Can this rename my original files directly?
No. Web browsers intentionally restrict direct changes to files on your device. The tool creates a ZIP containing renamed copies while leaving your originals untouched.
Batch file renamer
Great for photos, project assets, datasets and folders that need consistent names.
Choose or drop your filesUp to 300 files · 25 MB each · 300 MB total
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1. Put the files in order
The order determines sequential numbering and numbered folders.
2. Choose the naming rule
Extensions are preserved so the files keep their original format.
3. Organize the ZIP
Keep everything together or create folders automatically inside the downloaded ZIP.
Live rename previewNo files selected
| # | Original | New name / folder |
|---|---|---|
| Choose files to see the rename preview. | ||
Your original files are never renamed or modified. NowConverter creates new names only inside the downloadable ZIP. File contents stay byte-for-byte unchanged.
About this tool
Rename hundreds of files in a consistent order
Choose files, sort them, set a naming rule and review every new filename before downloading. Sequential numbering is useful when photos, scans or project files need to stay in a predictable order.
Organize without changing file contents
NowConverter does not re-encode or alter the selected files. It creates a ZIP with your chosen names and optional folders. The per-file and total-size limits are there to reduce browser memory problems, especially on phones.
Can I rename 100 photos in order?
Yes. Sort by filename or modified date, choose Sequential names, set a base name such as Photo and use three-digit padding to create Photo_001 through Photo_100.
Why download a ZIP?
A ZIP lets the browser deliver hundreds of renamed files in one download without triggering a separate download prompt for every file.
Are the files compressed or changed?
No. This tool stores the original file bytes in the ZIP without recompressing media. Only names and optional folder paths are changed.
Plan a batch rename before committing it
Batch renaming is most useful when a folder contains files that belong together but have inconsistent names: camera exports, scanned receipts, project renders, product photos or delivered audio stems. A predictable pattern makes those files easier to sort, search and hand off. Numbering is especially helpful when the order matters, because alphabetical sorting then follows the sequence you intended.
Before downloading a renamed batch, scan the preview for collisions and extensions. Two source files should not end up with the same final name, and an extension such as .jpg or .wav should normally remain attached unless you intentionally change it. NowConverter creates new downloadable copies; it does not rename files inside the original folder on your device.
Practical checks
- Use a short, descriptive base name instead of dates or labels that only make sense today.
- Add zero-padded numbers when you expect more than nine files so sorting stays consistent.
- Keep an untouched original folder when filenames are part of an archive, client delivery or evidence trail.
Practical walkthrough · batch file renamer
Rename a set of delivery images consistently
Example task: A project folder contains assorted filenames that should follow a clean sequential pattern.
Try this workflow
- Select a small representative batch and choose a descriptive base name.
- Preview the generated filenames and check numbering, extensions and collisions.
- Export the renamed ZIP and inspect its contents before deleting the originals.
What to expect
Renaming changes names in the output package; it does not modify the source file contents.
When to take extra care
A deterministic scheme can still overwrite files if applied manually later; check duplicate names and ordering carefully.