Free browser-based tools for freelancers and small businesses — VAT calculator, invoice generator, freelance tax estimator, break-even calculator, password generator, and more. No sign-up, no paywall, no account. Everything runs directly in your browser, so your data never touches a server.
No reviews yetBe the first to leave a review for Cloistr
Maker
📌
Hey,
I built Cloistr because I kept googling things like "free VAT calculator" and landing on pages with three sign-up walls before I could even use the thing.
Cloistr is a growing set of small, free tools for freelancers and small businesses — VAT calculator, invoice generator, freelance tax estimator, password generator, and more. No account, no email, no paywall — and it'll stay that way.
The site runs on ads to keep it free, not subscriptions or sign-ups.
Everything runs directly in your browser, so nothing you enter ever touches a server.
16 tools live so far, more on the way. Built solo — genuinely curious what you'd want to see next.
Report
Really love that everything runs in the browser with no sign-up, that kind of privacy-first approach is honestly so rare these days. One thing that would make it way more useful for me though is adding a simple export to PDF option for the invoice generator, since most clients expect a proper PDF attachment rather than just a print view. Would basically round out the whole freelancer workflow.
Report
Maker
@apehivan7227 I just tested it, it actually downloads a pdf on my end. What browser/device were you on when you tried it?
Report
Took the VAT calculator for a spin and it was refreshingly fast, no flickering ads or surprise sign-up popups. The whole thing just feels respectful of your time.
Report
Love that everything runs locally with no sign-up. One thing that would make it even more useful for me is a built-in currency converter that pulls in live exchange rates for when I'm invoicing international clients, or at least lets me input custom rates and lock them to a specific invoice date.
Report
Love that everything runs in-browser and there's no sign-up, makes it so easy to just pop in and use. One thing that would help me a lot: a CSV export option for the invoice generator so I can quickly import line items from a spreadsheet instead of typing each one out. Would be a great add to an already solid toolkit.
Report
Ran the VAT calculator and the break-even one without even making an account, which is honestly rare these days. Loved that nothing gets sent anywhere, took me 30 seconds to get a real number for a client quote.
Report
Love that everything just runs in the browser with no sign-up nonsense. Honestly the no-server approach is such a smart call for tools handling sensitive stuff like tax estimates and invoices, feels way more trustworthy than most alternatives out there.
Really love that everything runs in the browser with no sign-up, that kind of privacy-first approach is honestly so rare these days. One thing that would make it way more useful for me though is adding a simple export to PDF option for the invoice generator, since most clients expect a proper PDF attachment rather than just a print view. Would basically round out the whole freelancer workflow.
@apehivan7227 I just tested it, it actually downloads a pdf on my end. What browser/device were you on when you tried it?
Took the VAT calculator for a spin and it was refreshingly fast, no flickering ads or surprise sign-up popups. The whole thing just feels respectful of your time.
Love that everything runs locally with no sign-up. One thing that would make it even more useful for me is a built-in currency converter that pulls in live exchange rates for when I'm invoicing international clients, or at least lets me input custom rates and lock them to a specific invoice date.
Love that everything runs in-browser and there's no sign-up, makes it so easy to just pop in and use. One thing that would help me a lot: a CSV export option for the invoice generator so I can quickly import line items from a spreadsheet instead of typing each one out. Would be a great add to an already solid toolkit.
Ran the VAT calculator and the break-even one without even making an account, which is honestly rare these days. Loved that nothing gets sent anywhere, took me 30 seconds to get a real number for a client quote.
Love that everything just runs in the browser with no sign-up nonsense. Honestly the no-server approach is such a smart call for tools handling sensitive stuff like tax estimates and invoices, feels way more trustworthy than most alternatives out there.