diff --git a/changelog.d/1483.bugfix b/changelog.d/1483.bugfix
new file mode 100644
index 0000000000..57f9df1011
--- /dev/null
+++ b/changelog.d/1483.bugfix
@@ -0,0 +1 @@
+WebP images can't be sent as media.
diff --git a/libraries/core/src/main/kotlin/io/element/android/libraries/core/mimetype/MimeTypes.kt b/libraries/core/src/main/kotlin/io/element/android/libraries/core/mimetype/MimeTypes.kt
index 0506126568..af2bca157b 100644
--- a/libraries/core/src/main/kotlin/io/element/android/libraries/core/mimetype/MimeTypes.kt
+++ b/libraries/core/src/main/kotlin/io/element/android/libraries/core/mimetype/MimeTypes.kt
@@ -31,6 +31,7 @@ object MimeTypes {
     const val BadJpg = "image/jpg"
     const val Jpeg = "image/jpeg"
     const val Gif = "image/gif"
+    const val WebP = "image/webp"
 
     const val Videos = "video/*"
     const val Mp4 = "video/mp4"
diff --git a/libraries/mediaupload/impl/src/main/kotlin/io/element/android/libraries/mediaupload/AndroidMediaPreProcessor.kt b/libraries/mediaupload/impl/src/main/kotlin/io/element/android/libraries/mediaupload/AndroidMediaPreProcessor.kt
index 9fc160252b..cd968530f8 100644
--- a/libraries/mediaupload/impl/src/main/kotlin/io/element/android/libraries/mediaupload/AndroidMediaPreProcessor.kt
+++ b/libraries/mediaupload/impl/src/main/kotlin/io/element/android/libraries/mediaupload/AndroidMediaPreProcessor.kt
@@ -66,6 +66,8 @@ class AndroidMediaPreProcessor @Inject constructor(
          * values may surpass this limit. (i.e.: an image of `480x3000px` would have `inSampleSize=1` and be sent as is).
          */
         private const val IMAGE_SCALE_REF_SIZE = 640
+
+        private val notCompressibleImageTypes = listOf(MimeTypes.Gif, MimeTypes.WebP)
     }
 
     private val contentResolver = context.contentResolver
@@ -78,7 +80,10 @@ class AndroidMediaPreProcessor @Inject constructor(
     ): Result<MediaUploadInfo> = withContext(coroutineDispatchers.computation) {
         runCatching {
             val result = when {
-                mimeType.isMimeTypeImage() -> processImage(uri, mimeType, compressIfPossible && mimeType != MimeTypes.Gif)
+                mimeType.isMimeTypeImage() -> {
+                    val shouldBeCompressed = compressIfPossible && mimeType !in notCompressibleImageTypes
+                    processImage(uri, mimeType, shouldBeCompressed)
+                }
                 mimeType.isMimeTypeVideo() -> processVideo(uri, mimeType, compressIfPossible)
                 mimeType.isMimeTypeAudio() -> processAudio(uri, mimeType)
                 else -> processFile(uri, mimeType)
@@ -125,13 +130,11 @@ class AndroidMediaPreProcessor @Inject constructor(
                 exifInterface?.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_UNDEFINED)
             } ?: ExifInterface.ORIENTATION_UNDEFINED
 
