Free online utilities for every need
20+ fast, no-signup web tools. Everything runs in your browser — your data never leaves your device.
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Guides and tutorials
See all →How to create secure passwords in 2026
Length, characters, password managers and 2FA: the complete guide.
4 minQR Codes: complete guide and security
Use cases, mistakes to avoid and risks like quishing.
5 minBMI: meaning, limits and interpretation
When BMI is reliable and when it's not, with practical examples.
4 minJSON: syntax, errors and best practices
The complete guide for developers working with APIs.
5 minFree and fast online tools
ToolHub is a collection of web utilities designed to be simple, instant and 100% free. No signup, no install: pick a tool, use it, close it. All operations run locally in your browser, so your data stays private.
Why use ToolHub
- Free forever: no subscription, no intrusive ads.
- Full privacy: no data sent to servers. Everything stays local.
- No install: works on any device with a browser.
- Bilingual: available in Italian and English.
- Fast: lightweight pages, optimized for SEO and mobile.
How to pick the right tool
Use the search bar at the top to quickly find a tool by name or keyword. Tools are organized in two categories: General (daily use: password, QR, BMI, percentages) and Developer (JSON, base conversion, regex). We add new tools every week.