Invoice Maker
From WebStudio — a free PaperOS tool. No login, no uploads, no watermark.
Free forever · works offline · your files never upload.
| Price | Free forever |
|---|---|
| Login | None |
| Offline | Yes, after first load |
A proper tax invoice needs your business details, the customer, HSN-wise items, GST split and a signatory. PaperOS Invoice Maker does all of it — and remembers your business profile for next time. Open Invoice Maker now →
How to use it
- Fill your business once — name, address, GSTIN, signatory.
- Add the customer and line items with HSN, qty and rate.
- Pick CGST+SGST or IGST, add discount if any.
- Print to PDF or send straight over WhatsApp.
Why people pick PaperOS
- Amount in words (Lakh/Crore system)
- Running bill numbers per day
- Business profile reused in Quotation & Salary Slip
- Clean print — only a tiny PaperOS line at the bottom
Questions
Is the invoice GST-compliant?
It includes supplier/recipient GSTIN, HSN, taxable value, rate-wise tax and place-of-supply fields most small bills need. For edge cases, confirm with your CA.
Do I retype my business every time?
No — your profile is saved on your device and reused across Invoice, Quotation and Salary Slip.
Can I send bills on WhatsApp?
Yes — one tap composes the bill text for WhatsApp sharing.
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