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How to Write an Invoice That Gets Paid: A Free Tool for UK Invoices

A Jobbit blog cover showing a numbered invoice PDF being generated

An invoice nobody can query

A nurse finishes a shift caring for a private client and needs to invoice them before the fortnight is out, but has no invoice number, no VAT decision made and no clean layout to copy from. The same gap catches anyone doing paid work on the side of a shop or salon job.

What the tool does

Jobbit's guide to writing an invoice that gets paid walks through the generator: it asks for the client, the amount, what the work was for, whether VAT applies and when payment is due, then returns a numbered PDF with the subtotal, VAT and total already calculated, plus an editable DOCX version. Reply once with your bank details and every invoice after keeps the same layout, so the second one is a one-line job: name the client, the amount and the due date and the rest is handled the same way as the first.

Free invoice tools, compared

What you needTypical free toolJobbit
Invoices per monthInvoice Simple allows 3 free invoices a month100 credits a day, several invoices
Numbering and totalsA Word template leaves the arithmetic to youCalculated automatically, numbers kept in sequence
RemindersZoho Invoice includes free remindersDrafted in the same chat, automatic on paid plans

Three steps to an invoice that gets paid

  1. Fill in the invoice generator with the client, the amount, what for, VAT and a due date, 14 days suits most private clients, due on receipt suits a one-off job.
  2. Reply with your bank details once; the layout and your details are remembered for the next invoice, so nothing needs retyping, and the invoice numbers stay in order without you tracking them yourself.
  3. Ask the same chat for a reminder email if payment has not arrived by the due date; statutory interest applies to business clients who pay late, not private ones, so a polite nudge does more of the work here.

Where the free tool stops

Jobbit's free plan gives 100 credits a day, no card required, which covers a steady stream of private invoices without trouble, and the numbering stays correct without a spreadsheet on the side. Automatic reminders sent on the due date, and a quarterly summary ready for an accountant at tax time, sit on the paid plans rather than the free form.

Frequently asked questions

What must a UK invoice include?
The word invoice, a unique number, your name and address, the client's details, a clear description of the work, the date and the amount owed. VAT details are added only if you are registered.
How many free invoices does a tool like Invoice Simple allow?
Invoice Simple's free tier allows 3 invoices a month before you need a subscription. Jobbit's free plan gives 100 credits a day, which covers several invoices.
Can I charge interest on a late private invoice?
Statutory interest under UK law applies to business customers who pay late, not private individuals. For private clients, a clear due date and a polite reminder do most of the work.

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