What is my screen resolution?
Your screen resolution, aspect ratio, pixel ratio, colour depth and refresh rate, read live from this device. Below you can see how your screen would look mirrored to a standard 16:9 TV.
-- x --device pixels
- Aspect ratio
- --
- Pixel ratio
- --
- Colour depth
- --
- Refresh rate
- measuring...
- Browser window
- --
- Orientation
- --
On a 16:9 TV
How your screen looks mirrored to a TV
Most TVs are 16:9. When your screen has a different shape, mirroring keeps the whole picture and adds black bars so nothing is cut off.
Mirror straight from your browser
Try MHL Mirroring on your own screens
Open the receiver on the TV, the sender on your computer, and connect with a 6-digit code. Free, peer-to-peer, nothing to install.
More tools
Compatibility checkerPick 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 combinationTroubleshooterScreen mirroring not working? Get a tailored checklist of fixes for AirPlay, Chromecast, Miracast and Smart View on Samsung, LG, Roku and more.Fix my mirroringSpeed testIs your connection fast enough? Test speed, latency and jitter and see the resolution it can mirror smoothly, from 540p to 4K.Test my connectionBrowser checkCan this browser or smart TV send or receive a mirror? Tests screen capture, WebRTC and the H.264, VP8, VP9 and AV1 codecs on the spot.Check this browserTV screen testDead pixel, overscan, colour bar and sharpness patterns you mirror to the TV to check the picture. Fullscreen, nothing to install.Run a test patternAirPlay vs Chromecast vs MiracastWhat each standard is, which devices use them and which to pick, with a side by side comparison.Compare the methodsData usage calculatorHow much data and bandwidth mirroring uses, with resolution, frame rate and codec controls.Calculate data use