Securely Clean, Analyze, Visualize, and Model your CSV & JSON files—no uploads required.
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Your data stays on your computer. We never see or store it.
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Your Data, Your Control: A Truly Private Data Workflow
In an age of data breaches, privacy is paramount. Unlike other online data tools that require you to upload sensitive files to their servers, DataGridInsights operates entirely within your browser. This means your data never leaves your computer. It's the most secure way to handle data preparation and analysis for tasks involving confidential, personal, or proprietary information.
A Complete Data Toolset in Your Browser:
Interactive Data Cleaning: Get a "Data Health Report" on your file. Interactively choose how to handle null or empty values by removing rows or filling them with the column's mean or median.
Instant Data Visualization: After cleaning, the tool automatically generates an interactive dashboard with charts and statistics, helping you find insights in your data immediately.
In-Browser Machine Learning: Run classification, regression, and clustering models on your data instantly. Train a model, evaluate its performance, and make predictions without any server interaction.
Fix Whitespace & Empty Rows: Instantly trim leading/trailing whitespace from all cells and remove blank lines that can interfere with analysis.
Large File Support: Our advanced streaming parser can handle massive CSV files (hundreds of megabytes) without crashing your browser, making it perfect for serious data tasks.
How to Clean and Analyze Your Data (3 Easy Steps)
Upload Your File: Drag and drop your CSV or JSON file into the box above, or click "Browse Files" to select it.
Create a Cleaning Plan: Our tool instantly analyzes your file and presents a Data Health Report. Use the interactive cards to decide how to handle issues like missing data.
Visualize, Model, and Download: Click "Clean & Process Data". The tool applies your rules and generates an interactive dashboard and machine learning lab. You can then download the perfectly cleaned file.