Browser-based utilities for developers, students, and creators. No sign-up, no data collection, no ads. Just tools that work.
Stay focused with timed work sessions. Customizable durations, audio alerts, fullscreen mode, and session tracking.
→Write Markdown and see the rendered HTML output in real-time. Export to HTML.
Distraction-free notepad that auto-saves to your browser. No account needed.
Generate QR codes for URLs, text, Wi-Fi, contacts, and more. Download as PNG or SVG.
→Generate strong, random passwords with customizable length and character sets. Uses crypto.getRandomValues() — never stored or transmitted.
→Calculate exact crypto position sizes based on your account balance, risk %, entry price, and stop-loss. Includes R:R ratio and leverage warnings.
→Calculate your exact crypto profit, ROI, and tax estimate. Enter buy price, sell price, investment amount, and fees. Includes What If? price scenarios.
→Simulate dollar cost averaging into Bitcoin or any crypto. Compare DCA vs lump sum, see your average cost basis, and view a full purchase schedule.
→See exactly how your money grows with compound interest. Adjust principal, rate, frequency, contributions, and inflation. Full yearly breakdown included.
→Every tool on this page runs entirely in your browser. Your data never leaves your device. There are no cookies (except analytics), no sign-up walls, no ads, and no premium tiers. Just bookmark and use.
Built with modern web standards (HTML, CSS, vanilla JavaScript) for maximum compatibility and performance. Works on desktop, tablet, and mobile. No frameworks, no build steps, no dependencies.