diff --git a/src/Logic/ImageProviders/Panoramax.ts b/src/Logic/ImageProviders/Panoramax.ts
index bd8970efee..52d1b43cfb 100644
--- a/src/Logic/ImageProviders/Panoramax.ts
+++ b/src/Logic/ImageProviders/Panoramax.ts
@@ -192,9 +192,9 @@ export default class PanoramaxImageProvider extends ImageProvider {
 export class PanoramaxUploader implements ImageUploader {
     public readonly panoramax: AuthorizedPanoramax
     maxFileSizeInMegabytes = 100 * 1000 * 1000 // 100MB
-    private readonly _targetSequence: Store<string>
+    private readonly _targetSequence?: Store<string>
 
-    constructor(url: string, token: string, targetSequence: Store<string>) {
+    constructor(url: string, token: string, targetSequence?: Store<string>) {
         this._targetSequence = targetSequence
         this.panoramax = new AuthorizedPanoramax(url, token)
     }
@@ -212,16 +212,16 @@ export class PanoramaxUploader implements ImageUploader {
     }> {
         // https://panoramax.openstreetmap.fr/api/docs/swagger#/
 
-        let [lon, lat] = currentGps
+        let [lon, lat] = currentGps ?? [undefined, undefined]
         let datetime = new Date().toISOString()
         try {
             const tags = await ExifReader.load(blob)
             const [[latD], [latM], [latS, latSDenom]] = <
                 [[number, number], [number, number], [number, number]]
-            >tags?.GPSLatitude.value
+            >tags?.GPSLatitude?.value
             const [[lonD], [lonM], [lonS, lonSDenom]] = <
                 [[number, number], [number, number], [number, number]]
-            >tags?.GPSLongitude.value
+            >tags?.GPSLongitude?.value
             lat = latD + latM / 60 + latS / (3600 * latSDenom)
             lon = lonD + lonM / 60 + lonS / (3600 * lonSDenom)
 
diff --git a/src/UI/Test.svelte b/src/UI/Test.svelte
index 0fbba99789..e255fbb958 100644
--- a/src/UI/Test.svelte
+++ b/src/UI/Test.svelte
@@ -1,2 +1,86 @@
 <script lang="ts">
+  import FileSelector from "./Base/FileSelector.svelte"
+  import { UIEventSource } from "../Logic/UIEventSource"
+  import ExifReader from "exifreader"
+  import Constants from "../Models/Constants"
+  import { AuthorizedPanoramax, ImageData } from "panoramax-js"
+  import PanoramaxImageProvider from "../Logic/ImageProviders/Panoramax"
+
+  let log = new UIEventSource<string[]>(["Select a file to test..."])
+
+  function l(...txt: ReadonlyArray<string | number>) {
+    console.log(...txt)
+    log.set([...log.data, txt.join(" ")])
+  }
+
+  async function onSubmit(fs: FileList) {
+    const f = fs[0]
+    l("Files are", f.name)
+
+    let [lon, lat] = [3.5, 51.2]
+    let datetime = new Date().toISOString()
+    try {
+      l("Trying to read EXIF-data from the file...")
+      const tags = await ExifReader.load(f)
+      l("Exif data loaded")
+      l("GPSLatitude.value is :", JSON.stringify(tags?.GPSLatitude.value))
+      l("GPSLongitude.value is :", JSON.stringify(tags?.GPSLongitude.value))
+
+      const [[latD], [latM], [latS, latSDenom]] = <
+        [[number, number], [number, number], [number, number]]
+        >tags?.GPSLatitude?.value
+      const [[lonD], [lonM], [lonS, lonSDenom]] = <
+        [[number, number], [number, number], [number, number]]
+        >tags?.GPSLongitude?.value
+      lat = latD + latM / 60 + latS / (3600 * latSDenom)
+      lon = lonD + lonM / 60 + lonS / (3600 * lonSDenom)
+      l("Lat and lon are", lat, lon)
+      l("Datetime value is", JSON.stringify(tags.DateTime))
+      const [date, time] = tags.DateTime.value[0].split(" ")
+      datetime = new Date(date.replaceAll(":", "-") + "T" + time).toISOString()
+      l("Datetime parsed is", datetime)
+      console.log("Tags are", tags)
+    } catch (e) {
+      console.error("Could not read EXIF-tags")
+      l("Could not read the exif tags:", e, JSON.stringify(e))
+    }
+
+    try {
+
+      const p = new AuthorizedPanoramax(
+        Constants.panoramax.url,
+        Constants.panoramax.token,
+      )
+      const sequenceId = "7f34cf53-27ff-46c9-ac22-78511fa8457a" // test-sequence
+      l("Fetching sequence number...")
+      const sequence: { id: string; "stats:items": { count: number } } = (
+        await p.mySequences()
+      ).find((s) => s.id === sequenceId)
+      l("Sequence number is", sequence["stats:items"].count, "now attempting upload")
+      const img = <ImageData>await p.addImage(f, sequence, {
+        lon,
+        lat,
+        datetime,
+        isBlurred: false,
+        exifOverride: {
+          "Artist": "TEST ACCOUNT",
+        },
+      })
+      l("Upload completed. Adding meta")
+      PanoramaxImageProvider.singleton.addKnownMeta(img)
+      l("Meta added")
+    } catch (e) {
+      l("Error while uploading:", e)
+    }
+  }
 </script>
+
+<FileSelector accept="image/jpg" multiple={false} on:submit={(f) => onSubmit(f.detail)}>
+  <div class="border border-black p-1">Select file</div>
+</FileSelector>
+<div class="flex flex-col">
+
+  {#each $log as logl}
+    <div>{logl}</div>
+  {/each}
+</div>