Invoice Maker
Create a clean invoice, save it as a PDF and keep your details on your own device. No sign-up.
Open Invoice Maker
Free tools, live now
Tools that work for you. Your data stays yours.
zastech builds focused web tools that run in your browser. Open one, get the job done, and your files stay on your own computer.
Processed inside your own browser. Nothing travels to a server.
Tools
Small tools, built to be trusted.
Each tool does one job well. More are on the way, and the first one is ready to use today.
Compliance toolkit
Browser-based checks and documents for software teams that need to meet new rules.
Follow progressIT health reports
Turn technical scan results into clear, client-ready reports for IT service providers.
Follow progressPrivacy
Privacy is how we build, not a feature.
We design tools so there is nothing of yours for us to hold in the first place.
Runs on your device
The tool loads once, then works inside your browser. Your information is not sent to us.
No account needed
Start straight away. We don’t ask for your email to let you in.
Simple by design
One job per tool, explained in plain language, so it is easy to understand and trust.
FAQ
Questions, answered.
Are the tools really free?
Yes. The tools listed as live are free to use today. Paid plans for advanced tools may come later, and we will say so clearly.
Where does my data go?
Tools are built to run in your browser, so your files stay on your device. If a future tool ever needs a server, we will say so before you use it.
Who builds zastech?
zastech is run by Zubair Ahmed Siyal, an IT educator who spent nine years teaching IT and now builds tools in Python and JavaScript.
How can I share feedback?
The best way is a message on LinkedIn. You can also see the code and projects on GitHub.
See the next tool first.
Follow zastech on LinkedIn for new tools and short write-ups.