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Developer launches browser-based tool for offline JSON and JWT debugging

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A developer has created Payload Haven, a collection of free utilities that process data entirely within a user's browser. The tools include JSON comparison, JWT decoding, and Base64 conversion without requiring file uploads or user accounts. JSON comparison identifies changed paths while ignoring key order, and JWT decoding displays token components without verifying signatures. The platform emphasizes privacy by processing data locally, though it notes limitations with JavaScript's handling of very large numbers. The developer solicited feedback on utility workflows while disclosing AI assistance was used in the site's creation.

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