Mac System Processes

1Password

Unknown Impact
Utility

1Password password manager

1-8%
20-100MB
Essential
Cannot be terminated

Activity Monitor

Critical Impact
Utility

macOS Activity Monitor

1-8%
20-100MB
Essential

Adobe After Effects

Unknown Impact
Creative

Adobe After Effects motion graphics

10-60%
500MB-8GB
Essential
Cannot be terminated

Adobe Creative Cloud

Unknown Impact
Creative

Adobe Creative Cloud desktop app

10-60%
500MB-8GB
Essential
Cannot be terminated

Adobe Illustrator

Unknown Impact
Creative

Adobe Illustrator vector graphics editor

10-60%
500MB-8GB
Essential
Cannot be terminated

Adobe Photoshop

Unknown Impact
Creative

Adobe Photoshop image editor

10-80%
1-16GB
Essential
Cannot be terminated

Adobe Premiere Pro

Unknown Impact
Creative

Adobe Premiere Pro video editor

10-60%
500MB-8GB
Essential
Cannot be terminated

airportd

High Impact
Networking

Airport wireless management daemon

1-5%
10-40MB
Essential
Cannot be terminated

AMPArtworkAgent

Medium Impact
Media Player

Apple Music Player Artwork Agent

3-25%
50-400MB

AMPLibraryAgent

Critical Impact
Media Player

Apple Music Player Library Agent

3-25%
50-400MB
Essential

Android Studio

Unknown Impact
Development

Google Android Studio IDE

5-40%
200MB-2GB
Essential
Cannot be terminated

Apache

Unknown Impact
Development

Apache HTTP Server

5-40%
200MB-2GB

AppCleaner

High Impact
Utility

AppCleaner uninstaller utility

1-8%
20-100MB
Cannot be terminated

AppleMobileDeviceHelper

High Impact
Media Player

Process for iOS device connectivity

3-25%
50-400MB

Archive Utility

Medium Impact
Utility

macOS Archive Utility

1-8%
20-100MB

autofsd

Medium Impact
System

Automatic filesystem daemon

0.5-3%
10-50MB

automountd

Medium Impact
System

Automatic mount daemon

0.5-3%
10-50MB

Avast Security

Unknown Impact
Security

Avast antivirus application

2-10%
50-200MB
Cannot be terminated

AVG AntiVirus

Unknown Impact
Security

AVG antivirus application

2-10%
50-200MB
Cannot be terminated

avgd

Critical Impact
Security

AVG security daemon

2-10%
50-200MB

backupd

Critical Impact
Background

Time Machine backup daemon

0.5-5%
10-100MB

Battle.net

Unknown Impact
Game

Main Battle.net application

5-25%
200MB-2GB
Essential
Cannot be terminated

Battle.net Agent

Unknown Impact
Game

Battle.net background service

5-25%
200MB-2GB
Essential

Battle.net Helper

Critical Impact
Game

Battle.net web helper process

5-25%
200MB-2GB
Essential

bdld

Critical Impact
Security

Bitdefender live daemon

2-10%
50-200MB

Bear

Critical Impact
Productivity

Bear markdown note-taking app

3-20%
100-600MB
Essential
Cannot be terminated

bird

High Impact
Background

iCloud sync coordination daemon

0.5-5%
10-100MB

Bitdefender Virus Scanner

Unknown Impact
Security

Bitdefender antivirus scanner

2-10%
50-200MB
Cannot be terminated

Bitwarden

Critical Impact
Utility

Bitwarden password manager

1-8%
20-100MB
Essential
Cannot be terminated

Blender

Unknown Impact
Creative

Blender 3D creation suite

10-60%
500MB-8GB
Essential
Cannot be terminated

BlockBlock

High Impact
Security

BlockBlock persistence monitor

2-10%
50-200MB
Cannot be terminated

blued

Low Impact
Device Management

Bluetooth daemon for managing Bluetooth connections.

0.5-3%
5-25MB

bluetoothd

Medium Impact
Device Management

Bluetooth management daemon

1-8%
10-50MB

Boot Camp Assistant

Unknown Impact
Utility

Boot Camp Assistant Windows installer

1-8%
20-100MB

Calculator

Medium Impact
Utility

macOS Calculator application

1-8%
20-100MB
Essential

Calendar

Critical Impact
Productivity

macOS Calendar application

3-20%
100-600MB
Essential

CalendarAgent

Medium Impact
Background

Calendar synchronization agent

0.5-5%
10-100MB

cfprefsd

High Impact
System

Core Foundation preferences daemon

0.5-2%
5-25MB
Essential
Cannot be terminated

Charles Proxy

Unknown Impact
Development

Charles web debugging proxy

5-40%
200MB-2GB
Cannot be terminated

chronyd

Medium Impact
System

Chrony time synchronization daemon

0.5-3%
10-50MB

Cinema 4D

Unknown Impact
Creative

Maxon Cinema 4D 3D software

10-60%
500MB-8GB
Essential
Cannot be terminated

clamd

High Impact
Security

ClamAV daemon

2-10%
50-200MB

ClamXav

Critical Impact
Security

ClamXav antivirus scanner

2-10%
50-200MB
Cannot be terminated

CleanMyMac

Critical Impact
Utility

CleanMyMac system cleaner

1-8%
20-100MB
Cannot be terminated

cloudd

Very Low Impact
Background

iCloud syncing daemon.

