NameSake app icon

Bulk file renamer

Rename a whole folder in the time it takes to rename one file.

Set your rules once, watch every new name appear next to the old one, then run it — on iPhone, iPad, or Mac.

Coming soon to the App Store iPhone · iPad · Mac — requires iOS 26, iPadOS 26, or macOS 26

Live preview, before you run anything

DSC_0412.jpg → Summer Trip 001.jpg
DSC_0415.jpg → Summer Trip 002.jpg
DSC_0418.jpg → Summer Trip 003.jpg
NameSake's “What Do You Want to Change?” sheet on iPhone, showing Whole Name, Beginning, End, and Beginning and End options.
iPhone
The same “What Do You Want to Change?” options on Mac.
Mac

Change the whole name, or just the ends.

Pick Whole Name, Beginning, End, or Beginning and End — NameSake only ever touches the part you tell it to.

NameSake's sequence numbering rules on iPhone, with a live preview of eight renamed files.
iPhone
The same rules and live preview on Mac, rules on the left and the renamed-file list on the right.
Mac

Names and numbers, exactly your way.

Set your rules and watch the preview update instantly — every new name shown next to the one it's replacing, before anything changes.

NameSake's start screen on iPhone after a rename, with an Undo option in the Recent list and in a confirmation toast.
iPhone
The same Recent list and Undo option on Mac.
Mac

Changed your mind? Undo, even later.

Every rename can be undone — right after running it, or later from Recent, even after closing the app entirely.

Folds flat. Opens wide.

NameSake adapts to iPhone Duo without missing a beat — a quick list when it's closed, the full rule editor and live preview side by side the moment you open it.

NameSake on iPhone Duo, closed: a single-column list of renamed files with Summer Trip 001 through 008.
Folded — quick list
NameSake on iPhone Duo, open: rules and base name on the left, the live renamed-file preview on the right.
Unfolded — rules and preview, side by side

Nothing leaves your device.

NameSake doesn't collect any information about you. No accounts, no analytics, no tracking — and it doesn't connect to the internet at all.

Read the full privacy policy →