Pavan Podila

Senior Director, Publicis Sapient

QuickLens: A Toolset for UI Exploration

18 mins
Design Systems, Research, Methods, and Processes


About The Speaker

Pavan Podila is a Frontend mentor, speaker and has been building applications since 2001. He is a Google Developers Expert for Web, Dart, and Flutter.

For the past 10+ years, he has focused on large scale Digital Transformation projects in the Finance and Retail domains. Pavan is a published author of MobX Quick Start Guide, was Microsoft MVP for Client App
Dev (2008 – 2011) and is the creator of QuickLens, a Mac App for UI Designers/Developers. He has written several articles and created video courses at Tuts+. He is also a core contributor to the MobX project, which started the mobx.dart project and generally active on Github.

When time permits, he blogs at, plays Ping Pong, and sketches on his iPad Pro.

QuickLens: A Toolset for UI Exploration

This talk presents a macOS App that I’ve been developing for many years now. It is a set of tools for exploring the UI and doing things like:

– Sampling colors and maintaining palettes
– Measuring distances and angles
– Doing real-time measurements of distances and bounding boxes
– Setting up screen-wide guides
– Taking screenshots and capturing videos
… and much more.

The talk will focus on the design principles I adopted for an app like this and combining that with live demos. I am the sole developer and designer of this app along with the website, icons, and other artwork.

Key Takeaways


Knowing the features of the QuickLens toolset.


Applying it for everyday Design tasks.


Learning the principles of building visual power tools.

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