0.5-5%
10-100MB

CloudPhotosConfiguration

Medium Impact
Background

iCloud Photos configuration service

0.5-5%
10-100MB

Code Helper

Unknown Impact
Development

Visual Studio Code helper process

5-40%
200MB-2GB
Essential

Code Helper (GPU)

High Impact
Development

VS Code GPU process

5-40%
200MB-2GB

Code Helper (Renderer)

Critical Impact
Development

VS Code renderer process

5-40%
200MB-2GB
Essential

com.apple.accessibility.mediaaccessibilityd

Medium Impact
Background

Media accessibility daemon

0.5-5%
10-100MB

com.apple.audio.SandboxHelper

Medium Impact
Background

Audio sandbox helper

0.5-5%
10-100MB

com.apple.backupd-helper

High Impact
Background

Time Machine backup helper

0.5-5%
10-100MB

com.apple.CoreSimulator.CoreSimulatorService

Unknown Impact
Development

Core Simulator service

5-40%
200MB-2GB

com.apple.dt.Xcode.sourcecontrol.Git

High Impact
Development

Xcode Git source control process

10-60%
1-8GB

com.apple.iCloudHelper

High Impact
Background

iCloud Helper background process

0.5-5%
10-100MB

com.apple.music.StoreFront

Critical Impact
Media Player

Process for Music/iTunes Store

3-15%
100-500MB

com.apple.parsecd

Medium Impact
Background

System parsing daemon

0.5-5%
10-100MB

com.apple.QuickTimePluginAgent

Medium Impact
Media Player

Process for QuickTime browser plugin support

3-25%
50-400MB

com.apple.QuickTimeStreaming

High Impact
Media Player

Process for streaming media in QuickTime

3-25%
50-400MB

com.apple.Safari.ContentBlocker

High Impact
Browser

Process for handling content blocking in Safari

3-20%
150-600MB

com.apple.Safari.SearchHelper

Medium Impact
Browser

Process for handling Safari search functions

3-20%
150-600MB

com.apple.siri.context.service

Medium Impact
Background

Siri context service

0.5-5%
10-100MB

com.apple.speech.speechsynthesisd

Medium Impact
Background

Speech synthesis daemon

0.5-5%
10-100MB

com.apple.voiceservices.tts

Medium Impact
Background

Text-to-speech service

0.5-5%
10-100MB

com.apple.WebKit.Networking.xpc

Unknown Impact
Browser

Process for handling WebKit networking operations

3-20%
50-300MB
Essential

com.apple.WebKit.Storage

Critical Impact
Browser

Process for handling WebKit storage operations

3-20%
50-300MB
Essential

com.avast.daemon

Critical Impact
Security

Avast security daemon

2-10%
50-200MB

com.colliderli.iina.helper

High Impact
Media Player

Helper process for IINA

2-20%
50-300MB

com.docker.backend

Unknown Impact
Development

Docker backend service

2-10%
30-100MB
Essential

CommCenter

Medium Impact
Background

Communications center for cellular connectivity

0.5-5%
10-100MB

commerce

Medium Impact
Background

App Store commerce daemon

0.5-5%
10-100MB

configd

High Impact
System

System configuration daemon

0.5-3%
10-30MB
Essential
Cannot be terminated

Console

High Impact
Utility

macOS Console application

1-8%
20-100MB
Essential

Contacts

High Impact
Productivity

macOS Contacts application

3-20%
100-600MB
Essential

contactsd

Medium Impact
Background

Contacts synchronization daemon

0.5-5%
10-100MB

coreaudiod

Medium Impact
System

Core Audio daemon for sound processing.

