diff --git a/src/converters/ffmpeg.ts b/src/converters/ffmpeg.ts
index bbc2e41..8f26385 100644
--- a/src/converters/ffmpeg.ts
+++ b/src/converters/ffmpeg.ts
@@ -699,47 +699,6 @@ export async function convert(
   let extraArgs: string[] = [];
   let message = "Done";
 
-  const audioFormatsWithCover = ["m4a", "mp3", "flac", "ogg"];
-  const audioFormatsNoCover = ["wav", "aac"];
-
-  const audioInputFormats = [
-    "aac",
-    "ac3",
-    "ac4",
-    "aiff",
-    "alac",
-    "amr",
-    "ape",
-    "au",
-    "caf",
-    "dts",
-    "eac3",
-    "flac",
-    "m4a",
-    "m4b",
-    "mka",
-    "mp2",
-    "mp3",
-    "mpc",
-    "ogg",
-    "oga",
-    "opus",
-    "ra",
-    "voc",
-    "wav",
-    "wma",
-    "wv",
-  ];
-
-  if (
-    audioFormatsWithCover.includes(convertTo) &&
-    audioInputFormats.includes(fileType.toLowerCase())
-  ) {
-    extraArgs.push("-c:v", "copy", "-disposition:v", "attached_pic");
-  } else if (audioFormatsNoCover.includes(convertTo) || audioFormatsWithCover.includes(convertTo)) {
-    extraArgs.push("-vn");
-  }
-
   if (convertTo === "ico") {
     // Make sure image is 256x256 or smaller
     extraArgs = [
diff --git a/src/converters/libreoffice.ts b/src/converters/libreoffice.ts
index 9bc8e69..f9a06c3 100644
--- a/src/converters/libreoffice.ts
+++ b/src/converters/libreoffice.ts
@@ -6,7 +6,6 @@ export const properties = {
     text: [
       "602",
       "abw",
-      "csv",
       "cwk",
       "doc",
       "docm",
@@ -35,7 +34,6 @@ export const properties = {
       "stw",
       "sxw",
       "tab",
-      "tsv",
       "txt",
       "wn",
       "wpd",
@@ -46,10 +44,10 @@ export const properties = {
       "xml",
       "zabw",
     ],
+    calc: ["csv", "ods", "tsv", "xls", "xlsx"],
   },
   to: {
     text: [
-      "csv",
       "doc",
       "docm",
       "docx",
@@ -65,13 +63,13 @@ export const properties = {
       "pdf",
       "rtf",
       "tab",
-      "tsv",
       "txt",
       "wps",
       "wpt",
       "xhtml",
       "xml",
     ],
+    calc: ["csv", "ods", "pdf", "tsv", "xls", "xlsx", "ots", "xlsm", "xlt", "xltm"],
   },
 };
 
@@ -117,7 +115,7 @@ const filters: Record<FileCategories, Record<string, string | null>> = {
     // filter makes soffice reject a genuine Works document with "source file
     // could not be loaded", even though it converts the same file fine with
     // no --infilter at all (LibreOffice auto-detects it correctly).
-    //
+
     // null is deliberate for BOTH directions here, not just the import side:
     // this map feeds both --infilter (import) and the --convert-to suffix
     // (export). On import, null lets LibreOffice auto-detect - its Works
@@ -133,7 +131,18 @@ const filters: Record<FileCategories, Record<string, string | null>> = {
     xml: "OpenDocument Text Flat XML",
     zabw: "AbiWord",
   },
-  calc: {},
+  calc: {
+    csv: "Text - txt - csv (StarCalc)",
+    ods: "calc8",
+    ots: "calc8_template",
+    pdf: "calc_pdf_Export",
+    tsv: "Text - txt - csv (StarCalc)",
+    xls: "MS Excel 97",
+    xlsx: "Calc MS Excel 2007 XML",
+    xlsm: "Calc MS Excel 2007 XML VBA",
+    xlt: "MS Excel 97 Vorlage",
+    xltm: "Calc MS Excel 2007 XML Template",
+  },
 };
 
 const getFilters = (fileType: string, converto: string) => {