Last updated: September 11, 2026
Cookies are small text files stored on your device when you visit a website. They help the site remember your preferences and provide a better experience.
| Cookie | Purpose | Duration |
|---|---|---|
| next-auth.session-token | Keeps you signed in to your account | 30 days |
| next-auth.csrf-token | Protects against cross-site request forgery | Session |
| next-auth.callback-url | Redirects you after signing in | Session |
We use Google Analytics 4 (GA4) to understand how visitors use our site. GA4 may set cookies such as _ga and _ga_* to distinguish unique users and track sessions. These cookies are only set if you accept analytics cookies via our consent banner.
We use Google AdSense to display advertisements. AdSense may set cookies to serve ads based on your interests and browsing history. These cookies are only activated if you accept cookies via our consent banner. You can opt out of personalized advertising at Google's Ad Settings.
When you use Google sign-in or make a payment through Stripe, those services may set their own cookies. We do not control these cookies. Please refer to Google's and Stripe's respective cookie policies for details.
When you first visit NexTool, a cookie consent banner allows you to accept or decline non-essential cookies. Essential cookies (authentication, security) are always active. Analytics and advertising cookies are only set with your consent. You can change your preference using the controls below. Withdrawing acceptance reloads the page to remove scripts already loaded. Previously set cookies can be removed using your browser settings. Your choice is stored locally on this device.
Optional cookies enable analytics and advertising. Accept or decline; essential account and security functions remain available. Cookie Policy
Current choice: not selected.
You can control and delete cookies through your browser settings. Note that disabling cookies will prevent you from signing in to your NexTool account.
If you have questions about our use of cookies, please visit our Contact page.
While you're here, check out our tools
Explore calculators and converters. Account features use essential account and security cookies.
Explore Tools