Privacy Policy
Last updated: June 2026
We do not store your files
Uploaded files are read in memory solely to extract column statistics. No file content is written to disk or retained after your assessment completes. Your data never leaves the processing pipeline.
We do not store assessment results
Assessment results are held temporarily in your browser's session storage and are automatically cleared when you close your browser tab or click "Assess another dataset." We do not retain results on our servers.
Data sent to OpenAI
Column names and a representative sample of your data values (up to 30 values per column) are sent to OpenAI's API for AI analysis. Before any data is transmitted, we automatically scan for personally identifiable information (PII) — including email addresses, phone numbers, Social Security numbers, and credit card numbers — and mask detected values with placeholder tokens (e.g. [EMAIL], [PHONE]). OpenAI never sees your original PII values. This masking step runs locally on our servers before AI analysis begins. Data sent to OpenAI is used solely to generate your assessment and is subject to OpenAI's privacy policy.
Sampling methodology
We analyze a stratified sample of up to 150 rows from your dataset — drawn from the top, middle, and bottom of your file to ensure representative coverage. Up to 30 values per column are included in the sample. This approach is sufficient to identify data quality patterns and structural issues without processing your entire dataset.
No account required
We do not collect your name, email address, or any personal information. No login is required to use this tool.
Session data
This tool uses browser session storage — not cookies — to pass your prepared dataset between the upload and results pages. Session storage data is local to your browser and is cleared when your tab closes or when you start a new assessment.
Contact
For privacy questions or concerns, contact us at our contact page.