Free Tech Tools & Calculators
Simple, free tech tools for UK users. Check mobile networks and roaming, estimate your mobile data usage and phone storage needs, understand tech jargon and find help with broadband and Wi-Fi problems.
Choose a free tech tool
Calculators, checkers and practical technology guides designed to be quick and easy to use.
Mobile Network Checker
See which major UK mobile network powers your mobile provider.
Data Usage Calculator
Estimate how much mobile data you could need each month.
Phone Storage Calculator
Work out how much phone storage could be right for you.
UK Roaming Checker
Get useful mobile roaming guidance before travelling abroad.
Tech Jargon Dictionary
Understand common technology words and phrases in plain English.
Broadband Help Hub
Simple help for broadband, Wi-Fi and internet connection problems.
We couldn't find a matching tool.
Free technology tools made simple
The Tech Blog UK's free tech tools are designed to make common technology questions easier to understand. Instead of searching through complicated guides, you can use our calculators, checkers and help pages to quickly find the information you need.
If you're choosing a mobile plan, our mobile data calculator can help estimate how much data you might use, while our phone storage calculator can help you decide how much storage to consider when buying your next phone.
UK mobile network and roaming tools
Trying to understand which mobile network your provider uses? Our UK mobile network checker helps explain the relationship between the major UK mobile networks and providers that use their infrastructure.
Travelling abroad? The UK mobile roaming checker provides useful reference information before your trip. Roaming policies, destinations and charges can change, so you should always confirm the latest information directly with your mobile service provider before travelling.
Broadband help and tech terms explained
Technology doesn't always need to be complicated. Visit our Broadband Help Hub for straightforward broadband and Wi-Fi guidance, or browse the Tech Jargon Dictionary for simple explanations of commonly used technology terms.
We'll continue adding new free technology tools and helpful guides to The Tech Blog UK, so this page is a handy place to come back to whenever you need a little help with everyday tech.
Tech tools FAQs
Are The Tech Blog UK tools free to use?
Yes. The tools and guides available through this hub are free to use.
How accurate are the calculators?
Our calculators are designed to provide useful estimates and guidance. Your actual data usage, storage requirements or other results may differ depending on how you use your devices and services.
Is the UK roaming information guaranteed?
No. Roaming policies and charges can change. Our roaming information should be used as a helpful reference only, and you should always check directly with your mobile service provider before travelling.
Will more technology tools be added?
Yes. We're continuing to build useful calculators, checkers and guides covering mobile phones, broadband and everyday technology.