Hi HN,
I often needed quick ways to convert small datasets while prototyping APIs or exploring data.
Most online tools require uploading files, login and signup, which feels slow and sometimes risky for sensitive data.
So I built a small browser-based toolset that runs entirely on the client side.
Current tools: - CSV → JSON converter - JSON → CSV converter - CSV → Line Chart generator
You can paste data directly and get instant results.
Everything runs in the browser (no file uploads on server).
I'm planning to add more utilities like: - CSV → multi-line charts - JSON → charts - more small data tools
Would love feedback on what data utilities people wish existed but can't easily find.
Thinking of adding more tools like JSON formatter, CSV to bar chart, csv to scatterplot and CSV to pie chart. Curious which ones people here would find most useful.
https://news.ycombinator.com/item?id=47261415
Looks like a comment ring
Great tool for researchers and students. I recommend to add logarithmic line chart option also.
Just tried converting a CSV with ~1k rows and it worked instantly. Nice that everything runs in the browser and require no login. Add excel to chart, excel to csv, excel to json. And try to add more chart options. It will be great if you add this features.