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Free Invoice Generator by Sleek

Professional invoices in under 2 minutes. No account. No credit card. Just download and send.
100% free — no account required

Fill in your details below - your invoice is ready to download instantly.

Invoice
Start free. Scale with Sleek Accounting.

Downloading a PDF is just the start. To save it, track when it's opened, and get paid online - you need Sleek Accounting.

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Trusted by businesses across Asia and beyond

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Andrew Lai

Owner, Aetna insurance Brokers Pte. Ltd.
“Sleek has been instrumental in helping us manage our finances efficiently. The invoicing and accounting tools are intuitive and save us hours every month.”
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Sophie Chhuon

Founder, POASIA

“We switched from a traditional accounting firm to Sleek and haven’t looked back. The platform is transparent, fast, and the team actually understands startups.”
John-Guy Park

John-Guy Park

Founder & CEO, Workfutur Pte Ltd.
“The free invoice generator alone is worth it. Clean, professional invoices in minutes. And when we needed proper accounting, Sleek was already there.”

How to create an invoice online

Create and send a professional invoice in under 2 minutes using Sleek’s free invoice generator – the easiest free invoice software and online invoice template for small businesses and freelancers.
1
Enter your business details
Add your company name, address, and business registration number. Upload your logo to make the invoice look professional. Select your country and currency – Sleek adjusts the tax fields automatically.
2
Add your client’s information
Enter the name and address of the client you are billing. With a Sleek Accounting subscription, saved client details auto-fill so you never type the same information twice.
3

List your products or services

Add line items with a description, quantity, and unit price. Sleek automatically calculates subtotals, tax, discounts, and the total amount due – no spreadsheet needed.

4
Add payment details
Include your bank account details or a local payment method (PayNow, PayID, BACS) so your client knows exactly how to pay you.
5
Download or send
Download the invoice as a PDF instantly – no account needed. With a Sleek Accounting subscription, you can also send invoices by email, get notified when your client opens them, and track every invoice status from your dashboard.
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Free invoice generator vs Excel vs Word

Why businesses switch from Excel and Word to Sleek’s free invoice software – the faster, smarter online invoice template.
Feature Sleek Free Invoice Generator Excel / Word Template Other Paid Tools
Create invoice online, no software to install ✔ Desktop app required ✔
Auto-calculated totals and tax ✔ Manual formulas ✔
Professional PDF in one click ✔ Export required ✔
No account or credit card required ✔ ✔ Usually no
Completely free to use ✔ ✔ Paid subscription
Upgrades to full accounting when you're ready ✔ No No
More than invoicing.
Start with a free invoice. Subscribe to Sleek Accounting to send invoices, track payments, and get a dedicated accountant handling your tax filing, compliance, and annual returns – all in one platform.
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Frequently Asked Questions

Is this invoice generator really free?

Yes – completely free to create and download invoices as PDF. No account, no credit card required. To send invoices by email, track opens, accept online payments, and access your invoice history, you’ll need a Sleek Accounting subscription.

Does this online invoice template work outside Singapore?

Yes. Sleek’s free invoice software supports businesses in Singapore, Australia, the United Kingdom, the United States, Hong Kong, and more. Whether you need a Singapore invoice with GST and UEN, or a VAT invoice for the UK, the online invoice template adjusts automatically to match local requirements.

Can I send the invoice directly to my client?

You can download the PDF and email it yourself at no cost. With a Sleek Accounting subscription, you can send invoices directly from the platform and get notified the moment your client opens it – so you always know where you stand.

What happens to my invoice data?

Without an account, nothing is saved – your data stays in your browser only. With a Sleek Accounting subscription, your invoices are securely stored and accessible from any device at any time.

What payment options are supported?

You can add your bank account details or a local payment method (PayNow in Singapore, PayID in Australia, BACS in the UK) directly on the invoice. Stripe payment links are coming soon to Sleek Accounting.

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How does this help with my accounting?

Every invoice you create in Sleek is automatically synced with your accounting records when you subscribe to Sleek Accounting. Your invoicing history, tax records, and client data are already there – no manual data entry, no reconciliation headaches.

Can I track overdue or unpaid invoices?

Yes. With a Sleek Accounting subscription, your dashboard shows the live status of every invoice – Sent, Viewed, Paid, or Overdue. You can see at a glance which clients still owe you and follow up directly from the platform.

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