoice is, what it's for, the legal basics, and how it differs from a receipt or bill.
How to Write an Invoice (2026 Guide for Freelancers and Small Businesses)
Step-by-step: what to put on an invoice, how to set payment terms, what makes one legally valid in the US, and how to get paid faster.