Flatfile – a drop-in CSV / XLS importer for web apps
Flatfile is the AI data preparation and migration software that helps teams extract, prepare, map, transform, and validate messy data.
Flatfile – a drop-in CSV / XLS importer for web apps launched on February 5, 2019 with 54 votes, #783 of 3,290 launches that month and more than 90% of that year's launches. The site was still online in September 2026, 7 years on.
In plain words
Flatfile is a drop-in CSV and XLS importer for web applications that uses AI to help teams handle messy data. It extracts, prepares, maps, transforms, and validates data without requiring users to manually process files. The tool is designed for development teams that need to streamline data import workflows and reduce errors when handling spreadsheet uploads.
written from the facts on this page · September 2026
Does a similar job
all alternatives →
Flatfile Data Exchange Platform2023 · flatfile.com · ▲173API-based platform to build ideal data-file import solutions
HelloCSV - A free FlatFile alternative2025 · hellocsv.github.io · ▲123A modern, frontend only, open source, CSV importer
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