HelloCSV

lastmod 2025-05-16created 2025-05-161 edits

A modern CSV uploader that works on the frontend alone

Features

• A frontend-only CSV importer library that minimizes errors and user inconvenience in the CSV file upload process common in today's web apps
  • Data can be previewed and edited before upload
  • Supports automatic format converters for things like phone numbers, while showing the changes to the user in advance
• Provides a 4-step UI process in which users themselves perform column mapping, data review, and validation before upload
• Developers can freely configure custom columns, validation, and transformation logic, and it is not tied to any specific framework
• Can be easily imported via CDN, and an npm package is also provided for installation
• MIT license
• Useful for B2B SaaS, internal company tools, admin dashboards, and more

See aslo

• CSV

Favorite site

• Github - HelloCSV/HelloCSV