diff --git a/l10n/en_GB.js b/l10n/en_GB.js
new file mode 100644
index 00000000..9c4e41b9
--- /dev/null
+++ b/l10n/en_GB.js
@@ -0,0 +1,8 @@
+OC.L10N.register(
+    "files_pdfviewer",
+    {
+    "PDF viewer" : "PDF viewer",
+    "Directly view PDF documents in your Nextcloud. \nAs an added bonus, this app can also display Adobe Illustrator (.ai) files. \nPowered by [pdf.js](https://mozilla.github.io/pdf.js/)" : "Directly view PDF documents in your Nextcloud. \nAs an added bonus, this app can also display Adobe Illustrator (.ai) files. \nPowered by [pdf.js](https://mozilla.github.io/pdf.js/)",
+    "File upload failed." : "File upload failed."
+},
+"nplurals=2; plural=(n != 1);");
diff --git a/l10n/en_GB.json b/l10n/en_GB.json
new file mode 100644
index 00000000..2390f10e
--- /dev/null
+++ b/l10n/en_GB.json
@@ -0,0 +1,6 @@
+{ "translations": {
+    "PDF viewer" : "PDF viewer",
+    "Directly view PDF documents in your Nextcloud. \nAs an added bonus, this app can also display Adobe Illustrator (.ai) files. \nPowered by [pdf.js](https://mozilla.github.io/pdf.js/)" : "Directly view PDF documents in your Nextcloud. \nAs an added bonus, this app can also display Adobe Illustrator (.ai) files. \nPowered by [pdf.js](https://mozilla.github.io/pdf.js/)",
+    "File upload failed." : "File upload failed."
+},"pluralForm" :"nplurals=2; plural=(n != 1);"
+}
\ No newline at end of file
diff --git a/l10n/es.js b/l10n/es.js
new file mode 100644
index 00000000..e1ecfe96
--- /dev/null
+++ b/l10n/es.js
@@ -0,0 +1,8 @@
+OC.L10N.register(
+    "files_pdfviewer",
+    {
+    "PDF viewer" : "Visor de PDF",
+    "Directly view PDF documents in your Nextcloud. \nAs an added bonus, this app can also display Adobe Illustrator (.ai) files. \nPowered by [pdf.js](https://mozilla.github.io/pdf.js/)" : "Visualiza documentos PDF directamente en tu Nextcloud.\nComo ventaja añadida, esta app puede visualizar archivos de Adobe Illustrator (.ai) files.\nFunciona gracias a [pdf.js](https://mozilla.github.io/pdf.js/)",
+    "File upload failed." : "Subida de archivo falló."
+},
+"nplurals=3; plural=n == 1 ? 0 : n != 0 && n % 1000000 == 0 ? 1 : 2;");
diff --git a/l10n/es.json b/l10n/es.json
new file mode 100644
index 00000000..4b7f271e
--- /dev/null
+++ b/l10n/es.json
@@ -0,0 +1,6 @@
+{ "translations": {
+    "PDF viewer" : "Visor de PDF",
+    "Directly view PDF documents in your Nextcloud. \nAs an added bonus, this app can also display Adobe Illustrator (.ai) files. \nPowered by [pdf.js](https://mozilla.github.io/pdf.js/)" : "Visualiza documentos PDF directamente en tu Nextcloud.\nComo ventaja añadida, esta app puede visualizar archivos de Adobe Illustrator (.ai) files.\nFunciona gracias a [pdf.js](https://mozilla.github.io/pdf.js/)",
+    "File upload failed." : "Subida de archivo falló."
+},"pluralForm" :"nplurals=3; plural=n == 1 ? 0 : n != 0 && n % 1000000 == 0 ? 1 : 2;"
+}
\ No newline at end of file
diff --git a/l10n/ro.js b/l10n/ro.js
new file mode 100644
index 00000000..ede82c81
--- /dev/null
+++ b/l10n/ro.js
@@ -0,0 +1,6 @@
+OC.L10N.register(
+    "files_pdfviewer",
+    {
+    "File upload failed." : "Eroare la încărcarea fișierului."
+},
+"nplurals=3; plural=(n==1?0:(((n%100>19)||((n%100==0)&&(n!=0)))?2:1));");
diff --git a/l10n/ro.json b/l10n/ro.json
new file mode 100644
index 00000000..3da5bdf1
--- /dev/null
+++ b/l10n/ro.json
@@ -0,0 +1,4 @@
+{ "translations": {
+    "File upload failed." : "Eroare la încărcarea fișierului."
+},"pluralForm" :"nplurals=3; plural=(n==1?0:(((n%100>19)||((n%100==0)&&(n!=0)))?2:1));"
+}
\ No newline at end of file