Screen mirroring tools
A small set of tools to help you get any screen onto any other screen. Check what will work, fix what will not, test your Wi-Fi, and see what your browser supports. They cover AirPlay, Chromecast, Miracast and the Screen Mirroring app alike.
Compatibility checker
Pick your phone or computer and your TV to get the exact way to mirror - AirPlay, Chromecast, Miracast, or the receiver that works on any brand.
Check a combinationTroubleshooter
Screen mirroring not working? Get a tailored checklist of fixes for AirPlay, Chromecast, Miracast and Smart View on Samsung, LG, Roku and more.
Fix my mirroringWi-Fi speed test
Is your Wi-Fi fast enough? Test speed, latency and jitter and see the resolution your network can mirror smoothly, from 540p to 4K.
Test my Wi-FiBrowser check
Can this browser or smart TV send or receive a mirror? Tests screen capture, WebRTC and the H.264, VP8, VP9 and AV1 video codecs on the spot.
Check this browser NewTV Test
Our new companion site. Free tests that run in your TV's own browser and check resolution, HDR, codecs, dead pixels, motion and audio sync, so you learn what your TV can really do.
Open tv-test.comTV screen test
Dead pixel, overscan, colour bar and sharpness patterns you mirror to the TV to check the picture. Fullscreen, nothing to install.
Run a test patternScreen resolution
Your resolution, aspect ratio, pixel ratio and refresh rate, plus how your screen looks mirrored to a 16:9 TV.
Show my resolutionAirPlay vs Chromecast vs Miracast
What each standard is, which devices use them, and which to pick - with a side by side comparison.
Compare the methodsData usage calculator
How much data and bandwidth mirroring uses, with bitrate, frame rate and codec controls.
Calculate data use