diff --git a/psoutils/src/quest/bin.rs b/psoutils/src/quest/bin.rs
index 033cc69..83c9f72 100644
--- a/psoutils/src/quest/bin.rs
+++ b/psoutils/src/quest/bin.rs
@@ -1,5 +1,5 @@
 use std::fs::File;
-use std::io::{BufReader, Cursor, Read};
+use std::io::{BufReader, Cursor, Read, Write};
 use std::path::Path;
 
 use byteorder::{LittleEndian, ReadBytesExt, WriteBytesExt};
@@ -264,6 +264,19 @@ impl QuestBin {
         Ok(())
     }
 
+    pub fn to_compressed_file(&self, path: &Path) -> Result<(), QuestBinError> {
+        let compressed_bytes = self.to_compressed_bytes()?;
+        let mut file = File::create(path)?;
+        file.write_all(compressed_bytes.as_ref())?;
+        Ok(())
+    }
+
+    pub fn to_uncompressed_file(&self, path: &Path) -> Result<(), QuestBinError> {
+        let mut file = File::create(path)?;
+        self.write_uncompressed_bytes(&mut file)?;
+        Ok(())
+    }
+
     pub fn to_uncompressed_bytes(&self) -> Result<Box<[u8]>, QuestBinError> {
         let mut buffer = Cursor::new(Vec::<u8>::new());
         self.write_uncompressed_bytes(&mut buffer)?;
@@ -284,6 +297,8 @@ impl QuestBin {
 
 #[cfg(test)]
 pub mod tests {
+    use tempfile::TempDir;
+
     use super::*;
 
     pub fn validate_quest_58_bin(bin: &QuestBin) {
@@ -340,6 +355,18 @@ pub mod tests {
         Ok(())
     }
 
+    #[test]
+    pub fn write_compressed_quest_58_bin() -> Result<(), QuestBinError> {
+        let data = include_bytes!("../../test-assets/q058-ret-gc.bin");
+        let bin = QuestBin::from_compressed_bytes(data)?;
+        let tmp_dir = TempDir::new()?;
+        let bin_path = tmp_dir.path().join("quest58.bin");
+        bin.to_compressed_file(&bin_path)?;
+        let bin = QuestBin::from_compressed_file(&bin_path)?;
+        validate_quest_58_bin(&bin);
+        Ok(())
+    }
+
     #[test]
     pub fn read_uncompressed_quest_58_bin() -> Result<(), QuestBinError> {
         let path = Path::new("test-assets/q058-ret-gc.uncompressed.bin");
@@ -348,6 +375,18 @@ pub mod tests {
         Ok(())
     }
 
+    #[test]
+    pub fn write_uncompressed_quest_58_bin() -> Result<(), QuestBinError> {
+        let data = include_bytes!("../../test-assets/q058-ret-gc.bin");
+        let bin = QuestBin::from_compressed_bytes(data)?;
+        let tmp_dir = TempDir::new()?;
+        let bin_path = tmp_dir.path().join("quest58.bin");
+        bin.to_uncompressed_file(&bin_path)?;
+        let bin = QuestBin::from_uncompressed_file(&bin_path)?;
+        validate_quest_58_bin(&bin);
+        Ok(())
+    }
+
     #[test]
     pub fn read_compressed_quest_118_bin() -> Result<(), QuestBinError> {
         let path = Path::new("test-assets/q118-vr-gc.bin");
@@ -356,6 +395,18 @@ pub mod tests {
         Ok(())
     }
 
+    #[test]
+    pub fn write_compressed_quest_118_bin() -> Result<(), QuestBinError> {
+        let data = include_bytes!("../../test-assets/q118-vr-gc.bin");
+        let bin = QuestBin::from_compressed_bytes(data)?;
+        let tmp_dir = TempDir::new()?;
+        let bin_path = tmp_dir.path().join("quest118.bin");
+        bin.to_compressed_file(&bin_path)?;
+        let bin = QuestBin::from_compressed_file(&bin_path)?;
+        validate_quest_118_bin(&bin);
+        Ok(())
+    }
+
     #[test]
     pub fn read_uncompressed_quest_118_bin() -> Result<(), QuestBinError> {
         let path = Path::new("test-assets/q118-vr-gc.uncompressed.bin");
@@ -363,4 +414,16 @@ pub mod tests {
         validate_quest_118_bin(&bin);
         Ok(())
     }
+
+    #[test]
+    pub fn write_uncompressed_quest_118_bin() -> Result<(), QuestBinError> {
+        let data = include_bytes!("../../test-assets/q118-vr-gc.bin");
+        let bin = QuestBin::from_compressed_bytes(data)?;
+        let tmp_dir = TempDir::new()?;
+        let bin_path = tmp_dir.path().join("quest118.bin");
+        bin.to_uncompressed_file(&bin_path)?;
+        let bin = QuestBin::from_uncompressed_file(&bin_path)?;
+        validate_quest_118_bin(&bin);
+        Ok(())
+    }
 }
diff --git a/psoutils/src/quest/dat.rs b/psoutils/src/quest/dat.rs
index fdd4618..a3233c8 100644
--- a/psoutils/src/quest/dat.rs
+++ b/psoutils/src/quest/dat.rs
@@ -1,6 +1,6 @@
 use std::fmt::{Display, Formatter};
 use std::fs::File;
-use std::io::{BufReader, Cursor, Read};
+use std::io::{BufReader, Cursor, Read, Write};
 use std::path::Path;
 
