# ViewKit: View HDF5, Parquet, CSV, Arrow & more data files online

> Free online viewer for scientific and ML data files: HDF5, Parquet, Zarr, Arrow, CSV, Excel, JSONL, NumPy, safetensors and more. Everything runs in yo

**Website:** <a href="https://viewkit.app/" rel="noopener sponsored">Website</a>
**Published:** 2026-08-01

## Description

Free online viewer for HDF5, Parquet, Zarr, Arrow, CSV, Excel, JSONL, NumPy and safetensors files. Everything runs in your browser; your data never leaves it.

## Tech Stack

- Web App
- Mobile

## Category

SaaS

## Tags

- saas
- indie
- Founding Listing
- Product Launch
- Directory

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*Listed on [launchlog.ai](https://launchlog.ai/listing/viewkit-app)*