About ZIAIZ

150+ free online tools built for students, professionals, developers, and everyone in between.

Our Mission

ZIAIZ was created with one simple idea: everyday tools should be free, fast, and private. No account needed. No paywalls. No uploading your sensitive data to some server. Everything runs right in your browser.

Whether you're calculating your home loan EMI, compressing a photo, checking your BMI, or generating a QR code — ZIAIZ has a tool for it. And it's completely free.

150+

Free Tools

10+

What We Offer

💰

Finance Tools

EMI, SIP, GST, Mortgage, ROI, Retirement, Compound Interest calculators and more.

❤️

Health & Fitness

BMI, TDEE, Macro, Pregnancy Due Date, Ovulation tracker, Calorie Deficit and more.

🛠️

Developer Tools

JSON formatter, UUID generator, Base64, regex tester, meta tags, cron expression builder.

🖼️

Image Tools

Compress, resize, convert JPG↔PNG — all in-browser, completely private.

📝

Text Tools

Word counter, case converter, Lorem ipsum, find & replace, duplicate line remover.

🔄

Unit Converters

Length, weight, temperature, currency, speed, volume, energy — 20+ converters.

🔒 Privacy First

Your data never leaves your device. All calculations, image processing, and text operations happen entirely in your browser. We do not collect, store, or transmit any of the data you enter into our tools.

We use Google Analytics to understand traffic patterns (anonymised) and show Google AdSense ads to keep the service free. See our Privacy Policy for full details.

Start Using Free Tools

No account. No download. Just open and use.

Browse All 150+ Tools →