OmniDiskSweeper

{{Infobox Software

| name = OmniDiskSweeper

| logo = 48px

| screenshot =

| caption =

| developer = The Omni Group

| latest release version = 1.14{{cite web |title=OmniDiskSweeper Release Notes |url=https://www.omnigroup.com/releasenotes/omnidisksweeper/MessageOfTheDayArchive.html |website=The Omni Group |access-date=5 May 2023 |archive-url=https://web.archive.org/web/20221023190436/https://www.omnigroup.com/releasenotes/omnidisksweeper/MessageOfTheDayArchive.html |archive-date=October 23, 2022}}

| latest release date = October 21, 2022

| latest preview version =

| latest preview date =

| operating system = macOS

| platform =

| genre = Disk Utility

| license = Freeware

| website = [https://www.omnigroup.com/more/ OmniDiskSweeper]

}}

OmniDiskSweeper is a freeware disk space analyzer utility for macOS developed by The Omni Group, which recursively searches the filesystem and displays entries sorted and color-coded by size, from largest to smallest. Alternatives include DaisyDisk and GrandPerspective.{{cite web |last1=Moussie |first1=Stéphane |title=OmniDiskSweeper recense toujours les plus gros fichiers de votre Mac |url=https://www.macg.co/logiciels/2018/03/omnidisksweeper-recense-toujours-les-plus-gros-fichiers-de-votre-mac-101757 |website=MacGeneration |access-date=5 May 2023 |language=fr}}{{cite web |last1=Frakes |first1=Dan |title=Byte breakdown |url=https://www.macworld.com/article/179601/spaceutilities.html |website=Macworld |access-date=5 May 2023 |language=en}}{{cite web |last1=Fleishman |first1=Glenn |title=Spring cleaning for your Mac: How to consolidate files and remove duplicates |url=https://www.macworld.com/article/225175/spring-cleaning-for-your-mac-how-to-consolidate-files-and-remove-duplicates.html |website=Macworld |access-date=5 May 2023 |language=en}}

Its interface presents a column view similar to the macOS Finder.{{cite book |last1=Hattersley |first1=Mark |title=Mac Secrets |date=23 November 2010 |publisher=John Wiley & Sons |isbn=978-1-118-02460-7 |url=https://books.google.com/books?id=X6o-ctVtp_8C |language=en |chapter=Using OmniDiskSweeper to Clear Out Files}}{{cite book |last1=Dorsch |first1=Hans |title=Mac professionell - für Freiberufler und Selbständige: Innovativ und effizient arbeiten dank der Erfolgs-Tools von Apple |date=2005 |publisher=Ralf Seelig |isbn=978-3-908497-24-0 |pages=216–218 |url=https://books.google.com/books?id=FzsPUguhsk8C |language=de}} OmniDiskSweeper supports internal and external drives, and network volumes.{{cite web |title=OmniDiskSweeper |url=http://pratique.leparisien.fr/logiciels/mac/systeme/omnidisksweeper-11100001171 |website=Le Parisien |access-date=5 May 2023}} It warns users when selecting files that are required by macOS or by installed applications, but this only works for applications installed with macOS's Installer utility, based on BOM files.

The program was first released in April 2001 as shareware.{{cite web |last1=Cohen |first1=Peter |title=OmniDiskSweeper 1.0 released |url=https://www.macworld.com/article/160857/omnidisk-2.html |website=Macworld |access-date=5 May 2023 |language=en}} Early versions required payment to delete files, but users could also delete them manually through the Finder.{{cite web |last1=Cohen |first1=Peter |title=OmniDiskSweeper 1.0b3 released |url=https://www.macworld.com/article/160713/omnidisk.html |website=Macworld |access-date=5 May 2023 |language=en}} The Omni Group relicensed it as freeware in 2009, stating a need to refocus on their other programs.{{cite web |last1=Cheng |first1=Jacqui |title=OmniWeb and three other Omni apps set free, as in beer |url=https://arstechnica.com/gadgets/2009/02/omniweb-and-three-other-omni-apps-set-free-as-in-beer/ |website=Ars Technica |access-date=6 May 2023 |language=en-us |date=25 February 2009}}

Specialist outlets MacGeneration and Macworld describe it as a basic tool, useful to find large but unused files.{{cite web |last1=Breen |first1=Christopher |title=Slimming your hard drive |url=https://www.macworld.com/article/181265/slimharddrive.html |website=Macworld |access-date=5 May 2023 |language=en}}{{cite web |last1=Breen |first1=Christopher |title=Dealing with a full hard drive |url=https://www.macworld.com/article/199814/full_hard_drive.html |website=Macworld |access-date=5 May 2023 |language=en}} The Register gave it a rating of 70/100, and included it in their 2010 selection of free essential Mac apps.{{cite web |last1=Smith |first1=Tony |title=Ten free apps to install on every new Mac |url=https://www.theregister.com/2010/05/13/ten_essential_freeware_mac_apps?page=3 |website=The Register |access-date=1 June 2023 |language=en}}