Discover Your Next Efficiency Tool
All tools run entirely in your browser—no data is sent to servers. No registration, no limits. Your privacy is protected by design.
All Tools
Password Generator
Create strong, random passwords and API keys with customizable length and character sets. Perfect for securing accounts and applications.
YouTube Thumbnail Downloader
Download high‑quality thumbnails from any YouTube video in multiple resolutions. Simple, fast, and completely free.
Image Background Remover
AI‑powered background removal that runs locally in your browser—no uploads, no privacy risks. Perfect for product photos and social media.
Unit Converter
Convert length, weight, temperature, volume, area, speed, and time with real‑time calculations. Supports hundreds of units across categories.
PDF to Word Converter
Convert PDF documents to editable Word format while preserving formatting and layout. Works entirely in your browser—your files never leave your device.
Privacy First
Every tool in Simple Toolbox is designed with privacy as the core principle. All processing happens locally in your browser—no data is ever sent to our servers. This means:
- No data collection: We don't track your usage or collect personal information
- No file uploads: Your files stay on your device, processed locally
- No registration required: Use tools immediately without creating accounts
- Open source transparency: All code is available for inspection and verification