Software Alternatives & Startups

DevToys VS dataprep.dev

Compare DevToys VS dataprep.dev and see what are their differences

DevToys

A collection of converters, formaters, encoders, generators and other tools for your Windows desktop.

Rating
0 reviews
Pricing
Open source
dataprep.dev

100% local, zero uploads. Process millions of rows entirely in your browser. The ultimate privacy-first toolkit for CSV, ecommerce, and marketing data.

Rating
0 reviews
Pricing
Free

Which is more popular?

Based on our record, DevToys seems to be more popular. It has been mentioned 16 times since March 2021.

social mentions
16 vs 0
Developer Tools popularity
100% vs 0%
alternatives listed
240+ vs 6

Base details

Website, pricing, platforms and company facts side by side.

DevToys
dataprep.dev
Website devtoys.app dataprep.dev
Pricing
Open source
Free
Platforms —
Windows Linux Mac Online +1
Company — Startup from the United States · 1 - 9 employees · 2026
Listed in

About DevToys and dataprep.dev

In their own words, as submitted to SaaSHub.

DevToys
dataprep.dev

No description of DevToys 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...

Read more about dataprep.dev

Features and specs

What each product offers, as listed by its team.

DevToys 4 features
dataprep.dev 4 features
  • Comprehensive Toolset
    DevToys offers a wide range of developer tools in one package, allowing easy access to utilities like JSON formatting, JWT decoding, and text encoding without switching applications.
  • User-Friendly Interface
    The application features an intuitive and clean interface, making it accessible for both novice and experienced developers to quickly find and use the tools they need.
  • Free and Open Source
    DevToys is free to use and open source, allowing users to benefit from community contributions and transparency, while supporting developers who refine and expand its features.
  • Offline Access
    DevToys can be used offline, which is beneficial for developers who need tool access without reliable internet connectivity.

Possible disadvantages

  • Platform Limitations
    As of now, DevToys is primarily available for Windows users, limiting accessibility for developers on other operating systems, such as macOS or Linux.
  • Limited Advanced Features
    While DevToys offers a broad range of basic tools, it may lack some advanced features that specialized standalone applications provide, which might be necessary for more complex tasks.
  • Dependency on .NET
    DevToys requires the .NET 5 or higher framework which may be a drawback for users who prefer to limit dependencies or need a lightweight solution.
  • Potential Redundancy
    Developers who already use a variety of specialized tools or integrated development environments might find some of DevToys' tools redundant, preferring their existing solutions.
  • Data Privacy
    100% local processing (Zero Uploads). Data never leaves your browser.
  • Core Engine
    Powered by DuckDB-Wasm for database-level speeds without a backend.
  • Key Tools
    SQL on CSV, CSV Merger, GDPR Anonymizer, & JSON Flattening.
  • E-commerce Ready
    Instantly clean and flatten Shopify, Amazon, and Stripe export reports.

Analysis

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

DevToys
dataprep.dev

Overall verdict

  • DevToys is a valuable tool for developers, providing a wide range of utilities in a single, easy-to-use application. It is well-received for its functionality and convenience.

Why this product is good

  • DevToys is considered good because it offers a suite of handy developer tools integrated in one application, eliminating the need to search for different tools online. It includes utilities for text manipulation, data formatting, image conversion, and more, all designed to streamline the workflow of developers.

Recommended for

  • Software developers
  • Web developers
  • Data analysts
  • IT professionals
  • Anyone who frequently manipulates data or code

No analysis of dataprep.dev yet.

Videos

Walkthroughs and reviews on video.

DevToys 3 videos + Add
dataprep.dev 1 video + Add

DevToys - Review and How to Install | The Swiss Army Knife for Developers

More videos

  • - Quick shout-out to DevToys
  • - DevToys: All in One Developer Tools for Windows

Instant SQL on CSV in Browser (DuckDB-Wasm) - Zero Uploads

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
DevToys
dataprep.dev
100% 100%
0% 0%
0% 0%
100% 100%
97% 97%
3% 3%
100% 100%
0% 0%

Questions & Answers

As answered by people managing DevToys and dataprep.dev.

What's the story behind your product?

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.

Who are some of the biggest customers of your product?

dataprep.dev's answer:

1, Indie hackers and solo founders. 2, Boutique digital marketing agencies. 3, Privacy-conscious data freelancers.

What makes your product unique?

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.

Why should a person choose your product over its competitors?

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.

How would you describe the primary audience of your product?

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.

Which are the primary technologies used for building your product?

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.

User comments

Share your experience with using DevToys and dataprep.dev. For example, how are they different and which one is better?

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

DevToys 16 mentions
dataprep.dev 0 mentions

View more

Tracking dataprep.dev since Jul 2026.

Alternatives to DevToys and dataprep.dev

When comparing DevToys and dataprep.dev, you can also consider the following products.