{"appstoreID":1175416599,"title":"Mass Rename: File Batch Rename","subtitle":"Change file names easily","developerName":"Georgios Trigonakis","description":"Mass Rename — rename, number, and organize thousands of files in seconds.\n\nStop renaming files one by one. Mass Rename lets you build a renaming rule once, preview every change live, and apply it to your whole folder in a single click — from a handful of photos to tens of thousands of files.\n\nNEW IN 2.0\nCompletely rebuilt, with on-device AI Smart Rename, reusable renamer workflows, folders to keep them organized, and a live preview that stays fast at massive scale.\n\nAI SMART RENAME — ON-DEVICE & PRIVATE\nLet your Mac read what's actually inside a file and give it a clear, descriptive name. \"Untitled.pdf\" becomes \"Acme Corporation Invoice.\" \"scan_0042.pdf\" becomes \"Residential Lease Agreement.\" It all runs on-device — nothing is ever uploaded.\n(Requires macOS 26 with Apple Intelligence.)\n\nBUILD REUSABLE WORKFLOWS\nChain simple steps into powerful renamers you can save, organize into folders, and reuse anytime:\n• Custom Format — mix your own text with tokens: file name, parent folder, sequence numbers, dates, and metadata\n• Find & Replace — plain text or full regular expressions\n• Add a prefix or suffix, set or change the extension\n• Change case — UPPERCASE, lowercase, Title Case, Sentence case\n• Insert or remove characters at any position\n• Sequential numbering with custom start, step, and digits\n\nRENAME BY REAL FILE INFO\n• Photos — by dimensions, camera model, or date taken\n• Music — by title, artist, album, track number, and year\n• Dates — created, modified, or added, in the format you choose\n\nPREVIEW EVERYTHING. UNDO ANYTHING.\nSee the old name and new name side by side for every file before you commit, with automatic conflict handling so nothing gets overwritten. Changed your mind? Undo the entire batch in one click.\n\nRENAME FILES AND FOLDERS\nRename folders too — not just the files inside them. When you add items, choose to include files, folders, or both.\n\nBUILT FOR BIG JOBS\nDrop in an entire folder — even tens of thousands of files — and Mass Rename stays smooth and responsive, filling in the preview as you go.\n\nPerfect for photographers, designers, developers, music libraries, cluttered Downloads folders, scanned documents, and anyone tired of messy filenames.\n\nRename smarter — with Mass Rename.","bundleID":"com.gtrigonakis.massrename","appiconURL":"https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/cd/39/76/cd397608-d3a7-6139-5c28-6b344407d7dd/Placeholder.mill/1024x1024w.webp","formattedPrice":"$6.99","appUpdated":"2026-09-24T21:26:47.000Z","appReleased":"2016-11-18T11:39:15.000Z","version":"2.1","platforms":["mac"],"minOS":{"mac":"Requires macOS 13.0 or later."},"languages":["EN"],"size":"3.9 MB","category":"Utilities","developerWebsite":"https://www.gtrigonakis.com/mass-rename","screenshots":[{"platform":"mac","url":"https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/f7/93/2b/f7932ba4-28ce-a55b-7da3-e09e74ee5942/2854451F-2974-43BA-842C-F1B69751FAD4-appstore_textWdsfdddfdfddsdofdsdfdfsdsrdssfdfdfrdfdfsefdfwdrsddsdfewekdsdsddsdow_msdsddenu.png.png.png/2880x1800w.webp"},{"platform":"mac","url":"https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/18/30/6f/18306f2a-45f0-3bba-8982-14e28a56c3c8/C92D1C7F-FFAF-4BA7-B3FA-6160CEDBA240-appstore_textWdsfddrrdfdfddsdofdsdfdfsdsrdssfdfdfrdfdfsefdfwdrsddsdfewekdsdsddsdow_msdsddenu.png.png.png.png/2880x1800w.webp"},{"platform":"mac","url":"https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/3f/fe/f7/3ffef7a8-c480-d623-3cee-c4a28c7f31bc/785F7C73-1605-4100-BE64-E1EAD9B2A3EA-appstore_textWdsfdfdfddsdofdsdfdfsdsrdssfdfdfrdfdfsefdfwdrsddsdfewekdsdsddsdow_msdsddenu.png.png/2880x1800w.webp"},{"platform":"mac","url":"https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/6e/7f/0d/6e7f0d87-10c3-9a11-8cdd-832fe8214456/58A799E0-C764-4D18-B08F-A5B615C0F280-appstore_textWdsfdfddsdofdsdfdfsdsrdssfdfdfrdfdfsefdfwdrsddsdfewekdsdsddsdow_msdsddenu.png/2880x1800w.webp"},{"platform":"mac","url":"https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/a0/14/ec/a014ec3a-5c45-7fbd-43c0-cae9a8d703bc/E2FD5-1718-4B5E-AF7B-E2196ADF2194-appstore_textWdsfddrrdreerfdfddsdofdsdfdfsdsrdssfdfdfrdfdfsefdfwdrsddsdfewekdsdsddsdow_msdsddenu.png.png.png.png.png/2880x1800w.webp"}]}