diff --git a/tools/src/fileutils/copy.go b/tools/src/fileutils/copy.go
new file mode 100644
index 0000000..0170c4f
--- /dev/null
+++ b/tools/src/fileutils/copy.go
@@ -0,0 +1,106 @@
+// Copyright 2024 The Dawn & Tint Authors
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice, this
+//    list of conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice,
+//    this list of conditions and the following disclaimer in the documentation
+//    and/or other materials provided with the distribution.
+//
+// 3. Neither the name of the copyright holder nor the names of its
+//    contributors may be used to endorse or promote products derived from
+//    this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+package fileutils
+
+import (
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+)
+
+// CopyFile copies the file from 'src' to 'dst' replacing the existing file at 'dst' if it already
+// exists.
+func CopyFile(dst, src string) error {
+	if !IsFile(src) {
+		return fmt.Errorf("'%v' is not a file", src)
+	}
+
+	dstDir := filepath.Dir(dst)
+	if !IsDir(dstDir) {
+		if err := os.MkdirAll(dstDir, 0777); err != nil {
+			return err
+		}
+	}
+
+	s, err := os.Open(src)
+	if err != nil {
+		return err
+	}
+	defer s.Close()
+
+	info, err := s.Stat()
+	if err != nil {
+		return err
+	}
+
+	d, err := os.OpenFile(dst, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0666|info.Mode()&0777)
+	if err != nil {
+		return err
+	}
+	defer d.Close()
+
+	_, err = io.Copy(d, s)
+	return err
+}
+
+// CopyDir copies the directory and all its content from 'src' to 'dst' replacing the existing
+// directory at 'dst' if it already exists.
+func CopyDir(dst, src string) error {
+	if !IsDir(src) {
+		return fmt.Errorf("'%v' is not a directory", src)
+	}
+	if IsFile(dst) {
+		return fmt.Errorf("'%v' is a file", dst)
+	}
+
+	if IsDir(dst) {
+		if err := os.RemoveAll(dst); err != nil {
+			return err
+		}
+	}
+
+	return filepath.Walk(src, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+
+		rel, err := filepath.Rel(src, path)
+		if err != nil {
+			return err
+		}
+
+		if !info.IsDir() {
+			if err := CopyFile(filepath.Join(dst, rel), path); err != nil {
+				return err
+			}
+		}
+
+		return nil
+	})
+}