About ToolHub Tools
ToolHub is a free online tool platform built for developers, office users, and everyday users who need practical, efficient, and safe utilities. It currently includes 20 tools across 6 categories.
Private and safe
All tools run locally in your browser. Your data is not uploaded to the server.
Use instantly
No sign-up, no login, and no installation. Open the page and start working.
Free to use
All tools are free with no functional restrictions.
Continuously updated
The toolkit is improved over time, and suggestions are welcome.
Tool categories
Developer toolsJSON, encoding, hashing, regex, and common developer utilities
Text toolsWord count, deduplication, case conversion, and text processing
CalculatorsMortgage, income tax, unit conversion, and everyday calculators
Creator toolsQR code, barcode, and lightweight creation utilities
Image toolsImage compression and browser-based image utilities
Color toolsRGB, HEX, HSV color conversion and palettes
Contact us
If you have tool requests, suggestions, or feedback, feel free to contact us. We review suggestions carefully and keep improving the toolkit.
admin@yezhiqiu.cn