Free tools for shop owners

Everyday calculators and document builders that run in your browser — nothing to install, no account needed.

Ready to use

Build an invoice
Create a sales invoice with automatic totals and tax, then print or download a PDF.
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Build a quote
Create an item-by-item quote to send a customer before they commit.
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Work out VAT
Work out the tax on an amount and the price after tax.
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Apply a discount
Work out how much comes off and the price after a percentage or fixed discount.
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Spell a number in words
Turn an amount into Vietnamese words for the amount-in-words line.
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Being built

Build a receipt
Issue a cash receipt recording that a customer has paid.
Coming soon
Build a payment voucher
Issue a cash voucher for an outgoing payment.
Coming soon
Build an order
Create a purchase order with an item list and a total.
Coming soon