or click to browse
Drag and drop any CSV file onto the page, or click to browse. Your file stays in your browser — nothing is uploaded.
Instantly see all your data in a fast, sortable grid. Search across all columns, filter individual columns, and sort with a click.
Download your data as CSV, JSON, Parquet, or Excel. Export the filtered view or the full dataset.
Your files never leave your browser. All processing happens locally using WebAssembly — no uploads, no servers, no tracking.
Powered by DuckDB, the same engine used by data teams worldwide. Sort, filter, and search millions of rows in milliseconds.
Handle files with millions of rows. Virtual scrolling keeps the interface smooth regardless of dataset size.
No sign-up, no credit card, no hidden limits. Use these tools as much as you need, completely free.
Whether you need to quickly inspect a CSV export from your database, preview data before importing into a spreadsheet, or explore a dataset you downloaded from Kaggle — this free CSV viewer handles it all. Data analysts use it to preview large files that crash Excel. Developers use it to validate CSV output from ETL pipelines. Business users use it to explore reports without installing any software.
Yes, completely free with no limits. No sign-up or credit card required. Use it as much as you want.
Your data never leaves your browser. All processing happens locally using WebAssembly technology. We never see, store, or transmit your files.
You can open CSV files up to several hundred megabytes. The viewer uses virtual scrolling, so even files with millions of rows remain smooth and responsive.
Yes. Click any column header to sort ascending or descending. Use the column filter inputs to filter by specific values, or use the global search to find text across all columns.
You can export your data as CSV, JSON, Apache Parquet, or Excel (.xlsx). You can export either the filtered view or the complete dataset.
Yes. The viewer automatically detects the delimiter used in your file, including commas, tabs, semicolons, and pipes.
This viewer is read-only. To edit your CSV data, use our free CSV Editor — you can switch to it directly from the viewer without re-uploading your file.
No. This tool runs entirely in your web browser. No downloads, plugins, or extensions required.
Edit CSV files directly in your browser. Add rows, rename columns, find and replace, then export as CSV, JSON, Parquet, or Excel.
View Excel files (.xlsx, .xls) instantly in your browser. Sort, filter, search across sheets. No upload required — your data never leaves your device.
View Parquet files online without Python. Inspect schema, browse data, check row group metadata. 100% free, no row limits.
Convert CSV files to Apache Parquet instantly in your browser. No upload, no Python, no install. Smaller files, faster queries, type-safe columns.