Nifty Data Pack

9 Nifty extensions for working with JSON, YAML, XML, CSV, SQL and spreadsheets: JSON, YAML, XML, SQL, Data Viewer, SQLite, Spreadsheet Viewer, Paste JSON as Code, Mermaid.

Maintained. No sign-in. No telemetry. Works in VS Code, Cursor, Windsurf, VSCodium and other editors that use Open VSX.

What's in the pack

Installing this pack installs these 9 extensions. Each one works on its own, so you can disable or uninstall any you don't need.

• Nifty JSON: Format, minify, sort keys, query with JSONPath, copy paths, generate TypeScript types, and browse huge JSON files in a fast tree view.
• Nifty YAML: Format YAML without losing comments (Kubernetes-style indents), sort keys, lint with yamllint, copy the key path, and convert to and from JSON.
• Nifty XML: Evaluate XPath with namespaces, copy the XPath of any element, format, minify, check well-formedness and convert XML to JSON.
• Nifty SQL: Format SQL in 20 dialects, including dbt and Jinja templates, with your team's settings.
• Nifty Data Viewer: Open CSV, Parquet and JSON files as a fast table and query them with SQL, powered by DuckDB. Sort, page through millions of rows, and export to CSV, Parquet or JSON.
• Nifty SQLite: Browse and query SQLite databases: tables and views in the side bar, a fast grid for any table, SQL queries with results, and export to CSV or JSON, with no native modules.
• Nifty Spreadsheet Viewer: Open Excel, OpenDocument and other spreadsheets in a fast read-only grid with sheet tabs, formulas, search and CSV export, and compare two workbooks as a diff.
• Nifty Paste JSON as Code: Turn JSON on your clipboard into types for TypeScript, C#, Go, Rust, Python, Java, Kotlin, Swift, Dart and more.
• Nifty Mermaid: Mermaid diagrams with no account: live preview beside .mmd files and Markdown, diagrams in the Markdown preview, syntax highlighting, and export to SVG or PNG.

Install

• VS Code: search for "Nifty Data Pack" in the Extensions view, or install from the Visual Studio Marketplace.
• Cursor, Windsurf, VSCodium, Kiro, Antigravity: install from Open VSX.

Privacy

This extension collects no telemetry and needs no account.

More Nifty tools

• Nifty Data Viewer: CSV & Parquet Viewer with SQL: Open CSV, Parquet and JSON files as a fast table and query them with SQL, powered by DuckDB. Sort, page through millions of rows, and export to CSV, Parquet or JSON. (Open VSX)
• Nifty Essentials Pack: 8 Nifty extensions for everyday editing, whatever language you write: JSON, YAML, Git Links, Todo, Problems, Replace, Explorer+, Shortcut Trainer. (Open VSX)
• Nifty SQLite: SQLite Viewer & Query Editor: Browse and query SQLite databases: tables and views in the side bar, a fast grid for any table, SQL queries with results, and export to CSV or JSON, with no native modules. (Open VSX)
• Nifty JSON: Formatter, Validator & JSONPath: Format, minify, sort keys, query with JSONPath, copy paths, generate TypeScript types, and browse huge JSON files in a fast tree view. (Open VSX)
• Nifty Paste JSON as Code: JSON to Types: Turn JSON on your clipboard into types for TypeScript, C#, Go, Rust, Python, Java, Kotlin, Swift, Dart and more. (Open VSX)
• Nifty Spreadsheet Viewer: XLSX, XLS & ODS: Open Excel, OpenDocument and other spreadsheets in a fast read-only grid with sheet tabs, formulas, search and CSV export, and compare two workbooks as a diff. (Open VSX)

See all 56 Nifty tools at https://getnifty.dev