diff --git a/src/main.rs b/src/main.rs
index 2a360fc..fa19849 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,4 +1,4 @@
-use advent_of_code::template::commands::{all, download, read, scaffold, solve, time};
+use advent_of_code::template::commands::{all, download, input_sync, read, scaffold, solve, time};
 use args::{parse, AppArguments};
 
 #[cfg(feature = "today")]
@@ -36,6 +36,9 @@ mod args {
             day: Option<Day>,
             store: bool,
         },
+        InputSync {
+            replace: bool,
+        },
         #[cfg(feature = "today")]
         Today,
     }
@@ -74,6 +77,9 @@ mod args {
                 submit: args.opt_value_from_str("--submit")?,
                 dhat: args.contains("--dhat"),
             },
+            Some("input-sync") => AppArguments::InputSync {
+                replace: args.contains("--replace"),
+            },
             #[cfg(feature = "today")]
             Some("today") => AppArguments::Today,
             Some(x) => {
@@ -122,6 +128,7 @@ fn main() {
                 dhat,
                 submit,
             } => solve::handle(day, release, dhat, submit),
+            AppArguments::InputSync { replace } => input_sync::handle(replace),
             #[cfg(feature = "today")]
             AppArguments::Today => {
                 match Day::today() {
diff --git a/src/template/aoc_cli.rs b/src/template/aoc_cli.rs
index 2d3300d..b230ec3 100644
--- a/src/template/aoc_cli.rs
+++ b/src/template/aoc_cli.rs
@@ -13,6 +13,41 @@ pub enum AocCommandError {
     BadExitStatus(Output),
 }
 
+pub enum DownloadMode {
+    InputOnly,
+    PuzzleOnly,
+    InputAndPuzzle,
+}
+
+impl DownloadMode {
+    fn modify_args(&self, input_path: &str, puzzle_path: &str) -> Vec<String> {
+        let mut args = vec!["--overwrite".into()];
+        match self {
+            DownloadMode::InputOnly => {
+                args.extend(["--input-only", "--input-file", input_path].iter().map(|s| s.to_string()));
+            }
+            DownloadMode::PuzzleOnly => {
+                args.extend(["--puzzle-only", "--puzzle-file", puzzle_path].iter().map(|s| s.to_string()));
+            }
+            DownloadMode::InputAndPuzzle => {
+                args.extend([
+                    "--input-file", input_path,
+                    "--puzzle-file", puzzle_path
+                ].iter().map(|s| s.to_string()));
+            }
+        }
+        args
+    }
+
+    fn downloads_input(&self) -> bool {
+        matches!(self, DownloadMode::InputOnly | DownloadMode::InputAndPuzzle)
+    }
+
+    fn downloads_puzzle(&self) -> bool {
+        matches!(self, DownloadMode::PuzzleOnly | DownloadMode::InputAndPuzzle)
+    }
+}
+
 impl Display for AocCommandError {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         match self {
@@ -49,26 +84,24 @@ pub fn read(day: Day) -> Result<Output, AocCommandError> {
     call_aoc_cli(&args)
 }
 
-pub fn download(day: Day) -> Result<Output, AocCommandError> {
+pub fn download(day: Day, download_variants: DownloadMode) -> Result<Output, AocCommandError> {
     let input_path = get_input_path(day);
     let puzzle_path = get_puzzle_path(day);
 
-    let args = build_args(
+    let args = &build_args(
         "download",
-        &[
-            "--overwrite".into(),
-            "--input-file".into(),
-            input_path.to_string(),
-            "--puzzle-file".into(),
-            puzzle_path.to_string(),
-        ],
+        &download_variants.modify_args(&input_path, &puzzle_path)[..],
         day,
     );
 
     let output = call_aoc_cli(&args)?;
     println!("---");
-    println!("🎄 Successfully wrote input to \"{}\".", &input_path);
-    println!("🎄 Successfully wrote puzzle to \"{}\".", &puzzle_path);
+    if download_variants.downloads_input() {
+        println!("🎄 Successfully wrote input to \"{}\".", &input_path);
+    }
+    if download_variants.downloads_puzzle() {
+        println!("🎄 Successfully wrote puzzle to \"{}\".", &puzzle_path);
+    }
     Ok(output)
 }
 
diff --git a/src/template/commands/download.rs b/src/template/commands/download.rs
index 9274f05..305df6c 100644
--- a/src/template/commands/download.rs
+++ b/src/template/commands/download.rs
@@ -1,5 +1,6 @@
 use crate::template::{aoc_cli, Day};
 use std::process;
+use crate::template::aoc_cli::DownloadMode;
 
 pub fn handle(day: Day) {
     if aoc_cli::check().is_err() {
@@ -7,7 +8,7 @@ pub fn handle(day: Day) {
         process::exit(1);
     }
 
-    if let Err(e) = aoc_cli::download(day) {
+    if let Err(e) = aoc_cli::download(day, DownloadMode::InputAndPuzzle) {
         eprintln!("failed to call aoc-cli: {e}");
         process::exit(1);
     };
diff --git a/src/template/commands/input_sync.rs b/src/template/commands/input_sync.rs
new file mode 100644
index 0000000..71a68b1
--- /dev/null
+++ b/src/template/commands/input_sync.rs
@@ -0,0 +1,23 @@
+use std::fs::{exists};
+use crate::template::{all_days};
+use crate::template::aoc_cli::{download, DownloadMode};
+
+pub fn handle(replace_existing: bool) {
+    for day in all_days() {
+        let input_path = format!("data/inputs/{day}.txt");
+        let existence = exists(input_path);
+        if existence.is_err() {
+            eprintln!("Unable to check whether input already exists?");
+            eprintln!("Hint: Check for listing permissions");
+            eprintln!("Skipping day: {}", day);
+            continue;
+        }
+        if !replace_existing && existence.unwrap() { continue; }
+        let result = download(day, DownloadMode::InputOnly);
+        if result.is_err() {
+            eprintln!("Unable to download input for day: {}", day);
+            eprintln!("Halting further downloads!");
+            return;
+        }
+    }
+}
diff --git a/src/template/commands/mod.rs b/src/template/commands/mod.rs
index 36be280..8a5f844 100644
--- a/src/template/commands/mod.rs
+++ b/src/template/commands/mod.rs
@@ -4,3 +4,4 @@ pub mod read;
 pub mod scaffold;
 pub mod solve;
 pub mod time;
+pub mod input_sync;