How do I rename many files at once?

Drop the files in, apply renaming rules like find-and-replace or sequential numbering, preview the results, and download the renamed files.

Can I preview names before renaming?

Yes. The new names are shown in a live preview so you can confirm them before downloading.

Are my files uploaded?

No. Renaming is done locally in your browser.

All tools/Data Inspector

Local Bulk File Renamer & Organizer

Runs locally

Rename and organize many files at once in your browser — add prefixes, replace text, number sequentially, or change case, with a live preview before you commit. No upload, no installation; your files stay on your machine.

How to bulk rename files

1Drop in the files you want to rename.
2Apply rules — find and replace, prefix/suffix, sequential numbering, case change.
3Preview the new names and download the renamed files.

Consistent names in one pass

Renaming dozens of files by hand is slow and error-prone. Applying a rule across the whole batch — like numbering photos sequentially or stripping a common prefix — gives you clean, consistent names in one pass, with a preview so you can check the result before anything changes.

Frequently asked questions

How do I rename many files at once?: Drop the files in, apply renaming rules like find-and-replace or sequential numbering, preview the results, and download the renamed files.
Can I preview names before renaming?: Yes. The new names are shown in a live preview so you can confirm them before downloading.
Are my files uploaded?: No. Renaming is done locally in your browser.