First-screen message
Compose the text that appears immediately on the locked Mac before someone scrolls, including a return prompt or owner-contact teaser.
LockLines
LockLines is a macOS utility for designing plain-text lock screen messages with separate first-screen and scrollable sections. It helps Mac owners, teams, and equipment managers add return instructions, contact details, asset labels, or operational notes before a locked computer reaches the desktop.
Plain-text lock screen messages for Mac
LockLines is a macOS app for designing plain-text messages for the small message area on a Mac lock screen. It separates the text visible at first glance from additional details that appear after scrolling, then previews both states before the message is copied.
The app is intended for situations where a locked Mac needs useful context before anyone reaches the desktop, such as return instructions, owner contact information, asset labels, or notes for shared, test, repair, lab, conference, and demo machines.
Features
Scrollable details
Add longer owner notes, pickup instructions, asset labels, or test-machine details that appear after scrolling.
Two-state preview
Switch between visible and scroll previews to inspect both lock screen states before copying the message.
Plain-text formatting
Use repeated-character border controls and styled plain-text boxes to decorate and organize the message without leaving the plain-text workflow.
Settings-ready copying
Copy the complete message in a form intended for pasting into macOS Lock Screen settings.
Use cases
Lost Mac recovery
Place a return prompt and owner contact teaser on a locked computer, with longer instructions available below the first screen.
Asset identification
Label school, office, or other shared equipment with ownership or asset information that remains visible while the device is locked.
Shared and event machines
Give visitors or colleagues context on conference, demo, or shared Macs without requiring access to the desktop.
Repair and lab workflows
Add intake, pickup, or handling instructions to repair and lab devices so their status is understandable at the lock screen.
Test machines
Keep test-machine details or scroll-down prompts available on locked Macs used for development and testing.
Pros and Cons
Pros
- Separates first-screen text from longer scrollable lock screen details.
- Previews both visible and scroll states before the message is applied.
- Produces plain text that can be copied into macOS Lock Screen settings.
- Supports practical messages for lost-device returns, ownership, assets, shared computers, and equipment workflows.
- Provides a focused workflow for the limited lock screen message area.
Cons
- The available source does not specify supported macOS versions or other compatibility requirements.
- The workflow requires manually pasting the copied message into macOS System Settings; no additional integrations are documented.
- Pricing and purchase details are not provided in the available product information.
FAQ
How do I put a LockLines message on my Mac lock screen?
After copying from LockLines, open System Settings, go to Lock Screen, enable “Show Message When Locked,” choose “Set,” paste the message, and save.
What kind of lock screen message does LockLines create?
LockLines creates plain-text messages with a separate first-screen message and scrollable details. It previews both states before copying the complete message for use in macOS Lock Screen settings.
What platform does LockLines support?
The source identifies LockLines as a macOS app and directs users to download it from the Mac App Store. A specific macOS version requirement is not provided.
Who can use LockLines?
The app supports messages for owner contact information, return instructions, asset labels, shared Macs, conference or demo machines, repair intake, lab devices, and test machines.
How can I contact LockLines support?
For help, email [email protected]. Support requests should include your macOS version, LockLines version, relevant typed or copied text if comfortable sharing it, and a screenshot of the preview or System Settings message dialog.
Quick Facts
- Category
- Mac utility
- Platform
- macOS
- Output
- Plain-text message for macOS Lock Screen settings
- Workflow
- Write, add scroll details, preview, copy, then paste into System Settings
- Distribution
- Mac App Store download is provided
- Developer
- Ihor July
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