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Cat Ellis

Cat is the fitness and wellbeing editor at TechRadar. She's a trained run leader, and enjoys nothing more than lacing up and hitting the pavement. If you have a story about fitness trackers, treadmills, running shoes, e-bikes, or any other fitness tech, drop her a line!

Articles by: Cat Ellis

Man running virtual race

Virtual running events and races – your complete guide

By Cat Ellis

In depth Need something to train for, or just want to earn a shiny medal? Here's everything you need to know.

Asics Earth Day

Asics turns 5 tons of waste clothing into new shoes

By Cat Ellis

The Earth Day Pack was made using the equivalent of 25,000 T-shirts, and colored with a low-water dying process.

Asics Novablast Tokyo

Asics Novablast Tokyo review

By Cat Ellis

A great shoe for fun summer runs, combining masses of super-soft lightweight foam with an extra breathable upper.

Best open source software

Best open source software 2021: free software for home or business

By Cat Ellis, Jacob Parker

TechRadar Pro

Updated The best open source software for any task, from photo and audio editing to managing your passwords, for everyone from home to business users.

Polar Ignite 2

Polar Ignite 2 review

By Cat Ellis

Recommended

A superb mid-range sports watch, the Polar Ignite 2 provides impressive accuracy and adaptive training tools.

Xiaomi Mi Smart Band 6

Xiaomi Mi Smart Band 6 review

By Cat Ellis

The Xiaomi Mi Smart Band 6 packs impressive health and wellbeing features, but falls down when it comes to workouts.

Fossil LE Solar World Timer

Fossil's new solar watch lasts up to three months on a single charge

By Cat Ellis

The limited edition Fossil LE Solar World Timer keeps running for weeks after soaking up the rays for just eight hours.

Mobvoi TicWatch GTH

New TicWatch GTH is a super-cheap smartwatch with one big drawback

By Cat Ellis

Mobvoi has launched a successor to the TicWatch GTX with a new look and skin temperature sensor, but it still lacks GPS.

Garmin Index S2

Garmin Index S2 review

By Cat Ellis

A premium smart scale, the Garmin Index S2 is stylish, fast and accurate, but would benefit from extra context in the app.

The best golf watch

The best golf watch 2021: the most accurate maps and advanced tools

By Cat Ellis

Updated From shot distances to tracking strokes, the best golf watch gives you no excuses for anything less than a perfect round.

Best free video converters

The best free video converter 2021: save videos in any format quickly and easily

By Cat Ellis

Updated Free video converters that can handle any format, whether it's MP4, WMV, AVI or anything else.

Woman using free YouTube downloader on laptop

The best free YouTube downloader 2021: save videos the easy way

By Cat Ellis

Updated Free YouTube downloaders for saving videos in the format of your choice, ready to watch and enjoy offline.

The best free PDF to Word converter

The best free PDF to Word converter 2021: convert PDFs for easier editing

By Cat Ellis

Updated Convert PDFs to Word documents and edit them to your heart's content without expensive software.

The best free YouTube converters

The best free YouTube converter 2021: watch videos on any device

By Cat Ellis

Updated The best free YouTube converters for saving videos in the format and quality of your choice.

Fitbit Sense

Fitbit is testing blood pressure monitoring – and it wants your help

By Balakumar K , Cat Ellis

If you're at least 20 years old and live in the US, you could be invited to take part in a new blood pressure study.

Best Acer laptops 2021

Best Acer laptops 2021

By Cat Ellis, Michelle Rae Uy

Buying Guide Here are our top picks for the best Acer laptops this 2021. Whether you're looking for a super light Chromebook or a powerful gaming machine, Acer has a laptop for you.

The best running watch

The best running watch 2021: track your runs with super accurate GPS

By Cat Ellis

Updated The best running watch for all runners, whether you're preparing for an off-road ultramarathon or your first 10k.

The best sleep tracker

The best sleep tracker 2021: monitor and improve your sleep

By Cat Ellis

Updated We've tested and ranked the best sleep trackers you can buy right now to help improve your sleep hygiene.

The best Fitbit 2021

The best Fitbit 2021: take control of your health with the best Fitbit watch

By Cat Ellis

Updated Looking for a Fitbit? We've got the definitive list of the best you can buy now.

The best electric scooter

The best electric scooters 2021: e-scooters for every budget

By Cat Ellis, Adam Vjestica

Updated Get around town quickly and have fun with the best electric scooters for every rider.

Diamondback Union 1

Diamondback launches seriously fast new e-bikes for road and gravel

By Cat Ellis

The lineup of four new electric bikes feature Bosch motors capable of hitting speeds up to 28mph.

The best free YouTube to MP3 converters

The best free YouTube to MP3 converters 2021

By Cat Ellis

Updated Rip the audio from YouTube videos for offline listening with the best free YouTube to MP3 converters.

Instagram dark mode

How to use Instagram dark mode

By Cat Ellis

Updated Instagram dark mode reduces glare, saves power and looks great – and it's simple to use.

Facebook dark mode

How to use Facebook dark mode

By Cat Ellis

Updated Facebook dark mode is finally here for all your devices. Here's what you should know, and how to enable it.

Best free screen recorders

The best free screen recorder 2021

By Cat Ellis

Updated Free screen recorders to record or stream everything happening on your display.