MockNova - Free Online Data Cleaner & Data Anonymizer

MockNova is a free, online tool designed for developers, testers, and data analysts who need to clean messy data or anonymize sensitive information without signing up. Our tool runs 100% in your browser, ensuring your data never leaves your machine.

Key Features:

• Free Data Cleaner: Standardize dates, fix casing, remove duplicates, and impute missing values in your CSV, Excel, or JSON files.
• Data Anonymizer: Mask PII (Personally Identifiable Information), spoof names/emails, and generalize data for safe testing.
• Mock Data Generator: Create realistic relational data with custom schemas and logic.
• No Signup: Start cleaning or generating data immediately. No account required.
• Privacy First: All processing is local. We don't store your data.

Why use MockNova?

Unlike other enterprise tools that require expensive subscriptions, MockNova is built for the individual contributor. Whether you are a junior analyst cleaning a messy spreadsheet or a developer needing test data, MockNova provides a fast, free, and secure solution.