-            val compressionResult = contentResolver.openInputStream(uri).use { input ->
-                imageCompressor.compressToTmpFile(
-                    inputStream = requireNotNull(input),
-                    resizeMode = ResizeMode.Approximate(IMAGE_SCALE_REF_SIZE, IMAGE_SCALE_REF_SIZE),
-                    orientation = orientation,
-                ).getOrThrow()
-            }
+            val compressionResult = imageCompressor.compressToTmpFile(
+                inputStreamProvider = { contentResolver.openInputStream(uri)!! },
+                resizeMode = ResizeMode.Approximate(IMAGE_SCALE_REF_SIZE, IMAGE_SCALE_REF_SIZE),
+                orientation = orientation,
+            ).getOrThrow()
             val thumbnailResult: ThumbnailResult = thumbnailFactory.createImageThumbnail(compressionResult.file)
             val imageInfo = compressionResult.toImageInfo(
                 mimeType = mimeType,
diff --git a/libraries/mediaupload/impl/src/main/kotlin/io/element/android/libraries/mediaupload/ImageCompressor.kt b/libraries/mediaupload/impl/src/main/kotlin/io/element/android/libraries/mediaupload/ImageCompressor.kt
index a619a27bd9..d936b3a5bf 100644
--- a/libraries/mediaupload/impl/src/main/kotlin/io/element/android/libraries/mediaupload/ImageCompressor.kt
+++ b/libraries/mediaupload/impl/src/main/kotlin/io/element/android/libraries/mediaupload/ImageCompressor.kt
@@ -27,7 +27,6 @@ import io.element.android.libraries.androidutils.file.createTmpFile
 import io.element.android.libraries.di.ApplicationContext
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.withContext
-import java.io.BufferedInputStream
 import java.io.File
 import java.io.InputStream
 import javax.inject.Inject
@@ -42,14 +41,14 @@ class ImageCompressor @Inject constructor(
      * @return a [Result] containing the resulting [ImageCompressionResult] with the temporary [File] and some metadata.
      */
     suspend fun compressToTmpFile(
-        inputStream: InputStream,
+        inputStreamProvider: () -> InputStream,
         resizeMode: ResizeMode,
         format: Bitmap.CompressFormat = Bitmap.CompressFormat.JPEG,
         orientation: Int = ExifInterface.ORIENTATION_UNDEFINED,
         desiredQuality: Int = 80,
     ): Result<ImageCompressionResult> = withContext(Dispatchers.IO) {
         runCatching {
-            val compressedBitmap = compressToBitmap(inputStream, resizeMode, orientation).getOrThrow()
+            val compressedBitmap = compressToBitmap(inputStreamProvider, resizeMode, orientation).getOrThrow()
             // Encode bitmap to the destination temporary file
             val tmpFile = context.createTmpFile(extension = "jpeg")
             tmpFile.outputStream().use {
@@ -65,17 +64,24 @@ class ImageCompressor @Inject constructor(
     }
 
     /**
-     * Decodes the [inputStream] into a [Bitmap] and applies the needed transformations (rotation, scale) based on [resizeMode] and [orientation].
+     * Decodes the inputStream from [inputStreamProvider] into a [Bitmap] and applies the needed transformations (rotation, scale)
+     * based on [resizeMode] and [orientation].
      * @return a [Result] containing the resulting [Bitmap].
      */
     fun compressToBitmap(
-        inputStream: InputStream,
+        inputStreamProvider: () -> InputStream,
         resizeMode: ResizeMode,
         orientation: Int,
     ): Result<Bitmap> = runCatching {
-        BufferedInputStream(inputStream).use { input ->
-            val options = BitmapFactory.Options()
+        val options = BitmapFactory.Options()
+        // Decode bounds
+        inputStreamProvider().use { input ->
             calculateDecodingScale(input, resizeMode, options)
+        }
+        // Decode the actual bitmap
+        inputStreamProvider().use { input ->
+            // Now read the actual image and rotate it to match its metadata
+            options.inJustDecodeBounds = false
             val decodedBitmap = BitmapFactory.decodeStream(input, null, options)
                 ?: error("Decoding Bitmap from InputStream failed")
             val rotatedBitmap = decodedBitmap.rotateToMetadataOrientation(orientation)
@@ -88,7 +94,7 @@ class ImageCompressor @Inject constructor(
     }
 
     private fun calculateDecodingScale(
-        inputStream: BufferedInputStream,
+        inputStream: InputStream,
         resizeMode: ResizeMode,
         options: BitmapFactory.Options
     ) {
@@ -98,14 +104,10 @@ class ImageCompressor @Inject constructor(
             is ResizeMode.None -> return
         }
         // Read bounds only
-        inputStream.mark(inputStream.available())
         options.inJustDecodeBounds = true
         BitmapFactory.decodeStream(inputStream, null, options)
         // Set sample size based on the outWidth and outHeight
         options.inSampleSize = options.calculateInSampleSize(width, height)
-        // Now read the actual image and rotate it to match its metadata
-        inputStream.reset()
-        options.inJustDecodeBounds = false
     }
 }