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PDF Compressor
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File Renamer
Pick files from your device, set a naming pattern, preview the new names and download everything renamed — without uploading a single byte.
Good to know
Frequently asked questions
Are my files uploaded?
No. Files are read in your browser only to copy them under a new name. Nothing is sent to a server.
Does it rename the originals on my disk?
No. Browsers cannot rename files in place. This tool downloads renamed copies, so your originals stay untouched.
What can I use in the pattern?
Use {n} for the sequence number, {name} for the original name without its extension, and {ext} for the extension. Anything else is kept as literal text.
How do I get them all at once?
Choose Download ZIP. The archive is built in your browser with all renamed files inside, so you avoid multiple download prompts.