Document generators and calculators for freelancers and small businesses. No sign-up needed — your data stays in your browser.
Professional business documents with live previews and PDF export.
Create professional invoices with a live preview, customizable templates, and PDF download.
Open Invoice GeneratorSend polished estimates and quotes to clients, then convert them into invoices.
Open Estimate GeneratorIssue clean payment receipts that confirm every transaction.
Open Receipt GeneratorRecord refunds, returns, and billing adjustments with proper credit notes.
Open Credit Note GeneratorSend suppliers clear, itemized purchase orders with terms and delivery details.
Open Purchase Order GeneratorShare proforma invoices for advance payments, quotes, and customs declarations.
Open Proforma Invoice GeneratorBuild customs-ready commercial invoices for international shipments.
Open Commercial Invoice GeneratorQuick, accurate calculations with the formula shown on every page.
Add tax to a net price or extract tax from a gross price.
Open Tax CalculatorFind final prices, discount amounts, and savings percentages.
Open Discount CalculatorCompare profit margin vs. markup from cost and selling price.
Open Profit Margin CalculatorPercent of, what percent is, and percentage increase or decrease.
Open Percentage CalculatorExplore online file conversion tools for documents, images, video, audio, and other file formats.
Convert.Online is an external website and is not affiliated with B Invoice. File conversion happens on their site, not here.
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