diff --git a/i18n/de.json b/i18n/de.json
index 87c5dac..3cdd9ba 100644
--- a/i18n/de.json
+++ b/i18n/de.json
@@ -75,6 +75,13 @@
           "description": "Kodiert oder dekodiert Text als Base64"
         }
       },
+      "conversion": {
+        "title": "Umrechnung",
+        "CelciusToFahrenheit": {
+          "title": "Celcius zu Fahrenheit",
+          "description": "Temperaturumrechner"
+        }
+      },
       "color": {
         "title": "Farbe",
         "hexToHSL": {
@@ -121,7 +128,7 @@
         "title": "Hex zu HSL",
         "description": "Konvertiert eine Hex-Farbe in das HSL-Format.",
         "options": {
-            "valuesOnly": "In hsl(...) einfügen"
+          "valuesOnly": "In hsl(...) einfügen"
         }
       }
     },
@@ -134,6 +141,17 @@
           "dropFiles": "Dateien hierhin ziehen und ablegen oder klicken, um auszuwählen"
         }
       }
+    },
+    "conversion": {
+      "CelciusToFahrenheit": {
+        "title": "Fahrenheit ⇄ Celsius Rechner",
+        "fahrenheit": "Fahrenheit",
+        "celcius": "Celcius",
+        "description": {
+          "title": "Was macht dieser Converter?",
+          "text": "Dieser Converter rechnet Temperaturen zwischen Fahrenheit und Celsius um. Gib einen Wert ein und erhalte sofort das Ergebnis in der anderen Einheit."
+        }
+      }
     }
   },
   "translationTable": {
@@ -144,4 +162,4 @@
     "swapSides": "Seiten tauschen",
     "clearInput": "Eingabe löschen"
   }
-}
+}
\ No newline at end of file
diff --git a/i18n/en.json b/i18n/en.json
index c1c4b22..d9d9a5a 100644
--- a/i18n/en.json
+++ b/i18n/en.json
@@ -79,6 +79,13 @@
           "description": "Encode or decode text as Unicode Binary"
         }
       },
+      "conversion": {
+        "title": "Conversion",
+        "CelciusToFahrenheit": {
+          "title": "Celcius To Fahrenheit",
+          "description": "Temperature Converter"
+        }
+      },
       "color": {
         "title": "Color",
         "hexToHSL": {
@@ -131,7 +138,7 @@
         "title": "Hex to HSL",
         "description": "Converts a hex color to HSL format.",
         "options": {
-            "valuesOnly": "Include in hsl(...)"
+          "valuesOnly": "Include in hsl(...)"
         }
       }
     },
@@ -144,6 +151,17 @@
           "dropFiles": "Drag & drop files here, or click to select"
         }
       }
+    },
+    "conversion": {
+      "CelciusToFahrenheit": {
+        "title": "Fahrenheit ⇄ Celsius converter",
+        "fahrenheit": "Fahrenheit",
+        "celcius": "Celcius",
+        "description": {
+          "title": "What does this converter do?",
+          "text": "This converter converts temperatures between Fahrenheit and Celsius. Enter a value and get the result in the other unit instantly."
+        }
+      }
     }
   },
   "translationTable": {
diff --git a/src/app/[locale]/(tools)/conversion/celcius-to-fahrenheit/page.tsx b/src/app/[locale]/(tools)/conversion/celcius-to-fahrenheit/page.tsx
new file mode 100644
index 0000000..1be343c
--- /dev/null
+++ b/src/app/[locale]/(tools)/conversion/celcius-to-fahrenheit/page.tsx
@@ -0,0 +1,74 @@
+"use client"
+import { Section } from "@/components/ui/Section";
+import { useState } from "react";
+import { convertTemp } from "./tempraturConverter";
+import { useTranslations } from "next-intl";
+
+
+export default function TemperatureConverter() {
+  const [fahrenheit, setFahrenheit] = useState("");
+  const [celsius, setCelsius] = useState("");
+  
+  const t = useTranslations("tools.conversion.CelciusToFahrenheit")
+
+  // Handlers for input changes
+  function handleFahrenheitChange(e: React.ChangeEvent<HTMLInputElement>) {
+    const value = e.target.value;
+    setFahrenheit(value);
+    const num = parseFloat(value);
+    
+    if (isNaN(num)) {
+      setCelsius("");
+      return;
+    }
+    
+    setCelsius(convertTemp("FC", num).toFixed(2) + "°C");
+  }
+
+  function handleCelsiusChange(e: React.ChangeEvent<HTMLInputElement>) {
+    const value = e.target.value;
+    setCelsius(value);
+    const num = parseFloat(value);
+    if (isNaN(num)) {
+      setFahrenheit("");
+      return;
+    }
+    setFahrenheit(convertTemp("CF", num).toFixed(2) + "°F");
+  }
+
+  return (
+    <div className="flex flex-col gap-6 pt-4 max-w-md mx-auto">
+      <h2 className="text-lg font-semibold mb-2 text-center">{t("title")}</h2>
+      <div className="flex flex-row gap-4 justify-center items-center">
+        <div className="flex flex-col items-center">
+          <label className="text-sm mb-1" htmlFor="fahrenheit">{t("fahrenheit")}</label>
+          <input
+            id="fahrenheit"
+            value={fahrenheit}
+            onChange={handleFahrenheitChange}
+            className="w-28 px-2 py-1 rounded border border-gray-300 text-center"
+            placeholder="°F"
+          />
+        </div>
+        <span className="text-xl font-bold">⇄</span>
+        <div className="flex flex-col items-center">
+          <label className="text-sm mb-1" htmlFor="celsius">{t("celcius")}</label>
+          <input
+            id="celsius"
+            value={celsius}
+            onChange={handleCelsiusChange}
+            className="w-28 px-2 py-1 rounded border border-gray-300 text-center"
+            placeholder="°C"
+          />
+        </div>
+      </div>
+      <Section variant="ghost">
+        <h2 className="header-section-2">{t("description.title")}</h2>
+        <p>
+          {t("description.text")}
+        </p>
+      </Section>
+    </div>
+  );
+}
+
diff --git a/src/app/[locale]/(tools)/conversion/celcius-to-fahrenheit/tempraturConverter.tsx b/src/app/[locale]/(tools)/conversion/celcius-to-fahrenheit/tempraturConverter.tsx
new file mode 100644
index 0000000..7efc513
--- /dev/null
+++ b/src/app/[locale]/(tools)/conversion/celcius-to-fahrenheit/tempraturConverter.tsx
@@ -0,0 +1,18 @@
+export function convertTemp(mode: "CF" | "FC", input: number): number {
+    let newTemp: number;
+    if (mode == 'CF') {
+        newTemp = CF(input);
+    } else {
+        newTemp = FC(input);
+    }
+    return newTemp;
+}
+
+export function CF(input: number): number {
+    return input * 1.8 + 32
+}
+
+export function FC(input: number): number {
+    return (input - 32) / 1.8
+}
+
diff --git a/src/app/[locale]/(tools)/pdf/SampleGenerator/page.tsx b/src/app/[locale]/(tools)/pdf/SampleGenerator/page.tsx
index 4738ea8..9ddb9fe 100644
--- a/src/app/[locale]/(tools)/pdf/SampleGenerator/page.tsx
+++ b/src/app/[locale]/(tools)/pdf/SampleGenerator/page.tsx
@@ -50,7 +50,7 @@ export default function PDFSampleGenerator() {
 
