Free, fast, multilingual online tools.
tools.ictzaman.com is a free collection of online calculators and unit converters built to solve everyday problems quickly — no sign-up, no app to install, and it works on any phone or computer.
Our platform includes over a thousand tools across several categories:
• Unit converters — length, weight, area, volume, temperature, data, speed and more, in 7 languages.
• Finance calculators — EMI, DPS, FDR, compound interest, income tax, VAT, currency and others.
• Bangladesh utilities — electricity bill, passport fee, land registration, holding tax, and more.
• Developer tools — Base64, JSON formatter, timestamp converter and others.
We believe simple, accurate tools should be free and available to everyone in their own language. Every calculation runs privately in your browser, and every result comes with a clear explanation so you understand not just the answer, but what it means.
We work hard to keep formulas correct and government rates up to date. However, fees and tax rates set by authorities can change; where a tool depends on such rates, please verify with the official source before making decisions. See our Terms of Use.
Suggestions or found an error? Visit our Contact page — we'd love to hear from you.