1-5%
10-50MB

coreservicesd

Critical Impact
System

Core Services daemon

1-5%
20-80MB
Essential
Cannot be terminated

cron

Medium Impact
System

Cron daemon for scheduled tasks

0.5-3%
10-50MB

cups-browsed

Low Impact
System

CUPS printer browsing daemon

0.5-3%
10-50MB

cupsd

Medium Impact
System

Common Unix Printing System daemon

0.5-3%
5-30MB

CyberGhost

Critical Impact
Networking

CyberGhost VPN application

1-10%
20-150MB
Cannot be terminated

DaVinci Resolve

Unknown Impact
Creative

Blackmagic DaVinci Resolve video editor

10-60%
500MB-8GB
Essential
Cannot be terminated

Deluge

High Impact
Networking

Deluge BitTorrent client

1-10%
20-150MB
Cannot be terminated

DevKinsta

Critical Impact
Development

DevKinsta WordPress development

5-40%
200MB-2GB
Cannot be terminated

Discord

Unknown Impact
Productivity

Discord communication platform

3-20%
100-600MB
Essential
Cannot be terminated

diskarbitrationd

High Impact
System

Disk arbitration daemon for mounting and unmounting volumes

0.1-2%
5-20MB
Essential
Cannot be terminated

Disk Utility

Unknown Impact
Utility

macOS Disk Utility

1-8%
20-100MB
Essential

distnoted

Medium Impact
Background

Distributed notification daemon

0.5-5%
10-100MB
Essential
Cannot be terminated

Dock

High Impact
User Interface

The macOS Dock application

2-10%
30-100MB
Essential

Docker Desktop

Unknown Impact
Development

Docker containerization platform

5-40%
500MB-2GB
Essential
Cannot be terminated

EA app

Unknown Impact
Game

Main EA desktop application

5-25%
200MB-2GB
Essential
Cannot be terminated

EABackgroundService

Critical Impact
Game

EA background service

5-25%
200MB-2GB
Essential

EA Desktop Helper

High Impact
Game

EA app web helper

5-25%
200MB-2GB
Essential

ElasticSearch

Unknown Impact
Development

Elasticsearch search engine

5-40%
200MB-2GB

Element

Critical Impact
Communication

Element Matrix messaging client

2-15%
50-300MB
Essential
Cannot be terminated

EOS

Critical Impact
Game

Epic Online Services process

5-25%
200MB-2GB
Essential

EpicGamesLaunched

Critical Impact
Game

Epic Games launcher daemon

5-25%
200MB-2GB
Essential

Epic Games Launcher

Unknown Impact
Game

Main Epic Games application

5-25%
200MB-2GB
Essential
Cannot be terminated

EpicGamesLauncher Helper

High Impact
Game

Epic Games helper process

5-25%
200MB-2GB
Essential

EpicWebHelper

Critical Impact
Game

Epic Games web helper process

5-25%
200MB-2GB
Essential

Evernote

Unknown Impact
Productivity

Evernote note-taking application

3-20%
100-600MB
Essential
Cannot be terminated

ExpressVPN

Unknown Impact
Networking

ExpressVPN application

1-10%
20-150MB
Cannot be terminated

FaceTime

Unknown Impact
Communication

macOS FaceTime application

5-30%
100-500MB
Essential

Figma

Unknown Impact
Creative

Figma collaborative design tool

10-60%
500MB-8GB
Essential
Cannot be terminated

Final Cut Pro

Unknown Impact
Creative

Apple Final Cut Pro video editor

20-90%
2-32GB
Essential
Cannot be terminated

Finder

High Impact
User Interface

The default file manager included with macOS.

1-10%
100-300MB
Essential

Firefox

Unknown Impact
Browser

Main browser process that manages overall browser operation

5-25%
200-700MB
Essential
Cannot be terminated

Firefox Compositor Process

Critical Impact
Browser

Process for compositing content

5-25%
200-700MB

Firefox Extensions

Critical Impact
Browser

Process for managing browser extensions

5-25%
200-700MB

Firefox File Content Process

Critical Impact
Browser

Process for handling file:// URLs

5-25%
200-700MB

Firefox GMP Process

Critical Impact
Browser

Gecko Media Plugin process

5-25%
200-700MB

Firefox GPU Process

Unknown Impact
Browser

Process for graphics and GPU operations

5-25%
200-700MB

Firefox Launcher Process

Unknown Impact
Browser

Process for launching Firefox

5-25%
200-700MB
Essential
Cannot be terminated

Firefox Privileged Content Process

Unknown Impact
Browser

Process for running privileged content

5-25%
200-700MB
Essential

Firefox RDD Process

Critical Impact
Browser

Process for media decoding (Remote Data Decoder)

5-25%
200-700MB

Firefox Socket Process

Unknown Impact
Browser

Process for network operations

5-25%
200-700MB
Essential

Firefox Thumbnails Process

Medium Impact
Browser

Process for generating tab thumbnails

5-25%
200-700MB

Firefox Utility Process

High Impact
Browser

Generic process for running untrusted code

5-25%
200-700MB

Firefox VR Process

High Impact
Browser

Process for handling WebVR/XR

5-25%
200-700MB

Firefox Web Content

Unknown Impact
Browser

Content process for rendering web pages

5-25%
200-700MB
Essential

fontd

Medium Impact
System

Font management daemon

0.5-3%
10-50MB
Essential
Cannot be terminated

GalaxyClient Helper

High Impact
Game

GOG Galaxy client helper

5-25%
200MB-2GB
Essential

GalaxyClientService

Critical Impact
Game

GOG Galaxy background service

5-25%
200MB-2GB
Essential

GameOverlayUI

Critical Impact
Game

Steam overlay user interface

5-25%
200MB-2GB

GarageBand

Unknown Impact
Creative

Apple GarageBand music creation

10-60%
500MB-8GB
Essential

Git

Critical Impact
Development

Git version control system

5-40%
200MB-2GB

GitHub Desktop

Unknown Impact
Development

GitHub desktop application

5-40%
200MB-2GB
Essential
Cannot be terminated

Go

High Impact
Development

Go programming language

5-30%
200-800MB

GOG Galaxy

Unknown Impact
Game

Main GOG Galaxy client

5-25%
200MB-2GB
Essential
Cannot be terminated

Google Chrome

Unknown Impact
Browser

Main browser process that manages the overall browser operation

5-30%
200-800MB
Essential
Cannot be terminated

Google Chrome Crashpad Handler

Low Impact
Browser

Process for managing crash reporting

5-30%
200-800MB

Google Chrome Helper (Audio Service)