 use byteorder::{LittleEndian, ReadBytesExt, WriteBytesExt};
@@ -255,6 +255,19 @@ impl QuestDat {
         Ok(())
     }
 
+    pub fn to_compressed_file(&self, path: &Path) -> Result<(), QuestDatError> {
+        let compressed_bytes = self.to_compressed_bytes()?;
+        let mut file = File::create(path)?;
+        file.write_all(compressed_bytes.as_ref())?;
+        Ok(())
+    }
+
+    pub fn to_uncompressed_file(&self, path: &Path) -> Result<(), QuestDatError> {
+        let mut file = File::create(path)?;
+        self.write_uncompressed_bytes(&mut file)?;
+        Ok(())
+    }
+
     pub fn to_uncompressed_bytes(&self) -> Result<Box<[u8]>, QuestDatError> {
         let mut buffer = Cursor::new(Vec::<u8>::new());
         self.write_uncompressed_bytes(&mut buffer)?;
@@ -276,6 +289,8 @@ impl QuestDat {
 
 #[cfg(test)]
 pub mod tests {
+    use tempfile::TempDir;
+
     use super::*;
 
     pub fn validate_quest_58_dat(dat: &QuestDat) {
@@ -523,6 +538,18 @@ pub mod tests {
         Ok(())
     }
 
+    #[test]
+    pub fn write_compressed_quest_58_dat() -> Result<(), QuestDatError> {
+        let data = include_bytes!("../../test-assets/q058-ret-gc.dat");
+        let dat = QuestDat::from_compressed_bytes(data)?;
+        let tmp_dir = TempDir::new()?;
+        let dat_path = tmp_dir.path().join("quest58.dat");
+        dat.to_compressed_file(&dat_path)?;
+        let dat = QuestDat::from_compressed_file(&dat_path)?;
+        validate_quest_58_dat(&dat);
+        Ok(())
+    }
+
     #[test]
     pub fn read_uncompressed_quest_58_dat() -> Result<(), QuestDatError> {
         let path = Path::new("test-assets/q058-ret-gc.uncompressed.dat");
@@ -531,6 +558,18 @@ pub mod tests {
         Ok(())
     }
 
+    #[test]
+    pub fn write_uncompressed_quest_58_dat() -> Result<(), QuestDatError> {
+        let data = include_bytes!("../../test-assets/q058-ret-gc.dat");
+        let dat = QuestDat::from_compressed_bytes(data)?;
+        let tmp_dir = TempDir::new()?;
+        let dat_path = tmp_dir.path().join("quest58.dat");
+        dat.to_uncompressed_file(&dat_path)?;
+        let dat = QuestDat::from_uncompressed_file(&dat_path)?;
+        validate_quest_58_dat(&dat);
+        Ok(())
+    }
+
     #[test]
     pub fn read_compressed_quest_118_dat() -> Result<(), QuestDatError> {
         let path = Path::new("test-assets/q118-vr-gc.dat");
@@ -539,6 +578,18 @@ pub mod tests {
         Ok(())
     }
 
