Mac Screenshot Settings: How to Change Save Location, Format, and File Name

Your Desktop doesn't have to be a screenshot graveyard

Every Mac screenshot lands on your Desktop as a PNG file named Screenshot 2026-03-24 at 14.32.07.png. After a week of development, your Desktop looks like a landfill. The files are huge, the names are useless, and half of them are captures you took by accident.

macOS lets you change all of this — the save location, the file format, the shadow effect, even the floating thumbnail that appears after every capture. Some settings live in the Screenshot toolbar GUI. Others require a quick Terminal command. This guide covers both.

Change where screenshots are saved

Method 1: The Screenshot toolbar (no Terminal)

Press Cmd+Shift+5 to open the screenshot toolbar. Click Options in the toolbar. Under the "Save to" section, pick a location: Desktop, Documents, Clipboard, Mail, Messages, Preview, or choose Other Location to select any folder on your Mac.

This is the easiest method and persists across restarts. If you create a dedicated ~/Screenshots folder first, it will appear as an option after you select it once with "Other Location."

Method 2: Terminal command

Open Terminal and run:

defaults write com.apple.screencapture location ~/Screenshots
killall SystemUIServer

Replace ~/Screenshots with any valid path. The folder must exist before you run the command — macOS won't create it for you. The killall SystemUIServer restarts the process that handles screenshots so the change takes effect immediately.

To reset back to the Desktop:

defaults delete com.apple.screencapture location
killall SystemUIServer

Change the screenshot file format

By default, macOS saves screenshots as PNG files. PNGs are lossless and support transparency, but they're large. A typical Retina screenshot of a code editor runs 3–5 MB. If you're taking dozens of screenshots a day and don't need transparency, JPG saves significant disk space.

To switch to JPG:

defaults write com.apple.screencapture type jpg
killall SystemUIServer

Supported formats:

To reset to the default PNG format:

defaults delete com.apple.screencapture type
killall SystemUIServer

Remove the window shadow

When you capture a specific window with Cmd+Shift+4 then Space, macOS adds a drop shadow around the window. It looks polished in presentations but adds extra padding and file size. Developers sharing UI screenshots in pull requests or Slack usually don't want it.

To disable the shadow globally:

defaults write com.apple.screencapture disable-shadow -bool true
killall SystemUIServer

You can also remove the shadow on a per-capture basis: hold Option while clicking a window during a Cmd+Shift+4+Space window capture. This keeps the global shadow enabled but skips it for that one capture.

To re-enable the shadow:

defaults write com.apple.screencapture disable-shadow -bool false
killall SystemUIServer

Disable the floating thumbnail

Since macOS Mojave, a small thumbnail preview appears in the bottom-right corner after every screenshot. You can click it to annotate or share, or wait 5 seconds for it to disappear and save to disk. The problem: during those 5 seconds, the file isn't available yet. If you're trying to capture and immediately use a screenshot, you're waiting for the thumbnail to dismiss itself.

Method 1: Screenshot toolbar

Press Cmd+Shift+5, click Options, and uncheck Show Floating Thumbnail. Screenshots now save immediately to disk with no delay.

Method 2: Terminal

defaults write com.apple.screencapture show-thumbnail -bool false
killall SystemUIServer

Change the default file name prefix

macOS names screenshots Screenshot [date] at [time] by default. If you want a different prefix — for organization or to make screenshots easier to search — you can change it:

defaults write com.apple.screencapture name "Capture"
killall SystemUIServer

This changes the naming pattern to Capture 2026-03-24 at 14.32.07.png. You can use any string as the prefix. To reset to the default:

defaults delete com.apple.screencapture name
killall SystemUIServer

Quick reference: all Terminal commands

After any change, run killall SystemUIServer to apply it immediately.

The limits of customizing built-in screenshots

These settings handle storage and formatting, but they don't change the core workflow. You still capture a file, find the file, open it, annotate it if needed, then share it. For developers sending screenshots to AI coding assistants or pasting into Slack and Jira, the settings don't solve the real friction — the window-switching and manual pasting.

LazyScreenshots captures, annotates, and auto-pastes screenshots directly into the app of your choice in a single shortcut. No file management. No window switching. The screenshot goes straight from your screen to Claude, Cursor, ChatGPT, or wherever you need it.