diff --git a/src/commitGenerator.ts b/src/commitGenerator.ts
index 0d89484..59f859a 100644
--- a/src/commitGenerator.ts
+++ b/src/commitGenerator.ts
@@ -9,19 +9,19 @@ export async function generateCommitMsg(scm?: vscode.SourceControl): Promise<voi
   try {
     const gitExtension = vscode.extensions.getExtension("vscode.git")?.exports
     if (!gitExtension) {
-      throw new Error("Git extension not found")
+      throw new Error("Extension Git introuvable")
     }
 
     const git = gitExtension.getAPI(1)
     if (git.repositories.length === 0) {
-      throw new Error("No Git repositories available")
+      throw new Error("Aucun dépôt Git disponible")
     }
 
     // If invoked from SCM panel button, a specific repo is provided
     if (scm) {
       const repository = git.getRepository(scm.rootUri)
       if (!repository) {
-        throw new Error("Repository not found for the selected SCM")
+        throw new Error("Dépôt introuvable pour le SCM sélectionné")
       }
       await generateForRepository(repository)
       return
@@ -45,7 +45,7 @@ async function orchestrateMultiRepo(repos: unknown[]): Promise<void> {
   const reposWithChanges = await filterReposWithChanges(repos)
 
   if (reposWithChanges.length === 0) {
-    vscode.window.showInformationMessage("[Zemit] No changes found in any repository.")
+    vscode.window.showInformationMessage("[Zemit] Aucune modification trouvée dans les dépôts.")
     return
   }
 
@@ -62,12 +62,12 @@ async function orchestrateMultiRepo(repos: unknown[]): Promise<void> {
 
   items.unshift({
     label: "$(git-commit) All repositories with changes",
-    description: `Generate for ${reposWithChanges.length} repositories`,
+    description: `Générer pour ${reposWithChanges.length} dépôts`,
     repo: null as any,
   })
 
   const selection = await vscode.window.showQuickPick(items, {
-    placeHolder: "Select a repository to generate a commit message for",
+    placeHolder: "Sélectionner un dépôt pour générer un message de commit",
   })
 
   if (!selection) return
@@ -104,7 +104,7 @@ async function generateForRepository(repository: any): Promise<void> {
   await vscode.window.withProgress(
     {
       location: vscode.ProgressLocation.SourceControl,
-      title: `Zemit: Generating commit message for ${repoName}...`,
+      title: `Zemit : Génération du message de commit pour ${repoName}...`,
       cancellable: true,
     },
     (_progress, token) => performGeneration(repository.inputBox, diff, token),
@@ -147,7 +147,7 @@ async function performGeneration(
     }
 
     if (!inputBox.value) {
-      throw new Error("The AI returned an empty response")
+      throw new Error("L'IA n'a retourné aucune réponse")
     }
   } finally {
     await vscode.commands.executeCommand("setContext", "zemit.isGenerating", false)
diff --git a/src/extension.ts b/src/extension.ts
index 3ad5d21..b4f664b 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -18,7 +18,7 @@ async function selectModel(): Promise<void> {
   let models: string[]
   try {
     models = await vscode.window.withProgress(
-      { location: vscode.ProgressLocation.Notification, title: "Zemit: Fetching available models…", cancellable: false },
+      { location: vscode.ProgressLocation.Notification, title: "Zemit : Récupération des modèles disponibles…", cancellable: false },
       () => fetchAvailableModels(config),
     )
   } catch (err) {
@@ -28,25 +28,25 @@ async function selectModel(): Promise<void> {
   }
 
   if (models.length === 0) {
-    vscode.window.showWarningMessage("[Zemit] No models found for the configured provider.")
+    vscode.window.showWarningMessage("[Zemit] Aucun modèle trouvé pour le fournisseur configuré.")
     return
   }
 
   const currentModel = config.get<string>("model", "")
   const items = models.map((id) => ({
     label: id,
-    description: id === currentModel ? "current" : undefined,
+    description: id === currentModel ? "actuel" : undefined,
   }))
 
