diff --git a/src/config.rs b/src/config.rs
index 6ccbec9..9c2bafe 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -1,4 +1,4 @@
-use crate::utils::sanitize_string;
+use crate::utils::{clean_repo_input, sanitize_string};
 use serde::{Deserialize, Serialize};
 use std::path::PathBuf;
 
@@ -22,7 +22,7 @@ pub struct RepoConfig {
 impl RepoConfig {
     pub fn new(name: impl Into<String>, include_prereleases: bool) -> Self {
         Self {
-            name: name.into(),
+            name: AppConfig::normalize_repo_name(&name.into()),
             include_prereleases,
             last_synced_tag: None,
         }
@@ -50,21 +50,17 @@ pub struct AppConfig {
 }
 
 impl AppConfig {
-    /// Normalisiert die Repository-Eingabe, indem führende/nachgestellte Schrägstriche und GitHub-URL-Präfixe entfernt werden.
+    /// Normalisiert die Repository-Eingabe, indem führende/nachgestellte Schrägstriche,
+    /// Query-Parameter, Fragmente und GitHub-URL-Präfixe entfernt werden.
     pub fn normalize_repo_name(input: &str) -> String {
-        let trimmed = input.trim();
-        let cleaned = trimmed
-            .trim_start_matches("https://github.com/")
-            .trim_start_matches("http://github.com/")
-            .trim_start_matches("github.com/")
-            .trim_end_matches(".git")
-            .trim_matches('/');
-        cleaned.to_string()
+        clean_repo_input(input).to_string()
     }
 
     /// Fügt ein Repository zur Konfiguration hinzu oder aktualisiert ein bestehendes.
-    pub fn add_or_update_repo(&mut self, repo: RepoConfig) {
-        if let Some(existing) = self.repositories.iter_mut().find(|r| r.name.eq_ignore_ascii_case(&repo.name)) {
+    pub fn add_or_update_repo(&mut self, mut repo: RepoConfig) {
+        repo.name = Self::normalize_repo_name(&repo.name);
+        if let Some(existing) = self.repositories.iter_mut().find(|r| Self::normalize_repo_name(&r.name).eq_ignore_ascii_case(&repo.name)) {
+            existing.name = repo.name;
             existing.include_prereleases = repo.include_prereleases;
         } else {
             self.repositories.push(repo);
@@ -75,20 +71,20 @@ impl AppConfig {
     pub fn remove_repo(&mut self, repo_name: &str) -> bool {
         let normalized = Self::normalize_repo_name(repo_name);
         let before_len = self.repositories.len();
-        self.repositories.retain(|r| !r.name.eq_ignore_ascii_case(&normalized));
+        self.repositories.retain(|r| !Self::normalize_repo_name(&r.name).eq_ignore_ascii_case(&normalized));
         self.repositories.len() < before_len
     }
 
     /// Sucht ein Repository anhand des Namens.
     pub fn find_repo(&self, repo_name: &str) -> Option<&RepoConfig> {
         let normalized = Self::normalize_repo_name(repo_name);
-        self.repositories.iter().find(|r| r.name.eq_ignore_ascii_case(&normalized))
+        self.repositories.iter().find(|r| Self::normalize_repo_name(&r.name).eq_ignore_ascii_case(&normalized))
     }
 
     /// Aktualisiert den zuletzt synchronisierten Tag für ein bestimmtes Repository.
     pub fn update_last_synced_tag(&mut self, repo_name: &str, tag: String) {
         let normalized = Self::normalize_repo_name(repo_name);
-        if let Some(repo) = self.repositories.iter_mut().find(|r| r.name.eq_ignore_ascii_case(&normalized)) {
+        if let Some(repo) = self.repositories.iter_mut().find(|r| Self::normalize_repo_name(&r.name).eq_ignore_ascii_case(&normalized)) {
             repo.last_synced_tag = Some(tag);
         }
     }
@@ -111,6 +107,10 @@ pub fn get_config_file_path() -> PathBuf {
 pub fn load_config() -> AppConfig {
     let mut config = config_ctdra::load_config::<AppConfig>();
 
+    for repo in &mut config.repositories {
+        repo.name = AppConfig::normalize_repo_name(&repo.name);
+    }
+
     if let Ok(val) = std::env::var("GITEA_URL") {
         let val = sanitize_string(&val);
         if !val.is_empty() {
diff --git a/src/github.rs b/src/github.rs
index bb6d138..231a8cd 100644
--- a/src/github.rs
+++ b/src/github.rs
@@ -246,13 +246,7 @@ impl GitHubClient {
 
