Tinkzy is the team behind a growing family of free online products for selling, tax, business paperwork, documents and the web.
Every product works without a paywall.
Open it and start. No account needed.
Built for phones, tablets and desktops.
Where possible, your data stays in your browser.
Each product has its own home and does one job well. More are on the way.
Free invoice and receipt maker. Fill in the details and download a print-ready PDF.
Best for: Small businesses, sellers and freelancers who need to bill customers
Seller fee and profit calculators for Etsy, eBay, Vinted and five more selling apps.
Best for: People who sell online on marketplaces and resale apps
Free 2026 US tax calculators for freelancers, 1099 contractors and the self-employed.
Best for: US freelancers, 1099 contractors and the self-employed
Edit the text in a PDF right in your browser.
Best for: Anyone who needs to fix a PDF without paid software
See in seconds if a site is down for everyone or just you.
Best for: Site owners, developers and curious visitors
Can’t find what you need? Email us.
Yes. Every Tinkzy product can be used for free. Some sites show ads, which keeps them free for everyone.
No. You can open any Tinkzy product and start using it straight away.
Where possible, our products do their work right in your browser, so what you type isn't sent to our servers. Each product's privacy notes explain the details.
Please do. Email us at wadud@tinkzy.com. Many of our ideas come from people who use our products.
No. Freelance Tax Kit gives estimates and general guidance to help you plan. For decisions about your own taxes, check with a qualified tax professional.
Free invoices, receipts and quotes, ready as a PDF in a minute.
Who we are, what we make, and what’s coming next.
Fix the text in a PDF without paid software.
Find out in seconds if a website is down.
Ideas, partnerships or feedback on any Tinkzy product. We’d love to hear from you.