High Impact
Browser

Process for handling audio processing

2-15%
50-300MB

Google Chrome Helper (Browser Switch)

Medium Impact
Browser

Process for switching between different browser profiles

2-15%
50-300MB

Google Chrome Helper (Extension)

Critical Impact
Browser

Process for running browser extensions

2-15%
50-300MB

Google Chrome Helper (GPU)

Unknown Impact
Browser

Process that handles graphics processing using hardware acceleration

2-15%
50-300MB

Google Chrome Helper (Installer)

Medium Impact
Browser

Process for handling Chrome updates

2-15%
50-300MB

Google Chrome Helper (Network Service)

Unknown Impact
Browser

Process for handling network operations

2-15%
50-300MB
Essential

Google Chrome Helper (Plugin)

High Impact
Browser

Process that runs browser plugins like Flash (legacy)

2-15%
50-300MB

Google Chrome Helper (Renderer)

Unknown Impact
Browser

Process responsible for rendering web page content

2-15%
50-300MB
Essential

Google Chrome Helper (Sharing Service)

Medium Impact
Browser

Process for handling sharing functionality

2-15%
50-300MB

Google Chrome Helper (Storage Service)

Critical Impact
Browser

Process for handling browser storage

2-15%
50-300MB
Essential

Google Chrome Helper (Utility)

Critical Impact
Browser

Process for handling various utility tasks

2-15%
50-300MB
Essential

Google Chrome Helper (Video Capture)

High Impact
Browser

Process for handling video capture functionality

2-15%
50-300MB

Google Chrome Helper (Zygote)

Medium Impact
Browser

Process used to launch new renderer processes quickly

2-15%
50-300MB
Essential

hidd

High Impact
Device Management

Human Interface Device daemon

1-5%
10-40MB
Essential
Cannot be terminated

Homebrew

High Impact
Development

Homebrew package manager

5-40%
200MB-2GB

IINA

Unknown Impact
Media Player

Main IINA media player process

2-20%
50-300MB
Essential

iina-plugin-host

Medium Impact
Media Player

Process for IINA plugins

2-20%
50-300MB

iina-thumbnailer

Low Impact
Media Player

Process for IINA thumbnail generation

2-20%
50-300MB

installd

High Impact
Background

System installer daemon

0.5-5%
10-100MB

Instruments

Unknown Impact
Development

Xcode performance analysis tool

5-40%
200MB-2GB

IntelliJ IDEA

Unknown Impact
Development

JetBrains IntelliJ IDEA IDE

5-40%
200MB-2GB
Essential
Cannot be terminated

iokit

Critical Impact
System

Input/Output Kit framework process

0.5-3%
10-50MB
Essential
Cannot be terminated

iStat Menus

Critical Impact
Utility

System monitoring in menu bar

1-8%
20-100MB
Cannot be terminated

iTerm2

Unknown Impact
Development

Third-party terminal emulator

5-40%
200MB-2GB
Essential

iTunesHelper

High Impact
Media Player

Helper process for iTunes/Music

3-25%
50-400MB

iTunes Library Helper

High Impact
Media Player

Process for iTunes library management

3-25%
50-400MB

Java

Critical Impact
Development

Java runtime environment

5-40%
200MB-2GB

kadmind

Medium Impact
Security

Kerberos administration daemon

2-10%
50-200MB

Kafka

Unknown Impact
Development

Apache Kafka message broker

5-40%
200MB-2GB

Kaspersky Internet Security

Unknown Impact
Security

Kaspersky security suite

2-10%
50-200MB
Cannot be terminated

kernel_task

Critical Impact
System

The macOS kernel process, responsible for managing system resources, hardware access, and security.

0.1-2%
100-500MB
Essential
Cannot be terminated

kextd

High Impact
System

Kernel extension daemon that manages kernel extensions

0.1-1%
5-15MB
Essential
Cannot be terminated

KextViewr

Medium Impact
Security

Kernel extension viewer

2-10%
50-200MB
Cannot be terminated

Keychain Access

Critical Impact
Utility

macOS Keychain Access utility

1-8%
20-100MB
Essential

Keynote

Unknown Impact
Productivity

Apple Keynote presentation software

3-20%
100-600MB
Essential

Kibana

Critical Impact
Development

Kibana data visualization

5-40%
200MB-2GB

klnagent

Critical Impact
Security

Kaspersky security agent

2-10%
50-200MB

KnockKnock

High Impact
Security

KnockKnock persistence scanner

2-10%
50-200MB
Cannot be terminated

krb5kdc

High Impact
Security

Kerberos Key Distribution Center

2-10%
50-200MB

LastPass

Critical Impact
Utility

LastPass password manager

1-8%
20-100MB
Essential
Cannot be terminated

launchd

Critical Impact
System

The first process started at system boot, responsible for launching other processes.