+    #[test]
+    pub fn write_compressed_quest_118_dat() -> Result<(), QuestDatError> {
+        let data = include_bytes!("../../test-assets/q118-vr-gc.dat");
+        let dat = QuestDat::from_compressed_bytes(data)?;
+        let tmp_dir = TempDir::new()?;
+        let dat_path = tmp_dir.path().join("quest118.dat");
+        dat.to_compressed_file(&dat_path)?;
+        let dat = QuestDat::from_compressed_file(&dat_path)?;
+        validate_quest_118_dat(&dat);
+        Ok(())
+    }
+
     #[test]
     pub fn read_uncompressed_quest_118_dat() -> Result<(), QuestDatError> {
         let path = Path::new("test-assets/q118-vr-gc.uncompressed.dat");
@@ -546,4 +597,16 @@ pub mod tests {
         validate_quest_118_dat(&dat);
         Ok(())
     }
+
+    #[test]
+    pub fn write_uncompressed_quest_118_dat() -> Result<(), QuestDatError> {
+        let data = include_bytes!("../../test-assets/q118-vr-gc.dat");
+        let dat = QuestDat::from_compressed_bytes(data)?;
+        let tmp_dir = TempDir::new()?;
+        let dat_path = tmp_dir.path().join("quest118.dat");
+        dat.to_uncompressed_file(&dat_path)?;
+        let dat = QuestDat::from_uncompressed_file(&dat_path)?;
+        validate_quest_118_dat(&dat);
+        Ok(())
+    }
 }
diff --git a/psoutils/src/quest/qst.rs b/psoutils/src/quest/qst.rs
index ca86cff..89c459d 100644
--- a/psoutils/src/quest/qst.rs
+++ b/psoutils/src/quest/qst.rs
@@ -372,6 +372,12 @@ impl QuestQst {
         Ok(())
     }
 
+    pub fn to_file(&self, path: &Path) -> Result<(), QuestQstError> {
+        let mut file = File::create(path)?;
+        self.write_bytes(&mut file)?;
+        Ok(())
+    }
+
     pub fn to_bytes(&self) -> Result<Box<[u8]>, QuestQstError> {
         let mut buffer = Cursor::new(Vec::<u8>::new());
         self.write_bytes(&mut buffer)?;
@@ -405,6 +411,8 @@ impl QuestQst {
 
 #[cfg(test)]
 mod tests {
+    use tempfile::TempDir;
+
     use crate::quest::bin::tests::{validate_quest_118_bin, validate_quest_58_bin};
     use crate::quest::dat::tests::{validate_quest_118_dat, validate_quest_58_dat};
 
@@ -543,6 +551,30 @@ mod tests {
         Ok(())
     }
 
+    #[test]
+    pub fn write_quest_58_qst_to_file() -> Result<(), QuestQstError> {
+        let online_data = include_bytes!("../../test-assets/q058-ret-gc.online.qst");
+        let offline_data = include_bytes!("../../test-assets/q058-ret-gc.offline.qst");
+
+        let tmp_dir = TempDir::new()?;
+
+        let mut reader = Cursor::new(online_data);
+        let qst = QuestQst::from_bytes(&mut reader)?;
+        let qst_path = tmp_dir.path().join("quest58.online.qst");
+        qst.to_file(&qst_path)?;
+        let qst = QuestQst::from_file(&qst_path)?;
+        validate_quest_58_qst(&qst, 1438, 15097, true)?;
+
+        let mut reader = Cursor::new(offline_data);
+        let qst = QuestQst::from_bytes(&mut reader)?;
+        let qst_path = tmp_dir.path().join("quest58.offline.qst");
+        qst.to_file(&qst_path)?;
+        let qst = QuestQst::from_file(&qst_path)?;
+        validate_quest_58_qst(&qst, 1571, 15105, false)?;
+
+        Ok(())
+    }
+
     #[test]
     pub fn read_quest_118_qst_from_file() -> Result<(), QuestQstError> {
         let qst = QuestQst::from_file(Path::new("test-assets/q118-vr-gc.online.qst"))?;
@@ -554,6 +586,30 @@ mod tests {
         Ok(())
     }
 
+    #[test]
+    pub fn write_quest_118_qst_to_file() -> Result<(), QuestQstError> {
+        let online_data = include_bytes!("../../test-assets/q118-vr-gc.online.qst");
+        let offline_data = include_bytes!("../../test-assets/q118-vr-gc.offline.qst");
+
+        let tmp_dir = TempDir::new()?;
+
+        let mut reader = Cursor::new(online_data);
+        let qst = QuestQst::from_bytes(&mut reader)?;
+        let qst_path = tmp_dir.path().join("quest118.online.qst");
+        qst.to_file(&qst_path)?;
+        let qst = QuestQst::from_file(&qst_path)?;
+        validate_quest_118_qst(&qst, 14208, 11802, true)?;
+
+        let mut reader = Cursor::new(offline_data);
+        let qst = QuestQst::from_bytes(&mut reader)?;
+        let qst_path = tmp_dir.path().join("quest118.offline.qst");
+        qst.to_file(&qst_path)?;
+        let qst = QuestQst::from_file(&qst_path)?;
+        validate_quest_118_qst(&qst, 14801, 11810, false)?;
+
+        Ok(())
+    }
+
     #[test]
     pub fn create_qst_from_quest_58_bindat_files() -> Result<(), QuestQstError> {
         let mut bin = QuestBin::from_compressed_file(Path::new("test-assets/q058-ret-gc.bin"))?;