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Dev.to
Dev.to
7/7/2026
All the tools you need, right in your browser.

All the tools you need, right in your browser.

Short summary

A developer built FluxTools, a free browser-based alternative to iLovePDF that processes PDFs entirely locally using pdf-lib and React, eliminating the need to upload sensitive documents to cloud servers. The article includes JavaScript code examples for merging PDFs in-browser without backend processing. Practical for developers building privacy-first document tools.

  • •Browser-based PDF tool alternative that processes files locally without backend servers
  • •Uses pdf-lib and React to move processing pipeline to client-side
  • •Includes working code example for merging PDFs in-browser

Generated with AI, which can make mistakes.

#open-source
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