0.1-0.5%
5-15MB
Essential
Cannot be terminated

Line

Critical Impact
Communication

Line messaging application

2-15%
50-300MB
Essential
Cannot be terminated

Little Snitch

Unknown Impact
Security

Little Snitch network monitor

1-5%
20-80MB
Cannot be terminated

Little Snitch Network Monitor

Critical Impact
Security

Little Snitch monitoring service

1-5%
20-80MB

Local by Flywheel

Unknown Impact
Development

Local WordPress development

5-40%
200MB-2GB
Cannot be terminated

Logic Pro

Unknown Impact
Creative

Apple Logic Pro audio workstation

10-70%
500MB-8GB
Essential
Cannot be terminated

loginwindow

Critical Impact
User Interface

Login window process

1-5%
20-80MB
Essential
Cannot be terminated

Logstash

Critical Impact
Development

Logstash data processing pipeline

5-40%
200MB-2GB

lsd

High Impact
System

Launch Services daemon

0.5-3%
10-40MB
Essential
Cannot be terminated

Lulu

Critical Impact
Security

LuLu firewall application

2-10%
50-200MB
Cannot be terminated

Macs Fan Control

High Impact
Utility

Fan speed control utility

1-8%
20-100MB
Cannot be terminated

Mail

Unknown Impact
Productivity

macOS Mail application

3-20%
100-600MB
Essential

Malwarebytes Anti-Malware

Unknown Impact
Security

Malwarebytes security application

2-15%
100-400MB
Cannot be terminated

MalwareBytes Protection

Critical Impact
Security

Malwarebytes real-time protection

2-10%
50-200MB

MAMP

Unknown Impact
Development

MAMP web development stack

5-40%
200MB-2GB
Cannot be terminated

masvc

Critical Impact
Security

McAfee security service

2-10%
50-200MB

Maya

Unknown Impact
Creative

Autodesk Maya 3D animation software

10-60%
500MB-8GB
Essential
Cannot be terminated

McAfee Endpoint Security

Unknown Impact
Security

McAfee security platform

2-10%
50-200MB
Cannot be terminated

mDNSResponder

High Impact
Networking

Multicast DNS responder for Bonjour services

0.5-3%
5-25MB
Essential
Cannot be terminated

mds

Medium Impact
Background

Metadata Server process for Spotlight indexing.

