Rename Files Online
Free Online Batch File Rename Tool
Rename multiple files in seconds with prefix, suffix, find and replace, case conversion, and sequence numbering. Processing runs locally in your browser, so files stay on your device.
Upload & Preview
Drop files first, then edit names with live preview below.
Drop files to start
You can upload multiple files at once. Rename rules are applied instantly for preview.
Free online file renamer with batch support. Drag and drop files or click to upload.
Rename Operations
0 files · Live preview
Add Prefix
Add Suffix
Find & Replace
Case Conversion
Why Use This File Rename Tool?
Without this tool, you usually select files, right-click, and rename one by one. That is slow for large batches. Here, you simply upload, rename, and download in minutes.
Private local processing
Renaming runs in your browser with no server upload.
Batch rename support
Rename many files in one run instead of repeating manual right-click rename steps.
Find and replace text
Update repeated words or patterns across all file names quickly.
Case conversion tools
Switch names to UPPERCASE, lowercase, or Title Case in one click.
Sequential numbering
Add ordered numbers with custom start value, padding, and position.
Undo and live preview
Preview changes instantly and undo or reset operations before download.
How to Rename Files Online
Rename one file or batch rename many in four quick steps.
Upload your files
Drag and drop files into the uploader, or click to select files from your device.
Choose rename rules
Add prefix or suffix, run find and replace, apply case conversion, or add sequence numbers.
Review live preview
Check renamed results instantly and fix any conflicts before exporting.
Download renamed files
Download files one by one or export all renamed files as a ZIP package.
File Rename FAQ
Quick answers about privacy, preview, naming rules, extensions, and tool limits.
Can I batch rename multiple files and combine rules?
Yes. Upload multiple files, then apply one or more rules like prefix, suffix, find and replace, case conversion, numbering, and cleanup in sequence.
Can I preview all renamed results before download?
Yes. This tool shows a live preview for every file name before you export.
Will this tool change my original files?
No. The tool creates renamed copies for download. Your original local files are not modified.
Are my files uploaded to your server?
No. Renaming runs locally in your browser, so your files stay on your device.
How does sequential numbering work?
You can set a start number, choose digit padding (for example 001), and place numbers before or after the file name.
What happens if two files end up with the same name?
Name conflicts are auto-resolved. The tool appends a numeric suffix to keep each output file name unique.
Can I keep the original file extensions?
Yes. The extension type is preserved, and extensions are normalized to lowercase for consistency.
Can I undo a rename operation?
Yes. You can undo the last applied change or reset all names before downloading.
What does Smart Cleanup rename?
Smart Cleanup removes common download noise such as "(1)", "copy", extra symbols, and repeated separators, then normalizes spacing.
Can I download renamed files individually or as ZIP?
Yes. You can download files one by one, or export them together as a ZIP package.
What file types are supported?
You can rename most file types selected from your device. The tool focuses on file names and does not alter file content.
Can I rename folders and subfolders?
No. This tool renames uploaded files only. Folder and subfolder rename workflows are not supported on this page.
Do you support regex or advanced pattern matching?
Not currently. Find & Replace uses plain text matching, plus prefix/suffix, case conversion, numbering, and smart cleanup rules.
Is Find & Replace case-sensitive?
Yes. Find & Replace matches exact text, including uppercase and lowercase letters.
Can I change file extensions with this tool?
No. This page is designed to rename the base file name. Extension editing is not provided as a separate operation.
Is there a file size or file count limit?
There is no fixed hard limit set on this page, but speed and stability depend on your browser and device memory for very large batches.
What happens if I add the same file twice?
Duplicate uploads are detected and skipped to avoid repeated entries in the same batch.
Start Renaming Files Now
Rename files online for free with private local processing and batch download support.