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Dev.to
7/20/2026
The original title is "PDFLabs: A browser-based PDF toolkit with no server uploads"

The original title is "PDFLabs: A browser-based PDF toolkit with no server uploads"

Original: I built a 100% private PDF toolkit that runs entirely in the browser (No server uploads)

Short summary

A solo developer launched PDFLabs, a free browser-based PDF toolkit with 13 tools that runs entirely client-side using pdf-lib and pdf.js, meaning files never leave the user's device. The tool offers merge, split, reorganize, delete, and rotate functionality. The author is seeking feedback on UI/UX, mobile responsiveness, and performance with large files.

  • •PDFLabs runs entirely in-browser — no server uploads
  • •13 PDF tools using pdf-lib and pdf.js
  • •Author seeking feedback on UX and large-file performance

Generated with AI, which can make mistakes.

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