 /// Hilfsfunktion zum Parsen von "owner/repo" aus einer Repository-Zeichenkette.
 pub fn parse_repo_owner_name(repo: &str) -> Result<(&str, &str)> {
-    let cleaned = repo
-        .trim()
-        .trim_start_matches("https://github.com/")
-        .trim_start_matches("http://github.com/")
-        .trim_start_matches("github.com/")
-        .trim_end_matches(".git")
-        .trim_matches('/');
+    let cleaned = crate::utils::clean_repo_input(repo);
 
     let parts: Vec<&str> = cleaned.split('/').collect();
     if parts.len() != 2 || parts[0].is_empty() || parts[1].is_empty() {
diff --git a/src/utils.rs b/src/utils.rs
index 7d55e90..317d8e9 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -29,3 +29,36 @@ pub fn sanitize_env_vars(env_vars: &mut std::collections::HashMap<String, String
         *value = sanitize_string(value);
     }
 }
+
+/// Bereinigt eine Repository-Eingabe (URL oder Kurzform), indem Query-Parameter, Fragmente,
+/// URL-Schemata/Hosts (`github.com`, `www.github.com`, `git@github.com:`), `.git`-Endungen
+/// und umgebende Schrägstriche entfernt werden.
+pub fn clean_repo_input(input: &str) -> &str {
+    let mut trimmed = input.trim();
+    if (trimmed.starts_with('"') && trimmed.ends_with('"'))
+        || (trimmed.starts_with('\'') && trimmed.ends_with('\''))
+    {
+        if trimmed.len() >= 2 {
+            trimmed = trimmed[1..trimmed.len() - 1].trim();
+        }
+    }
+
+    let without_query_or_fragment = match trimmed.find(|c| c == '?' || c == '#') {
+        Some(idx) => &trimmed[..idx],
+        None => trimmed,
+    };
+
+    let mut cleaned = without_query_or_fragment
+        .trim_start_matches("git@github.com:")
+        .trim_start_matches("https://")
+        .trim_start_matches("http://")
+        .trim_start_matches("www.github.com/")
+        .trim_start_matches("github.com/")
+        .trim_matches('/');
+
+    if let Some(stripped) = cleaned.strip_suffix(".git") {
+        cleaned = stripped.trim_matches('/');
+    }
+
+    cleaned
+}
diff --git a/tests/config_tests.rs b/tests/config_tests.rs
index 768082b..972e675 100644
--- a/tests/config_tests.rs
+++ b/tests/config_tests.rs
@@ -1,5 +1,5 @@
 use mirror_package::config::{AppConfig, RepoConfig, load_config};
-use mirror_package::utils::{sanitize_env_vars, sanitize_string};
+use mirror_package::utils::{clean_repo_input, sanitize_env_vars, sanitize_string};
 use std::collections::HashMap;
 
 #[test]
@@ -65,20 +65,72 @@ fn test_sanitize_string() {
     assert_eq!(sanitize_string("  \"world\"  "), "world");
 }
 
