Invoice Generator
Create clean invoices with line items, tax, and totals — export as text.
See how it works
Watch a quick simulation of this tool in action — no file needed.
How to use Invoice Generator
Follow these steps — everything happens instantly in your browser.
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Step 1. Enter your business name and the client's name.
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Step 2. Set an invoice number and date.
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Step 3. Add line items with description, quantity, and unit price.
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Step 4. Set the tax rate — subtotal, tax, and total update live.
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Step 5. Download as .txt or copy the formatted invoice to your clipboard.
Why use this tool
Private by design
All processing happens locally in your browser. Open DevTools → Network and you'll see zero file uploads. Ever.
Instant
No upload wait, no queue, no server round-trip. Results appear the moment you drop a file.
Free & unlimited
No accounts, no watermarks, no daily caps. Use it as many times as you like, forever.
Works everywhere
Desktop, tablet or phone — every tool is responsive and installable as a PWA for offline use.
Frequently asked questions
Everything you might want to know about invoice generator.
Tax Calculator
Add or remove sales tax from any amount — any rate.
Profit Margin Calculator
Calculate profit margin and markup from revenue and cost.
Markup Calculator
Find the selling price from cost and markup percentage.
Bill Split Calculator
Split a bill between any number of people, with tip and tax.