   const picked = await vscode.window.showQuickPick(items, {
-    placeHolder: "Select a model",
+    placeHolder: "Sélectionner un modèle",
     matchOnDescription: false,
   })
 
   if (!picked) return
 
   await config.update("model", picked.label, vscode.ConfigurationTarget.Global)
-  vscode.window.showInformationMessage(`[Zemit] Model set to ${picked.label}`)
+  vscode.window.showInformationMessage(`[Zemit] Modèle défini sur ${picked.label}`)
 }
 
 export function deactivate(): void {}
diff --git a/src/git.ts b/src/git.ts
index 8f5f69b..0a60d05 100644
--- a/src/git.ts
+++ b/src/git.ts
@@ -32,10 +32,10 @@ async function hasCommits(cwd: string): Promise<boolean> {
 
 export async function getGitDiff(cwd: string, stagedOnly = false): Promise<string> {
   if (!(await isGitInstalled())) {
-    throw new Error("Git is not installed")
+    throw new Error("Git n'est pas installé")
   }
   if (!(await isGitRepo(cwd))) {
-    throw new Error("Not a git repository")
+    throw new Error("Pas un dépôt git")
   }
 
   let diff = ""
@@ -72,7 +72,7 @@ export async function getGitDiff(cwd: string, stagedOnly = false): Promise<strin
   }
 
   if (!diff) {
-    throw new Error("No changes found to generate a commit message from")
+    throw new Error("Aucune modification trouvée pour générer un message de commit")
   }
 
   return diff
diff --git a/src/providers.ts b/src/providers.ts
index f83d8b7..0d0c24d 100644
--- a/src/providers.ts
+++ b/src/providers.ts
@@ -170,7 +170,7 @@ export function createProvider(config: vscode.WorkspaceConfiguration): AIProvide
   switch (provider) {
     case "anthropic": {
       const baseUrl = customBaseUrl || "https://api.anthropic.com/v1"
-      if (!apiKey) throw new Error("Anthropic API key is required. Set it in Settings → Zemit AI Commit.")
+      if (!apiKey) throw new Error("Clé API Anthropic requise. Configurez-la dans Paramètres → Zemit AI Commit.")
       return new AnthropicProvider(apiKey, model, baseUrl)
     }
     case "ollama": {
@@ -179,7 +179,7 @@ export function createProvider(config: vscode.WorkspaceConfiguration): AIProvide
     }
     default: {
       const baseUrl = customBaseUrl || "https://api.openai.com/v1"
-      if (!apiKey) throw new Error("OpenAI API key is required. Set it in Settings → Zemit AI Commit.")
+      if (!apiKey) throw new Error("Clé API OpenAI requise. Configurez-la dans Paramètres → Zemit AI Commit.")
       return new OpenAICompatibleProvider(apiKey, model, baseUrl)
     }
   }
@@ -195,7 +195,7 @@ export async function fetchAvailableModels(config: vscode.WorkspaceConfiguration
   switch (provider) {
     case "anthropic": {
       const baseUrl = customBaseUrl || "https://api.anthropic.com/v1"
-      if (!apiKey) throw new Error("Anthropic API key is required. Set it in Settings → Zemit AI Commit.")
+      if (!apiKey) throw new Error("Clé API Anthropic requise. Configurez-la dans Paramètres → Zemit AI Commit.")
       const response = await fetch(`${baseUrl}/models`, {
         headers: {
           "x-api-key": apiKey,
@@ -208,7 +208,7 @@ export async function fetchAvailableModels(config: vscode.WorkspaceConfiguration
     }
     case "openai": {
       const baseUrl = customBaseUrl || "https://api.openai.com/v1"
-      if (!apiKey) throw new Error("OpenAI API key is required. Set it in Settings → Zemit AI Commit.")
+      if (!apiKey) throw new Error("Clé API OpenAI requise. Configurez-la dans Paramètres → Zemit AI Commit.")
       const response = await fetch(`${baseUrl}/models`, {
         headers: { Authorization: `Bearer ${apiKey}` },
       })