     const pdfBytes = await pdfDoc.save()
 
-    const blob = new Blob([pdfBytes], { type: 'application/pdf' });
+    const blob = new Blob([pdfBytes as BlobPart], { type: 'application/pdf' });
 
     await saveBlobToFileWithDialog(blob);
   }
diff --git a/src/app/[locale]/(tools)/pdf/split/page.tsx b/src/app/[locale]/(tools)/pdf/split/page.tsx
index 210b4f7..be1dedb 100644
--- a/src/app/[locale]/(tools)/pdf/split/page.tsx
+++ b/src/app/[locale]/(tools)/pdf/split/page.tsx
@@ -36,6 +36,7 @@ export default function PDFSplit() {
     (async () => {
       const newPdfFile = await PDFDocument.load(await file.arrayBuffer());
 
+
       setPdfFile(newPdfFile);
       setFileNameWithoutExtension(file.name.split(".").slice(0, -1).join("."));
 
@@ -81,7 +82,7 @@ export default function PDFSplit() {
     for (let i = 0; i < splittedPDFs.length; i++) {
       const pdf = splittedPDFs[i];
       const pdfBytes = await pdf.save();
-      const pdfReader = new BlobReader(new Blob([pdfBytes]));
+      const pdfReader = new BlobReader(new Blob([pdfBytes as BlobPart]));
       await zipWriter.add(`${fileNameWithoutExtension}-${i + 1}.pdf`, pdfReader);
     }
 
diff --git a/src/lib/navigation.ts b/src/lib/navigation.ts
index 2d19e94..f8dc182 100644
--- a/src/lib/navigation.ts
+++ b/src/lib/navigation.ts
@@ -137,6 +137,18 @@ export const menuData: Array<NavigationGroupTranslationKey & DisplayInMenuField
         }
       ],
     },
+    {
+        translationKey: "tools.conversion",
+      displayInMenu: true,
+      items: [
+        {
+          translationKey: "CelciusToFahrenheit",
+          href: "/conversion/celcius-to-fahrenheit",
+          displayInMenu: true,
+          icon: UpdateIcon,
+        }
+      ]
+    },
     {
       translationKey: "tools.color",
       displayInMenu: true,