The phrase "a straightforward tool that" is correct and usable in written English.
You can use it when describing a tool or resource that is simple and easy to use.
Example: "This software is a straightforward tool that helps users manage their tasks efficiently."
Alternatives: "an easy-to-use tool that" or "a simple tool that".
In this article, the authors present a straightforward tool that can be used to calculate both customer lifetime value (CLV), the worth of your customers' purchases, and customer referral value (CRV), the value of their referrals.
Co-founder Shawn Gupta likens the model to 37Signals' products, explaining that it's a straightforward tool that anyone in a company can start using without any involvement from management or IT.
As the authors point out themselves, this is a relatively crude, straightforward tool that only enumerates potential off-target recognition sites but does not provide information on the actual efficacy of their recognition.
We believe PubChemSR is an extremely useful and straightforward tool that bridges a gap between the needs of bench scientists and the rich information resource of PubChem.
This growth creates a need for intuitive and straightforward tools that enable researchers to quickly analyze and visualize the data of interest.
The results show that the present method provides a straightforward tool able to fill the gap between "design for structures" and "design for patterns".
To summarize, metal-dielectric coatings are a versatile biophotonics tool that enable straightforward control of the axial fluorescence enhancement distribution by adjusting the distance of the fluorescent sample to the nanocoating or vice versa.
If you're stuck (finding baggage policies on an airline's site isn't always straightforward), there's a free website tool that helps you check the luggage limits by airline, departure airport, and arrival airport.
It's giving users a straightforward, visual way to plan out their trips using a tool that's long since proved its utility: a bulletin board.
Leto says that she had long been a fan of "Findings," Betaworks' tool that offers "a straightforward, intuitive way to share and discuss quotes from books and the web".
