326 financial calculators one click away. Right-click any number to calculate salary, tips, taxes, and more — without leaving the page.
Free forever. No account required. Works on Chrome, Edge, Brave, Opera, and Arc.
No sign-up needed. Install, pin, and start calculating.
Click the button above to install from the Chrome Web Store. It takes 2 seconds.
Click the puzzle icon in your toolbar and pin NexTool for quick access.
Click the icon or right-click any text to access 326 calculators instantly.
Right-click any number or price on any website and get instant financial insights.
Browsing Amazon? Right-click any price to calculate unit cost, compare deals, or check if a sale is actually worth it.
On Glassdoor or LinkedIn? Instantly convert annual to hourly, compare offers with tax impact, and calculate take-home pay.
Reading about a raise or bonus? Highlight any dollar amount and get an instant tax estimate without leaving the page.
Checking a restaurant menu online? Calculate tips for any amount with customizable percentages in seconds.
The Chrome extension is coming soon. Join the waitlist to be the first to know.
Everything you need to know about the NexTool Chrome extension.
Yes, completely free. All 326 calculators are available at no cost. NexTool Pro subscribers get additional features like ad-free experience and premium calculators.
Currently we support Chrome and Chromium-based browsers (Edge, Brave, Opera, Arc). Firefox and Safari extensions are on our roadmap.
No. The extension runs entirely in your browser. We don't track your browsing history, collect personal data, or sell any information. Your privacy is our priority.
Select any number or text on a webpage, right-click, and choose a NexTool calculator from the context menu. The result appears instantly in a popup — no page navigation needed.
Not at all. The extension is lightweight (under 500KB) and only activates when you click it or use the right-click menu. It uses zero resources in the background.
Yes! You can pin your favorite calculators to the extension popup, hide ones you don't use, and organize them in your preferred order.
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