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Dev.to
7/21/2026
The original title is "I Built 100+ Browser-Based Tools That Never Upload Your Files"

The original title is "I Built 100+ Browser-Based Tools That Never Upload Your Files"

Original: I Built 100+ Browser-Based Tools That Never Upload Your Files

Short summary

A developer built WhizTools, a collection of 100+ browser-based utilities for PDF manipulation, image processing, text formatting, and more—all running client-side without uploading files to a server. The project leverages modern browser APIs for local processing, offering privacy, speed, and offline capability. User feedback centered primarily on privacy as the standout feature rather than the tool count.

  • •WhizTools offers 100+ browser-based utilities that process files locally without server uploads
  • •Tools cover PDF, image, text, developer, security, and productivity categories
  • •User feedback highlighted privacy as the most compelling product feature

Generated with AI, which can make mistakes.

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