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Bulk File Renamer

Rename batches with a complete preview and safe collisions handling.

or drop files here

Files stay on this device. Nothing is uploaded.

  1. 1

    Choose files

    Pick files from your device or drop them on the page. Type is checked from the file’s bytes, not its name.

  2. 2

    Set options

    Set a pattern such as {stem}-{index:3}.

  3. 3

    Save files

    Processing happens in this tab. You download a new copy; your originals are never changed.

More Files tools

Continue with

ZIP Creator and Archive ExplorerFile Hash and Checksum VerifierDuplicate File FinderFile Type and Magic Byte Inspector
How to use this tool

How it works

  1. Choose files. Originals stay untouched.
  2. Set a pattern such as {stem}-{index:3}.
  3. Process to preview names and download renamed copies.

Files stay in this tab. No upload.

Collisions get a suffix. The tool never overwrites the source path.

Supported inputs and outputs

Any local files. Output is copies with new names.

Example

a.txt with {stem}-{index:3} becomes a-001.txt.

Questions and answers

Does this rename on disk in place?

No. You download copies.

Related: ZIP Creator and Archive ExplorerFile Hash and Checksum VerifierFolder Inventory and Manifest Maker