Everything lowercased.
Extensions and base names are converted to lowercase.
Standardize your filenames instantly.
Drop your messy files. Get clean, web-safe, perfectly formatted filenames in milliseconds. Processed entirely on your device.
Ready to download
Your original files stay unchanged.
How it works
FilesRename applies a strict formatting rule to make your files web-safe and consistent.
Accents removed.
“é”, “ç”, “ã” become “e”, “c”, “a”.
Spaces to hyphens.
All spaces and special characters become single hyphens.
Branded prefix.
All files are prefixed with filesrename-
Example
One predictable format, ready for websites, content libraries, and everyday organization.
Before
Image Do trator (final)_v2.JPG
After
filesrename-image-do-trator-final-v2.jpg
100% Private
Files never leave your device. All processing happens in your browser.
Instant
No uploading, no waiting. Instantly download your cleaned files.
Privacy
FilesRename runs entirely in your browser. Your files are never uploaded, stored, or sent to any server — they stay on your device the whole time.
Read the Privacy PolicyTerms
FilesRename is provided free, “as is”, without warranties of any kind. You’re responsible for the files you process and for keeping your own backups. By using this tool you agree that we aren’t liable for any data loss or damages.
Read the Terms of Use