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CSVtoICS.app VS dataprep.dev

Compare CSVtoICS.app VS dataprep.dev and see what are their differences

CSVtoICS.app

Turn a spreadsheet into a calendar file — free, in your browser, nothing uploaded

Rating
0 reviews
Pricing
Free
Alternatives Is it good?
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
Alternatives Is it good?
Bluebox.ai
Bluebox gives coding agents the production context they are missing. It briefs your agent with live runtime behavior before a change, investigates incidents, explains likely root cause, and returns a GitHub issue you review. Free to start. sponsored

Which is more popular?

Based on our record, CSVtoICS.app seems to be more popular. It has been mentioned 1 time since March 2021.

social mentions
1 vs 0
Calendar popularity
100% vs 0%
alternatives listed
13 vs 11

Base details

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

CSVtoICS.app
dataprep.dev
Website csvtoics.app dataprep.dev
Pricing
Free
Free
Platforms —
Windows Linux Mac Online +1
Company — Startup from the United States · 1 - 9 employees · 2026
Listed in
File Converter Calendar Productivity Web App +1
Spreadsheets Data Analysis Developer Tools Analytics Productivity Office Suites Databases No Code +5

About CSVtoICS.app and dataprep.dev

In their own words, as submitted to SaaSHub.

CSVtoICS.app
dataprep.dev

CSV to ICS Converter turns a spreadsheet of events into an iCalendar (.ics) file that imports cleanly into Google Calendar, Outlook or Apple Calendar. Everything runs in the browser: the CSV is parsed on your device and never uploaded. Column mapping is auto-detected but fully editable, you see a...

Read more about CSVtoICS.app

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.

CSVtoICS.app 5 features
dataprep.dev 4 features
  • Simple Conversion Process
    CSVtoICS.app provides a straightforward way to convert CSV spreadsheet data into ICS calendar files, which can then be imported into calendar applications like Google Calendar, Outlook, or Apple Calendar.
  • No Installation Required
    As a web-based tool, users can access it directly through a browser without needing to download or install any software, making it convenient for quick, one-time conversions.
  • Bulk Event Creation
    The tool allows users to convert multiple calendar events at once from a single CSV file, saving significant time compared to manually creating each event individually in a calendar app.
  • Accessibility Across Platforms
    Since it works through a web browser, it can be used on various devices and operating systems, including Windows, Mac, Linux, and mobile devices, without platform-specific restrictions.
  • Time-Saving for Event Management
    For users who need to import schedules, appointments, or event lists from spreadsheets into their calendars, this tool eliminates tedious manual data entry.
  • 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.

Videos

Walkthroughs and reviews on video.

CSVtoICS.app 0 videos + Add
dataprep.dev 1 video + Add

No CSVtoICS.app videos yet. You could help us improve this page by suggesting one.

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
CSVtoICS.app
dataprep.dev
100% 100%
Calendar
0% 0%
0% 0%
Spreadsheets
100% 100%
100% 100%
File Converter
0% 0%
0% 0%
Databases
100% 100%

Questions & Answers

As answered by people managing CSVtoICS.app 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 CSVtoICS.app 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.

CSVtoICS.app 1 mention
dataprep.dev 0 mentions
  • Bulk-adding events to a calendar app: the .ics format from scratch
    I eventually packaged all of this — column mapping, timezone selection, Folding, escaping, the all-day off-by-one — into Csvtoics.app, a free browser-based converter (File API end to end, nothing uploads). As of this week it also... - Source: dev.to / 2 months ago

Tracking dataprep.dev since Jul 2026.

Alternatives to CSVtoICS.app and dataprep.dev

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

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