FreshBooks: $17/month. QuickBooks: $30/month. Wave: "Free" but sells your data.
For sending a PDF with your name and bank details, this feels excessive.
Let me share what I use instead.
Why Paid Invoicing Software Exists
These tools are built for businesses that need:
- Recurring billing automation
- Integration with accounting systems
- Team collaboration features
- Inventory management
If you're a freelancer sending 5-10 invoices a month? You don't need any of that.
What You Actually Need in an Invoice
A valid invoice just needs:
- Your business name and contact info
- Client's name and address
- Invoice number and date
- Description of services
- Amount due and payment terms
- Payment instructions
That's it. No subscription required.
The Free Stack
Here's my setup:
1. Invoice Generator
I use InvoiceFree.site — a simple browser-based tool that:
- Creates professional PDF invoices
- Stores nothing on servers (privacy-first)
- Works offline
- Saves your details for next time (localStorage)
- Completely free, no signup
2. Payment Processing
- Wise (for international clients)
- PayPal (despite the fees, clients love it)
- Direct bank transfer (lowest fees)
3. Tracking
A simple spreadsheet:
| Invoice # | Client | Amount | Sent | Paid | Notes |
|---|---|---|---|---|---|
| 2024-001 | Acme | $2,500 | 1/15 | 1/28 | Net 30 |
| 2024-002 | Beta | $1,200 | 1/20 | — | Follow up |
Invoice Best Practices
Number them sequentially
INV-001, INV-002, etc. Or use dates: 2024-03-001. This helps with tracking and looks professional.
Set clear payment terms
"Due upon receipt" or "Net 15" or "Net 30". Be explicit.
Make payment easy
Include your bank details, PayPal link, or payment instructions directly on the invoice. Remove friction.
Send PDF, not Word
PDFs look professional and can't be accidentally edited.
Follow up promptly
If not paid within terms, send a friendly reminder on day 1 after due date.
When to Upgrade
Consider paid software when:
- You're sending 50+ invoices/month
- You need automated recurring billing
- You have employees who need access
- You need to integrate with accounting software
- You're managing inventory
Until then? Free tools work perfectly.
Resources
- InvoiceFree.site — Free invoice generator
- FreelanceHourly.site — Calculate your rate first
What tools do you use for invoicing? I'm curious about other free alternatives.
Create your first invoice free: invoicefree.site
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