qsv is a fast, command-line CSV data toolkit written in Rust that extends the capabilities of xsv. It’s designed to make working with CSV files at scale easy and efficient, offering over 40 powerful subcommands for tasks like querying, sampling, splitting, deduplicating, and more. qsv is ideal for data engineers, analysts, and developers who need high-performance CSV manipulation on the command line.

Features

  • High-speed CSV processing using Rust and SIMD
  • Supports SQL-like querying with embedded SQLite
  • Over 40 commands including sort, join, stats, and dedup
  • Smart sampling and schema inference tools
  • Works with large datasets and gzipped files
  • Optional integration with Python and Polars

Project Samples

Project Activity

See All Activity >

Categories

CSV

Follow QSV

QSV Web Site

Other Useful Business Software
Forever Free Full-Stack Observability | Grafana Cloud Icon
Forever Free Full-Stack Observability | Grafana Cloud

Our generous forever free tier includes the full platform, including the AI Assistant, for 3 users with 10k metrics, 50GB logs, and 50GB traces.

Built on open standards like Prometheus and OpenTelemetry, Grafana Cloud includes Kubernetes Monitoring, Application Observability, Incident Response, plus the AI-powered Grafana Assistant. Get started with our generous free tier today.
Create free account
Rate This Project
Login To Rate This Project

User Reviews

Be the first to post a review of QSV!

Additional Project Details

Programming Language

Rust

Related Categories

Rust CSV Software

Registered

2025-06-04