File Chunker
Split large files into smaller chunks or reassemble them back. All processing happens in your browser - your files never leave your device.
Split Files
Break files into chunks of any size
Reassemble
Combine chunks back to the original
Private & Secure
Files processed locally, nothing uploaded
Split File into Chunks
Drop a file here, or click to select
Reassemble Chunks
Drop ZIP file here
Drop chunk files here
How to use:
To split a file:
- Drop or select a file to split
- Enter the desired chunk size (e.g., 10 MB)
- Click "Split File" to download a ZIP containing all chunks
To reassemble chunks:
- Upload the ZIP file from splitting, OR select individual chunk files
- Optionally enter an output filename (auto-detected if left empty)
- Click "Reassemble Files" to download the reconstructed file