Ozzyl Tools
No sign-up · Private by default

Business tools that turn numbers into clear decisions.

Calculate margins, plan cash, manage inventory, and create professional documents—fast, free, and directly in your browser.

Explore calculators Create an invoice
Instant results Local-first privacy Multi-currency
Profit MarginLive calculation
Cost price$100.00
Selling price$150.00
Profit margin33.33%
Profit$50.00
Markup50.00%
Auto-saved Stays on device
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What do you need to calculate?

Business calculators

Useful every week, not just once.

Each tool gives instant results, clear formulas, and shareable inputs.

Document workflow

Create polished business documents in minutes.

Add your logo, customize currency and tax, autosave drafts, and print or export to PDF.

Invoice

Create a professional invoice, autosave it locally, and export it as PDF.

Create invoice

Quotation

Build a clear customer quotation with pricing, terms, and validity date.

Create quotation

Receipt

Generate a clean payment receipt for customers and your records.

Create receipt

Purchase Order

Prepare a purchase order with supplier, delivery, and line-item details.

Create purchase order
Designed for real work

Fast enough for daily use. Clear enough to trust.

Instant and lightweight

No heavy dashboard or account wall. Open a tool and start working.

Local-first privacy

Inputs and document drafts stay in your browser unless you later choose cloud sync.

Ready to expand globally

Multi-currency today, multilingual routes and localized rules next.

Start with a useful result

Calculate your margin, then create the quotation.

Move from planning to a customer-ready document without switching tools.

Calculate marginCreate quotation