Rename many files at once with patterns, counters, and collision checks.
Tip: use samples, upload, copy, download, and send-to actions inside the workspace where available.
Batch File Renamer is a free, browser-based tool that helps you get the job done quickly. Rename many files at once with patterns, counters, and collision checks. It's built for speed and privacy: Everything runs locally in your browser — your data is never uploaded to a server. No sign-up, no installs, and no daily limits.
Use this tool as the focused step in a larger browser-based workflow.
Review the preview, copy or download the result, and keep everything local in your browser.
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Open tool
{name}original name, without the extension{ext}the extension (added automatically if you omit it){n}counter, padded to the width below{n:3}counter padded to exactly 3 digits{index}position in the batch, from 1{parent}name of the containing folder100% in your browser — files never leave your device.