What file types are supported?

Any file type — renaming only changes the filename, not the content.

What is the maximum number of files?

Free plan: up to 50 files. Pro: much higher limits.

Rename multiple files in bulk using patterns, sequences, and metadata. Securely process files in your browser memory with zer

Your files never leave your device. Processed locally. 100% private.

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Complete your task perfectly in just three straightforward steps.

Drop the files you want to rename.

Enter a pattern using variables: {name}, {n}, {date}, {ext}, custom text.

Preview new names then download the renamed files as a ZIP.

Everything you need to know about the Bulk File Renamer.

What variables can I use in the pattern?

{name} = original name, {n} = sequence number, {date} = today, {ext} = extension.

Can I add leading zeros to numbers?

Yes — use {n:03} for 3-digit zero-padded numbers.

Is my file uploaded?

No. Everything runs locally in your browser.

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