0.5-5%
10-100MB

mdutil

Low Impact
Background

Metadata utility for Spotlight management

0.5-5%
10-100MB

mdworker

Medium Impact
Background

Metadata worker process for Spotlight indexing

1-20%
10-200MB

MenuMeters

High Impact
Utility

System metrics in menu bar

1-8%
20-100MB
Cannot be terminated

Messages

Critical Impact
Communication

macOS Messages application

2-10%
50-200MB
Essential

Messenger

Critical Impact
Communication

Facebook Messenger desktop app

2-15%
50-300MB
Essential
Cannot be terminated

Micro Snitch

High Impact
Security

Micro Snitch microphone monitor

2-10%
50-200MB
Cannot be terminated

Microsoft Excel

Unknown Impact
Productivity

Microsoft Excel spreadsheet application

5-30%
300MB-1GB
Essential
Cannot be terminated

Microsoft Outlook

Unknown Impact
Productivity

Microsoft Outlook email client

3-20%
100-600MB
Essential
Cannot be terminated

Microsoft PowerPoint

Unknown Impact
Productivity

Microsoft PowerPoint presentation software

3-20%
100-600MB
Essential
Cannot be terminated

Microsoft Teams

Unknown Impact
Productivity

Microsoft Teams collaboration platform

3-20%
100-600MB
Essential
Cannot be terminated

Microsoft Word

Unknown Impact
Productivity

Microsoft Word document processor

3-20%
200-800MB
Essential
Cannot be terminated

Migration Assistant

Critical Impact
Utility

macOS Migration Assistant

1-8%
20-100MB

mobileassetd

Medium Impact
Background

Mobile asset management daemon

0.5-5%
10-100MB

MongoDB

Unknown Impact
Development

MongoDB database server

5-40%
200MB-2GB

mpv

Critical Impact
Media Player

Media playback engine for IINA

3-25%
50-400MB
Essential

Music

Unknown Impact
Media Player

Main Music/iTunes application process

3-15%
100-500MB
Essential

MusicCacheExtension

Medium Impact
Media Player

Process for Music app caching

3-15%
100-500MB

MySQL

Unknown Impact
Development

MySQL database server

5-40%
200MB-2GB

networkd

High Impact
Networking

Network configuration daemon

0.5-2%
10-30MB
Essential
Cannot be terminated

Network Radar

High Impact
Networking

Network discovery tool

1-10%
20-150MB
Cannot be terminated

Nginx

Unknown Impact
Development

Nginx web server

5-40%
200MB-2GB

Nmap

Critical Impact
Networking

Network mapping tool

1-10%
20-150MB

Node.js

Critical Impact
Development

Node.js JavaScript runtime

5-40%
200MB-2GB

NordVPN

Unknown Impact
Networking

NordVPN application

1-10%
20-150MB
Cannot be terminated

Norton 360

Unknown Impact
Security

Norton 360 security suite

2-10%
50-200MB
Cannot be terminated

Notes

High Impact
Productivity

macOS Notes application

3-20%
100-600MB
Essential

NotificationCenter

Medium Impact
User Interface

Notification center process

1-5%
20-80MB
Essential

notifyd

High Impact
Background

Notification daemon

0.5-5%
10-100MB
Essential
Cannot be terminated

Notion

Unknown Impact
Productivity

Notion workspace application

3-15%
150-500MB
Essential
Cannot be terminated

npm

High Impact
Development

Node.js package manager

5-40%
200MB-2GB

nsurlsessiond

High Impact
Background

NSURLSession daemon

0.5-5%
10-100MB

ntpd

Medium Impact
System

Network Time Protocol daemon

0.5-3%
10-50MB

Numbers

Unknown Impact
Productivity

Apple Numbers spreadsheet

3-20%
100-600MB
Essential

Obsidian

Unknown Impact
Productivity

Obsidian knowledge management

3-20%
100-600MB
Essential
Cannot be terminated

opendirectoryd

Critical Impact
Security

Open Directory daemon

1-5%
20-100MB
Essential
Cannot be terminated

org.videolan.vlchelper

Medium Impact
Media Player

Background service process for VLC

3-25%
50-400MB

OverSight

High Impact
Security

OverSight microphone and camera monitor

2-10%
50-200MB
Cannot be terminated

Pages

Unknown Impact
Productivity

Apple Pages word processor

3-20%
100-600MB
Essential

Parallels Desktop

Unknown Impact
Development

Parallels virtualization software

5-40%
200MB-2GB
Cannot be terminated

photoanalysisd

High Impact
Background

Photos analysis daemon

0.5-5%
10-100MB

photolibraryd

High Impact
Background

Photos library daemon

0.5-5%
10-100MB

PHP

High Impact
Development

PHP interpreter

5-40%
200MB-2GB

Plugin-container

High Impact
Browser

Process for running browser plugins

3-20%
50-300MB

PostgreSQL

Unknown Impact
Development

PostgreSQL database server

5-40%
200MB-2GB

powerd

High Impact
System

Power management daemon

0.1-1%
5-15MB
Essential
Cannot be terminated

Preview

Critical Impact
Utility

macOS Preview application

1-8%
20-100MB
Essential

ProtonVPN

Critical Impact
Networking

ProtonVPN application

1-10%
20-150MB
Cannot be terminated

Pro Tools

Unknown Impact
Creative

Avid Pro Tools audio workstation

10-60%
500MB-8GB
Essential
Cannot be terminated

Proxyman

Unknown Impact
Development

Proxyman HTTP debugging proxy

5-40%
200MB-2GB
Cannot be terminated

PyCharm

Unknown Impact
Development

JetBrains PyCharm Python IDE

5-40%
200MB-2GB
Essential
Cannot be terminated

Python

Critical Impact
Development

Python interpreter

5-40%
200MB-2GB

qBittorrent

Critical Impact
Networking

qBittorrent client

1-10%
20-150MB
Cannot be terminated

QuickTime Helper

High Impact
Media Player

Helper process for QuickTime

3-25%
50-400MB

QuickTime Player

Unknown Impact
Media Player

Main QuickTime application process

5-40%
50-300MB
Essential

QuickTimePlayerHelper

Medium Impact
Media Player

Helper process for QuickTime Player

3-25%
50-400MB

RabbitMQ

Critical Impact
Development

RabbitMQ message broker

5-40%
200MB-2GB

Radio Silence

High Impact
Security

Radio Silence network firewall

2-10%
50-200MB
Cannot be terminated

RansomWhere

High Impact
Security

RansomWhere ransomware detector

2-10%
50-200MB
Cannot be terminated

rapportd

High Impact
Background

Rapport daemon for device-to-device communication

0.5-5%
10-100MB

Redis

Critical Impact
Development

Redis in-memory database

5-40%
200MB-2GB

Reminders

High Impact
Productivity

macOS Reminders application

3-20%
100-600MB
Essential

Ruby

High Impact
Development

Ruby interpreter

5-40%
200MB-2GB

Rust

High Impact
Development

Rust programming language

5-40%
200MB-2GB

Safari

Unknown Impact
Browser

Main browser process that manages browser operation

3-20%
150-600MB
Essential
Cannot be terminated

SafariBookmarksSyncAgent

Medium Impact
Browser

Process for synchronizing Safari bookmarks

3-20%
150-600MB

Safari Extension

High Impact
Browser

Process for running Safari extensions

3-20%
150-600MB

Safari (GPU Process)

Unknown Impact
Browser

Process for hardware-accelerated graphics in Safari

3-20%
150-600MB

Safari Networking

Unknown Impact
Browser

Process handling network operations for Safari

3-20%
150-600MB
Essential

SafariNotificationAgent

Low Impact
Browser

Process for handling Safari notifications

3-20%
150-600MB

Safari Web Content

Unknown Impact
Browser

Process that renders web page content using WebKit

3-20%
150-600MB
Essential

Safari Web Content (Cached)

Medium Impact
Browser

Process for cached web content

3-20%
150-600MB

Safari Web Service

High Impact
Browser

Background service process for Safari

3-20%
150-600MB

sandboxd

Critical Impact
Security

Sandbox daemon for application security

0.5-3%
10-50MB
Essential
Cannot be terminated

Scrivener

Unknown Impact
Productivity

Scrivener writing software

3-20%
100-600MB
Essential
Cannot be terminated

securityd

Critical Impact
Security

Security daemon responsible for managing security policies and keychain access.

