Stop renaming files one by one.
Drop your files, set your rules, and rename them all at once — right in your browser. No uploads, no account, completely free.
Drop your files here
Supports any file type · Multiple files at once
How it works
Drop your files
Drag and drop any files into the zone above, or click to browse. Supports any file type — images, documents, videos, and more.
Build your rules
Add one or more rename rules: find & replace, change case, add prefixes or suffixes, remove characters, auto-number, or change extensions.
Download renamed files
Preview every change live before downloading. Get all your renamed files in a single ZIP — instantly, with no server involved.
Rename rules
Find & Replace
Replace any text or pattern in filenames, with full support for regular expressions.
Change Case
Convert to UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case, and more.
Add Text
Prepend or append a prefix or suffix, or insert text before or after a specific match.
Remove Characters
Strip characters from the start or end of filenames to remove unwanted prefixes or suffixes.
Auto Number
Number files sequentially with configurable start value, step, digit padding, and position.
Change Extension
Normalize extensions to lowercase or uppercase, or replace them with a different extension.
No uploads
All renaming runs entirely in your browser. Your files never leave your device.
No account needed
Open the page and start renaming immediately. No sign-up, no login required.
Free forever
FileForg is completely free with no limits on file count or rule complexity.