Privacy Comparison Guide

Why Browser-Only Tools Are Safer

Understanding the privacy risks of different online tool approaches

Not all online tools are created equal. Here's what you need to know about protecting your data.

Tool Comparison: Privacy & Security

Feature
UsefulThings
(Browser-Only)
Cloud-Based ToolsFree Tools with Ads
File Upload RequiredNeverAlwaysAlways
Data StorageNoneTemporaryUnknown Duration
Registration RequiredNoUsuallyOften
Works OfflineYesNoNo
Data TrackingBasic OnlyBasic AnalyticsExtensive
Enterprise Safe100%DependsRisky

Privacy Approach Breakdown

Browser-Only Tools

Zero Data Transmission

Files never leave your device, making data breaches impossible.

Corporate Policy Compliant

Meets strict IT security requirements without special approval.

Works Offline

Process files without internet connection once page is loaded.

No Registration

Use immediately without creating accounts or providing personal info.

Cloud-Based Tools

File Upload Required

Must upload files to unknown servers for processing.

Temporary Storage

Files stored on servers for processing, deleted after unknown timeframe.

Usually Legitimate

Most are legitimate businesses with proper security practices.

Registration Often Required

Email verification and account creation typically needed.

Ad-Supported Tools

Data Monetization

May use your data for advertising insights and user profiling.

Extensive Tracking

Multiple analytics, ad networks, and tracking pixels installed.

Unknown Data Retention

Unclear how long files and usage data are stored.

Enterprise Unsafe

High risk for corporate policy violations and data leaks.

When Privacy Matters Most

Enterprise & Business Use

  • Confidential Documents: Contracts, financial reports, client data, internal presentations
  • IT Policy Compliance: Many companies prohibit uploading files to unapproved services
  • API Keys & Code: JSON configurations, database exports, source code formatting
  • Financial Data: Budget calculations, investment planning, mortgage analysis

Personal & Sensitive Use

  • Personal Photos: Family photos, personal documents, private images
  • Health Information: Medical documents, BMI calculations, calorie tracking
  • Legal Documents: Contracts, wills, property documents, tax information
  • Password Generation: Creating secure passwords for critical accounts

How to Verify Our Privacy Claims

Browser Developer Tools

  1. 1Open any UsefulThings tool in Chrome or Firefox
  2. 2Press F12 to open Developer Tools
  3. 3Go to the "Network" tab
  4. 4Use any tool - you'll see zero file uploads

Privacy Extensions

  • uBlock Origin: Will show minimal network requests
  • Privacy Badger: Won't detect file uploads or excessive tracking
  • Ghostery: Will show only basic analytics, no data collection
  • Offline Mode: Tools continue working without internet

Experience True Privacy

Try our browser-only tools and see the difference. No uploads, no tracking, no compromise on your privacy.