howToCSV
Even if you hate CSV, you'll love this
howToCSV launched on January 29, 2026 with 6 votes, #2,272 of 14,584 launches that month and more than 75% of that year's launches.
What it does
HowToCSV - Data Analysis Tools for CSV and Excel: suite of tools designed to help you clean, transform, visualize, and analyze your data with ease. Just upload your CSV or Excel files! All in browser and made to speed up boring spreadsheet things
Free professional CSV toolkit with 50+ tools for data cleaning, analysis, visualization & transformation. Process CSV files instantly in your browser. Privacy-first, no installation, no coding. Used by data professionals worldwide.
The ultimate and powerful CSV engine. Process thousands of rows in your browser. Your data never leaves your device. HowToCSV is a free, browser-based CSV toolkit with 60+ tools for cleaning, converting, analyzing, and visualizing CSV and Excel data. Unlike server-side converters, every tool runs locally via WebAssembly directly in your browser tab: no file is ever uploaded to a server, so nothing leaves your device. It covers common tasks like fixing encoding errors, deduplicating rows, pivoting tables, converting between CSV/JSON/Excel/Parquet, and detecting outliers, without installing software or writing code. Analysts, marketers, and developers use it for one-off spreadsheet fixes and…from howtocsv.com
Does a similar job
all alternatives →
CSVTool.ioJul 2026 · csvtool.io · ▲4Edit CSV cells, convert files to Excel, JSON, or SQL, and merge CSVs into one table. 63 free tools that run in your browser — no signup.
More work this month
the category →
Endless lofi beats composed live in your browser, over pixel-art nights in Paris, Tokyo, New York, Hong Kong, Sydney, San Francisco and more. Free, no sign-up.
Work · 25d ago · loficities.com
Smooth Recorder▲257Mac screen recordings that look edited when you hit stop
Work · 19d ago · smoothrecorder.com
Work · 13d ago · readrare.com
Source: Product Hunt launch ↗
Launched alongside, January 2026
the whole month →- IN
Hey HN! I wanted to share something I built over the last few weeks: isometric.nyc is a massive isometric pixel art map of NYC, built with nano banana and coding agents. I didn't write a single line of code. Of course no-code doesn't mean no-engineering. This project took a lot more manual labor than I'd hoped! I wrote a deep dive on the workflow and some thoughts about the future of AI coding and creativity: http://cannoneyed.com/projects/isometric-nyc
AI · Jan 2026 · cannoneyed.com
Automatic AI-powered code reviews the moment you open a PR
Dev tools · Jan 2026 · kilo.ai
