Developer builds browser-only tool suite to stop accidental data leaks via online formatters

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A developer has launched OmniTools Pro, a suite of 16 developer utilities designed to process data entirely within the browser, with no backend server involvement. The tool was created in response to a common but overlooked risk: popular online formatters and debuggers often carry ad trackers and may silently transmit pasted data to external servers. This poses a serious privacy threat when developers paste sensitive content such as API keys, customer PII, or authorization headers into these tools. OmniTools Pro uses native browser APIs like crypto.subtle and JSON.parse to handle all processing locally, meaning no outgoing POST requests are made. The project is also built as an offline-first Progressive Web App, and is available for public testing at omnitools-pro.surge.sh.

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