+#[test]
+fn test_clean_repo_input() {
+    assert_eq!(clean_repo_input("owner/repo"), "owner/repo");
+    assert_eq!(clean_repo_input("https://github.com/owner/repo"), "owner/repo");
+    assert_eq!(clean_repo_input("http://github.com/owner/repo"), "owner/repo");
+    assert_eq!(clean_repo_input("github.com/owner/repo"), "owner/repo");
+    assert_eq!(clean_repo_input("https://github.com/owner/repo.git"), "owner/repo");
+    assert_eq!(clean_repo_input("https://github.com/owner/repo/"), "owner/repo");
+    assert_eq!(
+        clean_repo_input("https://github.com/raspberrypi/rpi-imager?tab=readme-ov-file"),
+        "raspberrypi/rpi-imager"
+    );
+    assert_eq!(
+        clean_repo_input("https://github.com/raspberrypi/rpi-imager/?tab=readme-ov-file"),
+        "raspberrypi/rpi-imager"
+    );
+    assert_eq!(
+        clean_repo_input("https://github.com/raspberrypi/rpi-imager.git?tab=readme-ov-file"),
+        "raspberrypi/rpi-imager"
+    );
+    assert_eq!(
+        clean_repo_input("https://github.com/raspberrypi/rpi-imager#readme"),
+        "raspberrypi/rpi-imager"
+    );
+    assert_eq!(
+        clean_repo_input("https://github.com/raspberrypi/rpi-imager?tab=readme-ov-file#install"),
+        "raspberrypi/rpi-imager"
+    );
+    assert_eq!(
+        clean_repo_input("raspberrypi/rpi-imager?tab=readme-ov-file"),
+        "raspberrypi/rpi-imager"
+    );
+    assert_eq!(
+        clean_repo_input("\"https://github.com/raspberrypi/rpi-imager?tab=readme-ov-file\""),
+        "raspberrypi/rpi-imager"
+    );
+}
+
 #[test]
 fn test_normalize_repo_name() {
     let input = "https://github.com/owner/repo.git";
     let normalized = AppConfig::normalize_repo_name(input);
     assert_eq!(normalized, "owner/repo");
+
+    let input_with_query = "https://github.com/raspberrypi/rpi-imager?tab=readme-ov-file";
+    assert_eq!(
+        AppConfig::normalize_repo_name(input_with_query),
+        "raspberrypi/rpi-imager"
+    );
 }
 
 #[test]
 fn test_add_or_update_repo() {
     let mut config = AppConfig::default();
-    let repo = RepoConfig::new("owner/repo", true);
+    let repo = RepoConfig::new("https://github.com/owner/repo?tab=readme-ov-file", true);
     config.add_or_update_repo(repo.clone());
     assert_eq!(config.repositories.len(), 1);
-    assert_eq!(config.repositories[0], repo);
+    assert_eq!(config.repositories[0].name, "owner/repo");
+    assert_eq!(config.repositories[0].include_prereleases, true);
+
+    // Updating existing repo with a URL with query param
+    let repo_updated = RepoConfig::new("https://github.com/owner/repo#readme", false);
+    config.add_or_update_repo(repo_updated);
+    assert_eq!(config.repositories.len(), 1);
+    assert_eq!(config.repositories[0].name, "owner/repo");
+    assert_eq!(config.repositories[0].include_prereleases, false);
 }
 
 #[test]
@@ -86,7 +138,7 @@ fn test_remove_repo() {
     let mut config = AppConfig::default();
     let repo = RepoConfig::new("owner/repo", true);
     config.add_or_update_repo(repo.clone());
-    assert!(config.remove_repo("owner/repo"));
+    assert!(config.remove_repo("https://github.com/owner/repo?tab=readme-ov-file"));
     assert!(config.repositories.is_empty());
 }
 
@@ -95,7 +147,10 @@ fn test_find_repo() {
     let mut config = AppConfig::default();
     let repo = RepoConfig::new("owner/repo", true);
     config.add_or_update_repo(repo.clone());
-    assert_eq!(config.find_repo("owner/repo"), Some(&repo));
+    assert_eq!(
+        config.find_repo("https://github.com/owner/repo?tab=readme-ov-file"),
+        Some(&RepoConfig::new("owner/repo", true))
+    );
 }
 
 #[test]
diff --git a/tests/github_tests.rs b/tests/github_tests.rs
index 7cdadec..16ad8dc 100644
--- a/tests/github_tests.rs
+++ b/tests/github_tests.rs
@@ -64,6 +64,18 @@ fn test_parse_repo_owner_name() {
         parse_repo_owner_name("https://github.com/Heroic-Games-Launcher/HeroicGamesLauncher.git").unwrap(),
         ("Heroic-Games-Launcher", "HeroicGamesLauncher")
     );
+    assert_eq!(
+        parse_repo_owner_name("https://github.com/raspberrypi/rpi-imager?tab=readme-ov-file").unwrap(),
+        ("raspberrypi", "rpi-imager")
+    );
+    assert_eq!(
+        parse_repo_owner_name("https://github.com/raspberrypi/rpi-imager/?tab=readme-ov-file#install").unwrap(),
+        ("raspberrypi", "rpi-imager")
+    );
+    assert_eq!(
+        parse_repo_owner_name("raspberrypi/rpi-imager?tab=readme-ov-file").unwrap(),
+        ("raspberrypi", "rpi-imager")
+    );
 
     assert!(parse_repo_owner_name("invalid_repo").is_err());
     assert!(parse_repo_owner_name("invalid/repo/extra").is_err());