Privacy Policy
Last updated / Effective date: September 2026
Data We Don't Collect
This calculator runs entirely in your browser. The income figures, filing status, and deduction amounts you enter are never sent to our servers. We do not store, transmit, or share your financial information.
Cookies We Use
You can accept or decline non-essential cookies via the banner shown on your first visit; your choice is stored in your browser (consent_analytics) and can be changed at any time by clearing your browser's site data for this domain.
| Cookie / Storage Key | Purpose | Provider | Duration |
|---|---|---|---|
| consent_analytics | Remembers your cookie consent choice | First-party (this site) | Until cleared |
| _ga, _ga_* | Distinguishes visitors for analytics reporting | Google Analytics | Up to 2 years |
| IDE, test_cookie | Ad personalization and frequency capping | Google AdSense | Up to 13 months |
| Affiliate referral cookies | Tracks referrals for commission attribution | TurboTax, H&R Block, SmartAsset | Varies by partner |
Analytics
We use Google Analytics 4 to understand how visitors use the site (page views, traffic sources, device types). Google Analytics collects anonymized data. You can opt out using the Google Analytics Opt-out Browser Add-on.
Advertising
We use Google AdSense to display advertisements. Google may use cookies to show ads based on your interests. See Google's Privacy Policy for details.
Affiliate Links
This site contains affiliate links to TurboTax, H&R Block, and SmartAsset. Clicking these links may place cookies on your browser so those companies can track referrals. We earn a commission if you complete a purchase through our links.
California Privacy Rights (CCPA)
California residents have the right to know what personal data is collected, request deletion, and opt out of the sale or sharing of personal information. We do not sell your personal information. To exercise your rights, contact us at hello@californiaincometaxcalculator.com.
Do Not Sell or Share My Personal Information
We do not sell your personal information for money. However, our use of Google Analytics and Google AdSense cookies may be considered "sharing" of information (such as your IP address and browsing behavior) with third parties for advertising purposes under the CCPA/CPRA.
You can opt out of this sharing at any time by:
- Clicking "Decline" on the cookie consent banner shown on your first visit to this site
- Using the Google Analytics Opt-out Browser Add-on
- Using your browser's "Do Not Track" or Global Privacy Control (GPC) signal, which we honor where technically supported
- Emailing hello@californiaincometaxcalculator.com with the subject line "Do Not Sell or Share"
Contact
Questions? Email hello@californiaincometaxcalculator.com