33+ Free Developer Tools That Run Entirely in Your Browser
We've all been there: you need to quickly format some JSON, convert a CSV, or edit a Markdown file, and you reach for one of those "free online tools" websites. But have you ever stopped to think about where your data goes when you paste it into those textareas?
Most online formatters and converters send your data to their servers. That JSON you just pasted? It might be sitting on some server you know nothing about. Your CSV with customer data? Same thing.
The Problem with Most Online Tools
Data privacy: Your code, config files, and data get uploaded to unknown servers






