Batch rename and pack files
Give a batch of files consistent numbered names, check the result before committing, and download them together as one ZIP.
Upload and process
Runs locallyHow to use it
- Upload the files to process — images and documents both work, many at a time.
- Enter a prefix (for example product) and set the starting number and digit count (3 digits gives 001).
- Choose the ordering: selection order, filename, file size or modified time.
- The preview lists every new filename — check it before you commit.
- Click rename and download to get a ZIP containing the renamed files.
When this tool helps
Coursework, marketplace listings and competitions almost always demand consistent filenames such as name plus index. On a phone that means renaming one by one; on a desktop it means a command line. Here the rule is explicit and the outcome is previewed before anything is packaged, so a mistake does not mean starting over. Because files never leave the browser, work documents and application material are fine to process too.
FAQ
Are my original files modified?
No. The files inside the ZIP carry the new names; the originals on your device are untouched.
How does the digit count work?
It controls zero padding. Two digits gives 01, 02; three gives 001, 002. Consistent width is what keeps filename sorting sane.
Are extensions kept?
Yes by default, and the option can be switched off. Keeping them is recommended, or the system may not recognise the file type.
Will Chinese filenames break?
No. The ZIP format used marks filenames as UTF-8, which Windows 10 and later along with macOS display correctly.
How many files can it handle?
Around 200 files and 2GB in total is a comfortable ceiling, limited by browser memory.
Are files uploaded?
No. Renaming and packaging happen in your browser.
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