Broad tool library
Calculators, office, image, PDF, QR, and developer utilities in one place.
A new mobile experience
工具匠
A thousand useful tools. One app.
Calculators, converters, image, PDF, QR, and developer tools in one app—ready whenever you need them.
1000+useful tools
24 / 7ready to use
One app, many capabilities
Powerful tools made simple
A shorter, clearer path from finding a tool to finishing the job.
Find it fast
Search, categories, and recent tools keep frequent actions close.
Ready instantly
A lightweight path helps you finish quick jobs without friction.
Improved continuously
Steady updates keep every utility reliable and useful.
Real app screenshots
A familiar interface built for speed
Every screen below comes from the real ToolKK app, not a concept placeholder.
Useful every day
For work, study, life, and code
Keep frequent tasks in one place and stop hunting for single-purpose apps.
Productive work
Handle PDF, text, and image tasks with fewer steps.
Study and research
Keep calculations, conversions, and references within reach.
Everyday life
Solve date, health, and practical questions as they appear.
Development
Use JSON, encoding, and network tools without context switching.
Put a better toolbox in your pocket
Download ToolKK free and make the next calculation, conversion, or file task a quick one.
Download channels and QR codes are supplied live by the ToolKK admin system.