Fastest end-to-end CSV ingestion for Ruby (with C acceleration). SmarterCSV auto-detects formats, applies smart defaults, and returns Rails-ready hashes for seamless use with ActiveRecord, Sidekiq, parallel jobs, and S3 pipelines — even for messy user-uploaded real-world data.

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• Updated Nov 6, 2026
• Ruby

A CSV file reader, with many features, and the ability to work with large datasets.

csv csv-reader csv-processor

• Updated Sep 6, 2021
• JavaScript

Free, open-source Shopify product CSV editor that runs in your browser. Fix variant structures with templates, bulk-edit products, tags and prices, and export a CSV Shopify imports cleanly. Your data never leaves your computer.

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• Updated Oct 20, 2026
• TypeScript