File Joiner
Concatenate multiple files (binary-safe) in the order you specify.
How to Use
- Drop files in the order you want them.
- Drag rows to reorder.
- Download the joined result.
Files (ordered)
Drop files
In order · drag to reorder
Summary
Notes
Order
Matters · drag rows
Binary
Preserved byte-for-byte
Delimiter
None added
CSV mode
Drops repeat header
Memory
Limited by RAM
Privacy
Local
Frequently Asked Questions
Which formats?
Great for splitting/reassembling archives, video segments from a splitter, or concatenating CSVs.
CSV headers?
Check "Skip first line after first file" to drop repeat headers.
Common Use Cases
Split archive
Reassemble .part files.
Stitch CSVs
One big file from many.
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