Optimize all your devices

Download free apps that clean and speed you up. For Windows, Mac & Android.

  • Get extra speed & faster starts
  • Free up storage space & memory
  • Clean your system & browsers
"One of the best tune-up tools on the market”
Scroll for more

Faster starts and quicker processing

Avira streamlines the way programs and apps open and run on your device, so you enjoy faster startups and smoother surfing. 

  • Blocks apps that hog your resources
  • Frees up memory
  • Reduces freezing and crashes


Free up storage space

No need to keep buying new hard drives or SD cards. Over time, your storage fills up with junk, temporary, and cached files. Use Avira to take control and clear them out!

Stay mobile for longer

Keep working and enjoying life wherever you are. Squeeze every drop of juice from your battery with a range of smart, energy efficient features. Laptops, tablets, and mobiles – Avira improves batteryperformance for them all.

Private by design: We don't sell your data.

Unlike most security vendors, Avira doesn't sell your data and never will. Nor do we share your data with 3rd parties such as government, Big Tech or advertising networks.

Made in Germany.
Downloaded by millions.

4.5/5 - Excellent

19,000+ reviews

And recommended by the industry

rated 4,5/5 on GOOGLE PLAY

46,000 + ratings

Rated 4,78 / 5 on NetZsieger

Learn more about the following

What exactly does a RAM Cleaner do other than clean RAM?

It can speed you up, that’s what! More RAM means that processes run faster. Don’t buy more—clear out what you have…

Find out how our RAM Cleaner speeds up your device

Need to drive performance with our Speed Booster?

PC crawling like a snail? Devices are like car engines. Give them the cleanup and tune-up they need…

Find out how your PC can run like new with our Speed Booster

Want to last longer with our Battery Saver?

Battery icon flashing again? Find out what’s draining it and extend the performance of your mobile devices…

See how to optimize battery life with our Battery Saver

Is it time to clear out the clutter with our Junk Cleaner?

Screen frozen? For more speed, disk space, and performance, take out the trash (like junk files, temp files…)

Free up space and speed up your device now with our Junk Cleaner

8 reasons to optimize your devices

Faster starts

More space

Better gaming

More battery

Save money

More privacy

More stability


Laptop, smartphone, or tablet?

Enhance the performance of all your devices

Looking for premium optimization tools?

Discover System Speedup ProFor Windows

Optimize all your devices for free