diff --git a/dotfiles/bin/.bin/matrix-screenshot.ps1 b/dotfiles/bin/.bin/matrix-screenshot.ps1
index 14aa38d..66c08ab 100755
--- a/dotfiles/bin/.bin/matrix-screenshot.ps1
+++ b/dotfiles/bin/.bin/matrix-screenshot.ps1
@@ -30,32 +30,42 @@ Set-StrictMode -Version 3.0
 
 
 $tmp = New-TemporaryFile
+$tmpPath = $tmp.FullName
+$webpPath = $tmpPath -replace 'tmp$','webp'
 
 if ($Fullscreen) {
-    grim $tmp.FullName
+    grim $tmpPath
 } else {
-    grim -g $(slurp) $tmp.FullName
+    grim -g $(slurp) $tmpPath
+}
+if ((Get-Item $tmpPath).Length -eq 0) {
+    Write-Error ('Temp file "{0}" is empty' -f $tmpPath) -ErrorAction Continue
+    Remove-Item $tmpPath
+    exit
 }
 
-if (($tmp | Get-Item).Length -eq 0) {
-    Write-Error ('Screenshot file "{0}" is empty' -f $tmp.FullName) -ErrorAction Continue
-    $tmp | Remove-Item
+magick $tmpPath $webpPath
+if ((Get-Item $webpPath).Length -eq 0) {
+    Write-Error ('WebP file "{0}" is empty' -f $webpPath) -ErrorAction Continue
+    Remove-Item $webpPath
     exit
+} else {
+    Remove-Item $tmpPath
 }
 
 $mediaSplat = @{
     Authentication = 'Bearer'
     Token = $accessToken | ConvertTo-SecureString -AsPlainText
     Headers = @{
-        'Content-Type' = 'image/jpeg'
+        'Content-Type' = 'image/webp'
     }
     Method = 'Post'
     Uri = ($homeserverUrl+'/_matrix/media/r0/upload')
-    InFile = $tmp.FullName
+    InFile = $webpPath
 }
 $media = Invoke-RestMethod @mediaSplat
 
-$tmp | Remove-Item
+Remove-Item $webpPath
 
 
 $serverName = $media.content_uri.Split('/')[2]
@@ -65,18 +75,20 @@ $mediaUrl = '{0}/_matrix/media/r0/download/{1}/{2}' -f $homeserverUrl,$serverNam
 $mediaUrl | wl-copy --trim-newline
 
 if ($roomId) {
+    $fileName = $webpPath | Split-Path -Leaf
+
     $eventSplat = @{
         Authentication = 'Bearer'
         Token = $accessToken | ConvertTo-SecureString -AsPlainText
         Method = 'Put'
-        Uri = '{0}/_matrix/client/r0/rooms/{1}/send/{2}/{3}' -f $homeserverUrl,$roomId,'m.room.message',($tmp.Name)
+        Uri = '{0}/_matrix/client/r0/rooms/{1}/send/{2}/{3}' -f $homeserverUrl,$roomId,'m.room.message',$filename
         Body = @{
-            body = $tmp.Name
+            body = $fileName
             msgtype = 'm.image'
             url = $media.content_uri
         } | ConvertTo-Json
     }
-    $event = Invoke-RestMethod @eventSplat
+    $event_id = (Invoke-RestMethod @eventSplat).event_id
 
-    Write-Output ('{0}' -f $event.event_id)
+    Write-Output ('{0}' -f $event_id)
 }