The fast, free toolkit forsite professionals
Browser-based calculators and analysis tools that run locally on your device. Built for geotechnical engineers and drilling professionals.
Privacy First
All processing happens in your browser. Your project data never leaves your device.
Lightning Fast
Quick calculations that run right in your browser. No servers, no waiting around.
Free to Use
Start using the tools right away. Create an account to save favourites and sync your work.
Categories
Find what you need.
Browse our growing collection of tools organised by discipline.
Popular Tools
Getting results faster.
From SPT corrections to soil classification, these are the tools site professionals reach for every day.
About Diggy
The toolkit you've been waiting for.
Site professionals spend hours every week on manual calculations and data validation. We're building something to fix that.
What is Diggy?
The free, browser-based toolkit for geotechnical engineers and drilling professionals. AGS data tools, SPT calculators, soil classification and more — simple, fast and built for real workflows.
Who this is for
Site engineers validating AGS data. Drilling supervisors calculating SPT corrections. Lab technicians classifying soils. If you work on site, this is for you.
Get Started
Ready to work smarter?
Jump straight into the tools or create a free account to save your favourites and pick up where you left off.