Free · No login · No installation
70+ daily-use business tools. Zero compromise on privacy.
Invoices, calculators, converters, generators — the small tools you reach for a dozen times a week. All free, all in your browser, and none of them ever see your data. Because you shouldn’t have to hand your numbers to a stranger to do your job.
Every “free online tool” has a price. Usually it’s your data.
Paste a contract into a word counter, type salaries into an EMI calculator, generate a password on a random site — and you’ve just shared it with a server you know nothing about. gowin.tools removes the trade-off: the same everyday utilities, built so that nothing you enter ever leaves your device.
Runs in your browser — nothing to install
Every tool executes locally on your device. Nothing you type is uploaded, logged, or stored on a server — because there is no server-side processing to send it to.
No login. No paywall.
Open a tool and use it. No account, no email capture, no “upgrade to unlock” — the whole suite is free, for individuals and businesses alike.
Private by design, not by policy
A privacy policy is a promise. Browser-only execution is a guarantee. Your invoices, salaries, passwords, and documents never leave your machine.
Deliberately minimal
Each tool does one job well, loads instantly, and gets out of the way. No dashboards to learn, no onboarding to sit through.
Nine categories. 70+ tools. One tab.
A sample from each category — the full list lives on the site.
Business
9 toolsInvoice, quote, purchase order & receipt generators
Security
16 toolsPassword generator, JWT decoder, Base64, QR decoder, hash tools
Finance & Money
11 toolsEMI, salary & loan calculators, expense splitter, GST/VAT
Text & Writing
9 toolsWord counter, case converter, text diff, slug & lorem generators
Numbers & Dates
7 toolsAge, working-days & date-difference calculators, countdowns
Dev & Design
6 toolsJSON formatter, colour contrast checker, favicon generator
Productivity
3 toolsPomodoro timer, time-zone buddy, focus tools
Health & Fitness
4 toolsBMI, calorie, water-intake & sleep calculators
Life, School & Fun
9 toolsGPA & grade calculators, recipe scaler, dice, coin flip
gowin.tools — your questions, answered
Is gowin.tools really free? +
Yes — every one of the 70+ tools is free to use, with no account, no trial period, and no paid tier hidden behind it. It is a Golonex initiative, built and maintained by our team.
Where does my data go? +
Nowhere. The tools run entirely in your browser — the calculations, conversions, and document generation happen on your own device. There is no upload step and no server storing what you enter, so there is nothing to leak, sell, or subpoena.
Can I use it for business documents like invoices and quotes? +
That is exactly what the Business category is for. Generate invoices, quotes, purchase orders, and receipts, then download or print them — your client and pricing data stays on your machine throughout.
Do I need to install anything? +
No installation required. It works in any modern browser on desktop or mobile. Bookmark the tools you use often, or open the site whenever you need one.
Why does Golonex build free tools? +
Because the everyday problem — needing a quick calculator or generator and being forced to hand your data to a random website to get it — is exactly the kind of privacy gap we care about. gowin.tools is our answer: useful, fast, and safe by construction.
A Golonex initiative Useful. Fast. Yours.
No sign-up, no catch. Open it, use it, close it — your data was never anywhere else.