Fast viewer for large CSV files
- Forever free. No strings attached.
- Up to 500 million rows loaded from one or multiple files.
- Best for exploratory analysis and querying CSV datasets.
Query data, explore relationships in data, and spot oddities by using best-in-class filtering. CSViewer conveniently indicates values that are excluded from the current selection to provide a better insight into data.
Aggregates and charts are updated immediately when a filter is applied or changed.
With CSViewer, you can quickly understand data by instantly profiling the whole dataset, or any column, or even individual values. See uniques, spot outliers, and detect data quality issues at a glance.
Export the filtered subset of rows into another CSV file for sharing or use in another application.
Alternatively, export into the native for CSViewer .dset file format to save data together with filters and charts. Data in the .dset format is compressed and pre-processed and therefore is loaded in CSViewer 10-100 times faster than CSV files.
If you frequently view and analyze the same file or dataset, you can save the data source configuration, filters, and charts as a view (a .csview file). Open a view and change its data source to re-use filters and charts for another file or dataset.