0.5-3%
20-80MB
Essential
Cannot be terminated

sharingd

High Impact
Background

Sharing daemon for AirDrop and Handoff

0.5-5%
10-100MB

Signal

Unknown Impact
Communication

Signal secure messaging

2-15%
50-300MB
Essential
Cannot be terminated

Simulator

Unknown Impact
Development

iOS/watchOS/tvOS Simulator

5-40%
200MB-2GB

Sketch

Unknown Impact
Creative

Sketch vector design tool

5-40%
200MB-2GB
Essential
Cannot be terminated

Skype

Unknown Impact
Productivity

Skype video calling service

3-20%
100-600MB
Essential
Cannot be terminated

Slack

Unknown Impact
Productivity

Slack team communication platform

3-15%
200-600MB
Essential
Cannot be terminated

smcFanControl

High Impact
Utility

System Management Controller fan control

1-8%
20-100MB
Cannot be terminated

softwareupdate

High Impact
System

Software Update process

0.5-3%
10-50MB

Sophos Home

Unknown Impact
Security

Sophos security application

2-10%
50-200MB
Cannot be terminated

SophosWebIntelligence

Critical Impact
Security

Sophos web protection service

2-10%
50-200MB

SourceTree

Unknown Impact
Development

Atlassian SourceTree Git client

5-40%
200MB-2GB
Essential
Cannot be terminated

Spotlight

Medium Impact
User Interface

Spotlight search interface

2-15%
30-150MB
Essential

SpringBoard

Critical Impact
Background

iOS SpringBoard (on Apple Silicon during iOS app emulation)

