Delta Viewer

View Delta Lake tables and Parquet files as interactive, scrollable tables directly in VS Code.

Features

Parquet file viewing — open any .parquet file directly in VS Code with a tabular viewer
Delta Lake table viewing — automatically detects _delta_log and reads the table
Infinite scroll pagination — streams rows on demand for fast browsing of large datasets
Version history — browse and time-travel through Delta table versions
Table info — inspect metadata, protocol versions, partitioning, file stats, and configuration
Theme-aware UI — adapts to your VS Code color theme

Open a Parquet file — double-click any .parquet file in the explorer
Open a Delta table — run the Delta Viewer: Open Delta Table command and select a directory containing _delta_log/
Open a Parquet file in a Delta folder — double-click any .parquet file within a Delta Lake folder to view the full Delta Lake table
History — click the History button in the toolbar to browse versions; click a version to time-travel
Table Info — click the Info button to view table metadata, protocol versions, and file statistics

Command	Description
`Delta Viewer: Open Parquet File`	Open a Parquet file in the viewer
`Delta Viewer: Open Delta Table`	Open a Delta Lake table directory
`Delta Viewer: Open as Raw Parquet`	Open a file as raw Parquet (bypass Delta detection)

Setting	Default	Description
`deltaViewer.requestTimeout`	`30000`	Timeout in milliseconds for sidecar requests
`deltaViewer.sidecarPath`	—	Override the path to the sidecar binary

This extension bundles a native sidecar binary for reading Delta and Parquet files. Platform-specific builds are available for: