Is this batch rename tool free?

Yes, completely free with no signup and no usage limits.

Does it actually rename my files?

No — this is a preview tool. It shows you what the names would look like after renaming so you can verify before using your OS or a script to perform the actual rename.

Does it work on mobile?

Yes. The tool is mobile-first and works on iPhone Safari and Android Chrome.

Batch Rename Preview — Find & Replace, Prefix, Suffix, Sequence

Batch Rename Preview

Paste your filenames, choose a rename strategy, and preview the results before applying them with your OS or a script.

100% client-side · preview only, no files touched

Filenames (one per line)

Rename mode

Find

Replace with

How to use

Paste your filenames into the textarea, one per line.
Select a rename mode: find & replace, prefix, suffix, or sequential numbering.
Click Preview Rename to see the before/after table.

Related file tools

File Extension List — identify file types before renaming
File Size Converter — convert between file size units
CSV to JSON — convert data files after renaming

よくある質問

Is this batch rename tool free?: Yes, completely free with no signup and no usage limits.
Does it actually rename my files?: No — this is a preview tool. It shows you what the names would look like after renaming so you can verify before using your OS or a script to perform the actual rename.
Does it work on mobile?: Yes. The tool is mobile-first and works on iPhone Safari and Android Chrome.