0.5-5%
10-100MB

Steam

Unknown Impact
Game

Main Steam client process

5-25%
200MB-2GB
Essential
Cannot be terminated

SteamChildMonitor

High Impact
Game

Steam child process monitor

5-25%
200MB-2GB
Essential

steamservice

Critical Impact
Game

Steam service process

5-25%
200MB-2GB
Essential

steamwebhelper

Unknown Impact
Game

Steam web browser component

5-25%
200MB-2GB
Essential

storeassetd

Medium Impact
Background

App Store asset daemon

0.5-5%
10-100MB

storedownloadd

High Impact
Background

App Store download daemon

0.5-5%
10-100MB

suggestd

Medium Impact
Background

Spotlight suggestions daemon

0.5-5%
10-100MB

Surfshark

Critical Impact
Networking

Surfshark VPN application

1-10%
20-150MB
Cannot be terminated

swcd

Medium Impact
Background

Software Update Catalog daemon

0.5-5%
10-100MB

SymDaemon

Critical Impact
Security

Norton Symantec daemon

2-10%
50-200MB

syslogd

High Impact
System

System log daemon that manages logging services

0.5-2%
5-20MB
Essential
Cannot be terminated

System Information

High Impact
Utility

macOS System Information utility

1-8%
20-100MB
Essential

SystemUIServer

High Impact
User Interface

System menu bar and user interface server

1-8%
20-60MB
Essential
Cannot be terminated

Telegram

Unknown Impact
Communication

Telegram messaging application

2-8%
80-250MB
Essential
Cannot be terminated

Terminal

Critical Impact
Development

macOS Terminal application

1-10%
20-100MB
Essential

TextEdit

High Impact
Utility

macOS TextEdit text editor

1-8%
20-100MB
Essential

TG Pro

Critical Impact
Utility

Temperature and fan control

1-8%
20-100MB
Cannot be terminated

thermald

High Impact
System

Thermal management daemon

0.1-2%
5-20MB
Essential
Cannot be terminated

The Unarchiver

High Impact
Utility

The Unarchiver archive utility

1-8%
20-100MB
Cannot be terminated

TmPreFilter

High Impact
Security

Trend Micro pre-filter

2-10%
50-200MB

Transmission

Critical Impact
Networking

Transmission BitTorrent client

1-10%
20-150MB
Cannot be terminated

Trend Micro Antivirus

Unknown Impact
Security

Trend Micro security suite

2-10%
50-200MB
Cannot be terminated

Tunnelblick

Critical Impact
Networking

Tunnelblick OpenVPN client

1-10%
20-150MB
Cannot be terminated

Ubisoft Connect

Unknown Impact
Game

Main Ubisoft Connect application

5-25%
200MB-2GB
Essential
Cannot be terminated

UbisoftConnect Helper

High Impact
Game

Ubisoft Connect helper process

5-25%
200MB-2GB
Essential

UbisoftConnectService

Critical Impact
Game

Ubisoft Connect service

5-25%
200MB-2GB
Essential

Ulysses

Unknown Impact
Productivity

Ulysses writing application

3-20%
100-600MB
Essential
Cannot be terminated

UnityHelper

Medium Impact
Game

Unity helper process

5-25%
200MB-2GB

Unity Hub

Critical Impact
Game

Unity game engine launcher

5-25%
200MB-2GB
Cannot be terminated

UnityPackageManager

High Impact
Game

Unity package manager process

5-25%
200MB-2GB

UnrealCEFSubProcess

High Impact
Game

Unreal engine web subprocess

5-25%
200MB-2GB

Unreal Engine

Unknown Impact
Game

Unreal game engine process

5-25%
200MB-2GB
Cannot be terminated

update_dyld_shared_cache

Medium Impact
System

Dynamic linker shared cache update process

0.5-3%
10-50MB

usbmuxd

Medium Impact
Device Management

USB multiplexing daemon for iOS devices

1-5%
10-50MB

UserEventAgent

Medium Impact
Background

User event agent

0.5-5%
10-100MB

UserNotificationCenter

Medium Impact
User Interface

User notification center daemon

0.5-3%
10-40MB
Essential

uTorrent

Critical Impact
Networking

uTorrent BitTorrent client

1-10%
20-150MB
Cannot be terminated

Vagrant

Critical Impact
Development

Vagrant virtualization manager

5-40%
200MB-2GB

Valet

High Impact
Development

Laravel Valet development environment

5-40%
200MB-2GB

Viber

Critical Impact
Communication

Viber messaging and calling

2-15%
50-300MB
Essential
Cannot be terminated

VirtualBox

Unknown Impact
Development

Oracle VirtualBox virtualization

5-40%
200MB-2GB
Cannot be terminated

Viscosity

Critical Impact
Networking

Viscosity OpenVPN client

1-10%
20-150MB
Cannot be terminated

Visual Studio Code

Unknown Impact
Development

Microsoft Visual Studio Code editor

5-30%
200-1GB
Essential
Cannot be terminated

VLC

Unknown Impact
Media Player

Main VLC media player process

3-25%
50-400MB
Essential

vlc-cache-gen

Low Impact
Media Player

VLC cache generation process

3-25%
50-400MB

VLC Helper

High Impact
Media Player

Helper process for VLC

3-25%
50-400MB

VLCKit

Medium Impact
Media Player

Framework process for VLC

3-25%
50-400MB

VMware Fusion

Unknown Impact
Development

VMware virtualization software

5-40%
200MB-2GB
Cannot be terminated

watchdogd

High Impact
System

System watchdog daemon

0.1-1%
5-15MB
Essential
Cannot be terminated

WebKitServiceProcess

Critical Impact
Browser

Process for handling WebKit services

3-20%
50-300MB
Essential

WebKit Web Content

Unknown Impact
Browser

WebKit rendering engine process

3-20%
50-300MB
Essential

WebStorm

Unknown Impact
Development

JetBrains WebStorm JavaScript IDE

5-40%
200MB-2GB
Essential
Cannot be terminated

WeChat

Unknown Impact
Communication

WeChat messaging application

2-15%
50-300MB
Essential
Cannot be terminated

WhatsApp

Unknown Impact
Communication

WhatsApp messaging application

2-10%
100-300MB
Essential
Cannot be terminated

Wickr Me

Critical Impact
Communication

Wickr secure messaging

2-15%
50-300MB
Essential
Cannot be terminated

wifid

High Impact
Networking

WiFi daemon for wireless network management

1-5%
10-40MB
Essential
Cannot be terminated

WiFi Explorer

Critical Impact
Networking

WiFi analysis tool

1-10%
20-150MB
Cannot be terminated

WiFi Scanner

High Impact
Networking

WiFi network scanner

1-10%
20-150MB
Cannot be terminated

WindowServer

Critical Impact
User Interface

Manages the graphical user interface and handles drawing to the screen.

2-15%
50-200MB
Essential
Cannot be terminated

Wireshark

Unknown Impact
Networking

Wireshark network analyzer

1-10%
20-150MB
Cannot be terminated

XAMPP

Unknown Impact
Development

XAMPP web development stack

5-40%
200MB-2GB
Cannot be terminated

Xbox

Unknown Impact
Game

Xbox app for Mac

5-25%
200MB-2GB
Essential
Cannot be terminated

XboxHelper

High Impact
Game

Xbox app helper process

5-25%
200MB-2GB
Essential

XboxNetworkingService

Critical Impact
Game

Xbox networking service

5-25%
200MB-2GB
Essential

Xcode

Unknown Impact
Development

Main Xcode IDE process

10-60%
1-8GB
Essential
Cannot be terminated

xcodebuild

Unknown Impact
Development

Xcode command-line build tool

10-60%
1-8GB

xcrun

Critical Impact
Development

Xcode command-line tool runner

5-40%
200MB-2GB

Zoom

Unknown Impact
Productivity

Zoom video conferencing

3-20%
100-600MB
Essential
Cannot be terminated