Effective Date: January 16,
2026
Last Updated: January 16, 2026
8621Calculator.com respects your privacy. This Privacy Policy explains how information is handled when you use the 8621Calculator.com calculator and related resources.
8621Calculator.com is an independently developed tax calculation and preparation tool. It is not affiliated with the IRS, any tax authority, or any professional organization.
8621Calculator.com does not require account registration and does not collect:
You may use the calculator without creating an account or verifying an email address.
The calculator allows users to upload CSV files containing transaction-level data only (such as dates, amounts, currencies, and transaction types).
Uploaded CSV files are used only to perform the calculation requested by the user and to provide user-initiated support or troubleshooting when an error occurs.
8621Calculator.com does not use uploaded CSV data for analytics, marketing, advertising, profiling, automated decision-making, or AI / machine learning training.
Uploaded CSV data is not shared with third parties.
An email address may be requested and processed as part of the license and access control mechanism, including:
Email addresses are:
Payments are processed through secure third-party payment providers.
8621Calculator.com:
Payment handling is governed by the privacy policies of the payment platform.
8621Calculator.com does not use cookies for advertising, profiling, or behavioral tracking.
Basic server logs (such as IP addresses or user agents) may be collected by hosting infrastructure for security and operational integrity only.
8621Calculator.com does not sell, rent, or disclose user data.
No uploaded data or emails are shared with:
Reasonable technical safeguards are used to protect the site. However, no system can guarantee absolute security. Users should upload only data they are comfortable handling independently.
This Privacy Policy may be updated. Any changes will be reflected on this page with an updated “Last Updated” date.