Exams & results
Z-scores, cut-off marks and university choices.
Free · No signup · Sources cited
Free tools for life in Sri Lanka.
Check exam results, decode NICs, estimate bills and more. Over 1,050 free tools.
Free, always
No paywall on any tool.
No signup
Open a tool and use it.
Sources cited
Every figure names its source.
Runs in your browser
Your numbers stay on your phone.
What do you need to do?
Start with the job, not the tool name
Vehicles & travel
Plates, fines, fares and train times.
ID & documents
Decode an NIC, find your office, check a number.
Bills, tax & money
Electricity, income tax and welfare payments.
Sinhala & text
Unicode conversion, numbers in words, land units.
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Hi, I'm Induwara. I build these tools.
I study Information Systems at UCSC and co-founded Ryzera Technologies, where we build software for clients in Sri Lanka and beyond.
In my free time I build simple, free tools for everyday problems.
- Studying Information Systems, UCSC
- Role Co-Founder, Ryzera Technologies
- Based in Sri Lanka
- Built 1,050+ free tools
Co-Founder
Ryzera Technologies
We build products and internal tools for clients across Sri Lanka and the region.
Side project
induwara.lk tools
Free, no-signup tools for exams, vehicles, bills, Sinhala text and more.
How every tool works
Answer first, working shown, source named
- 1
Open a tool
No account and no app. It works on any phone.
- 2
Enter your numbers
Results update as you type, right on your device.
- 3
Check the working
Every result shows the steps and the official source.
FAQ
People often ask
Quick answers for visitors landing here from a Google search.
- Who is Induwara Ashinsana?
- Induwara Ashinsana is a Sri Lankan student and software engineer. He's currently studying Information Systems at the University of Colombo School of Computing (UCSC) and is a Co-Founder of Ryzera Technologies. He builds the free tools published at induwara.lk.
- What is induwara.lk?
- induwara.lk is Induwara Ashinsana's personal site and a public library of small, free, no-signup tools: tax and finance calculators, document and image utilities, AI helpers, developer tools and more. Each tool cites its source, runs in your browser or on the server, and never asks for an account.
- Where is Induwara Ashinsana based?
- Induwara is based in Sri Lanka and works remotely with clients across South Asia through Ryzera Technologies.
- What is Ryzera Technologies?
- Ryzera Technologies is a Sri Lanka–based software company co-founded by Induwara Ashinsana. The team builds products and internal tooling for clients across Sri Lanka and the region.
- How can I contact Induwara?
- Send a message through the contact form on this page, or email [email protected]. Induwara reads every message and usually replies within a couple of days. For public links, see github.com/iashinsana and his LinkedIn profile.
Contact
Say hello
Project, idea, job or bug report. Send a message and I'll reply, usually within a couple of days.