I built a toolbox where your data never leaves the browser — 200+ tools, no servers (opens in new tab)

Like every developer, I have a graveyard of bookmarked "online tools." One site to format JSON, another to generate a password, a third to count words, a fourth to convert a timestamp. Each one slow, ad-heavy, and — the part that always bugged me — quietly posting whatever I paste to some server I know nothing about. That last bit is the thing most people never think about. You paste an API response into a "free JSON formatter," and you have no idea whether that payload (tokens and all) just ...