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Developer builds 47 PDF tools using browser APIs, eliminating backend costs

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A developer created a suite of 47 PDF processing tools that operates entirely within the browser. The tools rely on multiple browser APIs, including the File System Access API, IndexedDB, and Canvas API, for tasks like file handling and text extraction. This approach allows the tools to function offline as a Progressive Web App and eliminates monthly server costs. The developer uses a lightweight Cloudflare Worker only to proxy requests to an AI model, sending only extracted text. The project is hosted publicly and accessible online.

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