Bit Copier is a free, portable file copying and backup utility developed by UtilityNerd. It is designed to perform accurate bit by bit file transfers, making it suitable for precise backups, secure data duplication, and mirroring operations. By copying data at the bit level, it helps ensure that files, folders, or entire drives are duplicated exactly as they exist on the source.
This tool is especially useful when data integrity is more important than speed, such as when backing up sensitive files or migrating data between storage devices.
Note: Bit Copier is JAVA based software. If Java is not installed on your system, you can use Portable Java to run it without installing Java system wide.
Bit Copier | Free Bit by Bit File Copying Software

Bit Copier Features
This freeware file copying utility includes several features aimed at accuracy and flexibility:
- Bit Level Copying: Copies data bit by bit to ensure exact duplication of files and folders.
- File, Folder, and Drive Support: Can copy individual files, entire directories, or full drives.
- Buffer Speed Control: Allows adjustment of buffer speed when copying between the same or different drives.
- Empty Folder Support: Preserves directory structures by copying empty folders along with files.
- Overwrite Options: Choose whether existing files at the destination should be overwritten.
- Move or Copy Modes: Supports moving files instead of copying when required.
- Lightweight and Portable: Small download size and runs without installation.
Typical Use Cases
Bit Copier is well suited for:
- Creating accurate backups of important data
- Mirroring folders or drives for redundancy
- Secure file transfers where data integrity is critical
- Portable backup operations from USB drives
Specifications and Downloading
- Author: UtilityNerd
- Author's Website: Project Page
- File Size: Approximately 580 KB
- License: Freeware
- Supported OS: Windows
- Rating: 4 Star
- Download: Download Bit Copier
Why Use Bit Copier?
Bit Copier is a solid choice for users who need a lightweight and dependable file backup tool with an emphasis on accuracy. Its bit by bit copying approach helps ensure data consistency, making it useful for safeguarding important files, transferring large datasets, or maintaining exact copies of folders and drives.
If you need a simple, portable file copier that prioritizes precision over advanced automation or speed, this free file copying software fits well into any USB based maintenance or backup toolkit.