Developer creates client-side data formatter to prevent accidental credential exposure

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A developer built PasteKit, a web-based formatting tool that processes data entirely within the user's browser. This addresses security concerns highlighted in November 2025 when over 80,000 pasted items, including credentials and private keys, were found exposed from other formatter sites. The tool ensures no data is sent to a server by using client-side Web Workers and strict Content Security Policies. It supports 58 formats and 48 converters, works offline, and is free to use without registration.

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