
Vue.js
Next.js
Svelte
Tailwind CSS
Angular.io
Node.js
AngularJS
A JavaScript library for building user interfaces

Microsoft Office Excel
Google Sheets
DB Browser for SQLite
Modern CSV
LibreOffice
Airtable
Apache OpenOffice Calc
100% local, zero uploads. Process millions of rows entirely in your browser. The ultimate privacy-first toolkit for CSV, ecommerce, and marketing data.

Which is more popular?
Based on our record, React seems to be more popular. It has been mentioned 818 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | reactjs.org | dataprep.dev |
| Pricing | ||
| Platforms | — | |
| Company | Startup from the United States | Startup from the United States · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of React yet.
The Browser Data Toolkit for Privacy-Conscious Professionals dataprep.dev is a 100% local, pure-browser data processing engine designed to solve the biggest headaches in data preparation: Excel crashes and privacy risks. Powered by cutting-edge DuckDB-Wasm technology, our toolkit brings...
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of dataprep.dev yet.
Walkthroughs and reviews on video.
What Is React?
More videos
Instant SQL on CSV in Browser (DuckDB-Wasm) - Zero Uploads
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing React and dataprep.dev.
dataprep.dev's answer:
I was trying to clean up a massive, messy Shopify order export. Excel kept freezing, and I absolutely refused to upload sensitive customer emails to random online converters. I got so frustrated that I decided to stop complaining and build a local-first toolkit to solve my own workflow nightmare.
dataprep.dev's answer:
1, Indie hackers and solo founders. 2, Boutique digital marketing agencies. 3, Privacy-conscious data freelancers.
dataprep.dev's answer:
Most data tools force you to upload your CSVs to their servers. We don't. We compiled DuckDB into WebAssembly, meaning you get a blazing-fast, database-level engine running entirely inside your local browser tab. It's 100% private and works instantly.
dataprep.dev's answer:
If you try to open a 2GB CSV in Excel, it freezes and crashes. If you use Python Pandas, you have to write code and manage environments. dataprep.dev gives you the power of code (SQL queries, regex, merging 50 files) with a simple drag-and-drop UI, without ever freezing your computer.
dataprep.dev's answer:
E-commerce sellers flattening messy Shopify exports, performance marketers cleaning ad reports, and data analysts who need to anonymize PII (GDPR compliance) before feeding datasets to AI models like ChatGPT.
dataprep.dev's answer:
DuckDB-Wasm is the core data engine handling the heavy lifting. The frontend is built with React/Next.js and styled with Tailwind CSS. It's a modern, serverless architecture.
Share your experience with using React and dataprep.dev. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


ReactJS is a JavaScript based UI development library which is developed by Facebook. It is an open-source framework which is widely used by developers for web development. One of the major reasons why React.JS is...
React’s the cool kid on the block, turning heads since Facebook dropped it at our feet. Building dynamic user interfaces feels less like coding, more like crafting with this JavaScript library.
React uses a virtual DOM to optimize the performance of UI updates and follows a one-way data flow for easy tracking of data changes. With its active community and abundance of third-party resources and libraries,...
We have no reviews of dataprep.dev yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Let's start by preparing a sample application that we want to place in a Docker image. This will be a web application created using the React framework and its create-react-app tool. It will generate a code template and configuration,... - Source: dev.to / over 1 year ago
Python integrates seamlessly with machine learning (TensorFlow, PyTorch) and data analytics stacks (Pandas). Node.js integrates better with frontend JS ecosystems like React, Vue, and Next.js. - Source: dev.to / about 1 year ago
Dora AI exemplifies this. Allan Murphy Bruun adds, "What makes it different is its context-aware logic stitching that understands user flows beyond just UI elements." By analyzing Figma designs, it generates React code with state... - Source: dev.to / about 1 year ago
Tracking dataprep.dev since Jul 2026.
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News. 2017-09-28 - Added PortableApp version of 3. 10. 1. Thanks John.
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