Chasing a client for payment without a proper invoice? Sending WhatsApp voice notes as your billing system? Convertly.ng's free Invoice Generator lets you create professional, itemised invoices in minutes — add your business name, logo, client details, line items, and taxes, then download a clean PDF ready to send. No account, no subscription, completely free.
Why Nigerian Businesses Need a Proper Invoice
- A professional invoice builds trust and makes your business look established
- Clear payment terms (due date, bank details) reduce the chance of late or missed payments
- Itemised invoices protect you in disputes — both parties know exactly what was agreed
- You need invoices for tax records, VAT compliance, and business accounting
- Clients — especially corporate clients and NGOs — will not pay without a formal invoice
- Banks and financial institutions ask for invoices when processing business loans
How to Create an Invoice on Convertly.ng
- Open the Invoice Generator — Visit Convertly.ng Invoice Generator.

- Enter your business details — Add your business name, address, email, and phone number.
- Add your client's details — Enter the client or company name and their contact information.
- Set invoice number and date — Add an invoice number, issue date, and payment due date.
- Add line items — List each product or service with quantity, unit price, and description.
- Add Payment method and Apply taxes or discounts — Add VAT (7.5% for Nigerian businesses), other taxes, or discounts as needed.
- Download as PDF — Click Generate and download a print-ready PDF invoice.
💡 Always Include These on a Nigerian Invoice
For payment to go smoothly, always include your bank name, account number, and account name clearly on every invoice. Add your payment due date (e.g. "Due within 7 days") to set expectations. If you're VAT-registered, include your TIN (Tax Identification Number) — corporate clients will require it.
Who Is This Tool For?
- Freelancers — Designers, writers, photographers, developers, and consultants who need to bill clients professionally
- Small business owners — Shops, salons, caterers, tailors, and service providers who need simple invoicing
- Sole traders and contractors — Anyone doing one-off projects or ongoing work for corporate clients
- Students and new graduates — Starting out with side hustles and needing to bill for the first time
- NGOs and community organisations — Creating invoices for grants, supplies, or services rendered
Invoice Best Practices for Nigerian Businesses
Always number your invoices sequentially (INV-001, INV-002) to keep track of payments and outstanding balances. Keep copies of every invoice you send — the downloaded PDF is your record. Follow up on unpaid invoices after the due date with a polite WhatsApp or email reminder, and reference the invoice number.
Related Tools
- Word to PDF — Convert an existing Word invoice template to PDF
- Protect PDF — Lock your invoice PDF with a password before sharing
- Compress PDF — Reduce invoice PDF size for WhatsApp or email
- WhatsApp Link Generator — Create a direct payment chat link for your clients
- QR Code Generator — Add a QR code linking to your payment page or contact
Also read: Free WhatsApp Link Generator for Nigerian Businesses | Free QR Code Generator for Nigerian Businesses | How to Convert Word to PDF Online for Free
Frequently Asked Questions
Is the invoice generator completely free?
Yes — completely free with no account, subscription, or hidden charges. Create as many invoices as you need.
Can I add my business logo?
Yes — you can upload your business logo and it will appear on the invoice for a professional, branded look.
Can I add VAT to my invoice?
Yes — you can add VAT (7.5% or any other rate) as a line item or percentage tax, and the tool calculates the total automatically.
What format is the invoice downloaded in?
Invoices are downloaded as PDF files — professional, print-ready, and compatible with every device and email client.
Can I save my invoice and edit it later?
The tool runs in your browser — fill in your details, download the PDF, and keep it as your record. Re-open the tool anytime to create a new invoice.
Create a professional invoice in minutes
Free invoice generator — add your logo, line items, and VAT, then download as PDF instantly.
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