Invoice Generator
Create professional invoices with live preview, local drafts, and PDF download — no login.
- On your device
- No signup
Private on your device
Your information stays on your device and is not uploaded.
Create professional invoices with live preview, local drafts, and PDF download — no login.
Create plain-text receipts from line items.
Calculate profit, margin, and markup from cost and revenue.
Calculate profit, margin percent, and markup percent.
Calculate GST for exclusive or inclusive amounts.
Calculate VAT for exclusive or inclusive amounts.
Find selling price from cost using margin or markup.
Calculate commission and total earnings from sales.
Choose a prefix, optional date, and sequence number to generate a consistent invoice number such as INV-20260705-0042.
1. Set a prefix such as INV or your company code. 2. Choose whether to include today’s date. 3. Enter the next sequence number. 4. Click Generate. 5. Copy the invoice number into your invoice or ERP system.
Example: prefix INV, date included, sequence 42 → INV-20260706-0042 for a consistent numbering scheme.
Set a prefix, optional date, sequence number, and zero-padding to build a consistent invoice number such as INV-20260705-0042. Formatting works on your device.
Generated numbers are for convenience only. Follow your accounting or legal numbering requirements.
Your data stays on your device and is not uploaded.
FAQ
Uniqueness depends on your sequence counter. Increment the sequence for each new invoice and avoid reusing numbers.
Yes. Enable the date option to embed YYYYMMDD between the prefix and sequence for daily batches.
Use a short prefix (INV, company code) plus a zero-padded sequence so numbers sort correctly in spreadsheets.
This tool is one step in a longer job. Jump straight to your step or open the full workflow guide.
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