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GUIDE · RENAME PDFS

How to rename PDF files automatically on a Mac

Scanners, phones, and browsers name PDFs things like scan0001.pdf, document(3).pdf, and Untitled.pdf. Here’s how to rename them on a Mac: one at a time, many at once, by rules, and by what each document actually says.

Why PDFs end up with useless names

The name comes from whatever made the file: a scanner counts (scan0001.pdf), a browser keeps what the website sent (document(3).pdf, download.pdf), and an app saves as Untitled.pdf. None of them looks inside. A useful name says what the document is, who it’s from, and when, such as Vodafone invoice September 2026.pdf. For a pattern that sorts and searches well, see a file naming convention that sticks.

Rename one PDF

  • In Finder: select the file, press Return, type the new name, and press Return again.
  • In Preview: with the PDF open, click its name in the title bar and type a new one.

Rename many PDFs at once in Finder

Select the files, Control-click, and choose Rename. Finder offers three ways:

  • Replace Text: for example, replace scan with Tax 2026 .
  • Add Text: put the same words before or after every name.
  • Format: one name for all of them, followed by a number.

This is quick when the files belong together, like the pages of one project. It can’t give each file its own name from its contents. For dates, numbering, and case changes with a preview, try our free bulk rename tool.

Rename new PDFs automatically by rules

  • Automator Folder Action: in Automator, make a new Folder Action, choose the folder (such as Downloads), and add Rename Finder Items. It can add the date, add text, or number each new file as it lands.
  • Shortcuts: a shortcut with the Rename File action can do the same for files you pass to it.
  • A rules app such as Hazel matches files by their attributes, including the text inside PDFs, and renames them by patterns you build, usually one rule per kind of document. See how Hazel compares with Lisorto.

Rules work when your PDFs follow a pattern you can describe, like statements from one bank. They struggle with a mixed folder, where every bill, ticket, and contract would need its own rule.

Rename PDFs by what they say, with Lisorto

Lisorto reads each PDF in the folder you choose, scans included, on your Mac. It proposes a name made only from words and dates the document shows, and a Space for it: Bills and receipts, Travel, Contracts and forms, Work, and more.

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  • You approve every name. Change any of them or skip a file first. Nothing moves until you click, and Undo brings the old names back.
  • New PDFs too. With AutoPilot on, new PDFs are filed the moment they land, and new scans are named after what they show. Files it isn’t sure about wait for you.
  • Found later by any word inside. Search from the menu bar by a company, an amount, or an invoice number. See how to search scanned PDFs.
  • What you need. Clear names are part of Lisorto Pro. They run on your Mac on Apple Silicon with macOS 26 and Apple Intelligence; on other Macs, Cloud AI can do them with your consent. The 7-day trial includes them, with no card and no account.

More examples: Lisorto for scans and unnamed documents.

FAQ

Questions

Can a Mac rename PDFs automatically by itself?

Not by what they say. Finder renames many files at once by replacing text, adding text, or numbering them, and Automator or Shortcuts can rename new files by rules such as adding the date. Naming a PDF after its contents needs an app that reads it, such as Lisorto.

How do I rename many PDFs at once on a Mac?

Select them in Finder, Control-click, and choose Rename. You can replace text, add text before or after the name, or give them all one name followed by a number.

Does Lisorto upload my PDFs to name them?

No. On a Mac with Apple Intelligence, it reads and names them on your Mac. On other Macs, Cloud AI can suggest names if you turn it on; it is off by default and sends only a short excerpt of an unclear document, never the file.

Does it work with scanned PDFs?

Yes. Image-only PDFs from a phone or a scanner are read on your Mac with Apple’s text recognition, then named from what they say.

What if I don’t like a suggested name?

Change it or skip the file before you approve. After the move, Undo brings the old name back.

Clear the pile.
Keep your weekend.

Free for Mac, no account needed. Your first 7 days include Lisorto Pro, with AutoPilot keeping your folder tidy in the background. After that, tidying up by hand stays free, and Pro is $29 a year, or pay once from $29.

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