Free · No Sign-up · Privacy-first

About Altairys

Altairys is a collection of 167+ free, fast, and reliable online tools built for students, developers, and professionals. Everything runs directly in your browser — your data never leaves your device. Forever free, no account needed.

Explore Tools

Our Mission

Privacy First

All processing happens in your browser. We never upload your files or data to any server.

Instant & Free

No sign-up, no subscriptions, no watermarks. Just open a tool and start using it.

Works Everywhere

Fully responsive and installable as a PWA. Use Altairys on desktop, tablet, or mobile.

What We Offer

CalculatorsAge, BMI, EMI, Percentage

Image ToolsCompress, Resize, Convert

PDF ToolsImages to PDF

Dev ToolsJSON, Hash, Base64, URL

Text ToolsWord Counter, TTS

GeneratorsQR Code, Password, Number Words

Built With

Angular 20Standalone components, Signals

TypeScriptStrict mode, full type safety

Angular SSRServer-side rendering

FirebaseHosting & CDN

PrimeNGUI components

PWAWorks offline, installable

Created By

Dinoraj

Senior Software Engineer · Chennai, India

Angular SpecialistMicrofrontend ArchitectureTypeScriptSSR & PWAUI/UX Engineering

Passionate about building fast, accessible, and delightful web experiences. Altairys is a personal project to make powerful browser-based utilities freely available to everyone — no servers, no sign-ups, just tools that work.

Dino Creationz