ExtSwap

Bulk-change file extensions across an entire folder

Download .exe

1.4 MB·Windows 10 / 11·64-bit

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About this tool

ExtSwap lets you change the file extension of hundreds of files at once using simple rules. Preview all renames before committing and support recursive folder traversal with wildcard patterns.

Key features

✓Bulk extension change for any file type
✓Wildcard pattern matching
✓Live rename preview before applying
✓Recursive subfolder processing
✓Undo the last rename operation
✓Filter source files by current extension

✓Windows 10 / 11 (64-bit)

✓No installation required — portable .exe

✓Works fully offline after download

✓License key required to unlock after download

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