Detect Corrupted Rows

What is Detect Corrupted Rows?

Detect Corrupted Rows is a free, browser-based tool that helps you understand a dataset at a glance. Spot rows with shape or type mismatches. It's built for speed and privacy: Everything runs locally in your browser — your data is never uploaded to a server. No sign-up, no installs, and no daily limits.

Used by

• QA engineers
• Backend developers
• Data engineers
• API testers
• Analysts
• Researchers

Recommended workflow

1. 1

   Prepare the input

   Profile the data first so missing values, types, duplicates, and outliers are visible before you edit it.

2. 2

   Run Detect Corrupted Rows

   Review the preview, copy or download the result, and keep everything local in your browser.

3. 3

   Next recommended tool

   Inconsistent Data Finder: Flag inconsistent formats inside a column.

   Open tool
4. 4

   Then continue with

   Invalid Row Detector: Flag rows that violate a schema or per-column constraints.

   Open tool
5. 5

   Then continue with

   Credit Card Format Checker: Validate card number format and Luhn check.

   Open tool

Frequently asked questions

How do I use Detect Corrupted Rows?

Paste or drop your data into the workspace, adjust the options to fit your data, then copy or download the result. Spot rows with shape or type mismatches.

Is my data uploaded or stored anywhere?

No. Everything runs locally in your browser — your data is never uploaded to a server. Nothing is sent to a server, so it's safe to use with private or sensitive data.

Is Detect Corrupted Rows free?

Yes — it's completely free with no account, no sign-up, no watermark, and no daily usage limits.

What's the maximum file size?

There's no hard limit imposed by the tool. Because processing happens in your browser, the practical ceiling is your device's available memory — most everyday files work instantly.

Do I need to install anything?

No installs and no extensions — it runs entirely in your web browser and even works offline once the page has loaded.