TimeMarker for After Effects
time marker script
Download TimeMarker v1.0.4 for After Effects on Windows and Mac, a smarter way to add custom markers to your compositions and layers. This powerful script streamlines your workflow with advanced marker controls including customizable colors, comments, durations, and the ability to protect keyframe regions from being stretched when using Adobe’s Responsive Design – Time feature .
Key Features of TimeMarker v1.0.4:
- Customizable Markers: Add comments, set precise durations (in milliseconds, seconds, frames, or by selecting keyframes), and change marker colors for visual organization
- Protect Keyframe Regions: Enable Adobe’s Responsive Design – Time feature to protect selected keyframes within split markers from being time-stretched when nested compositions are adjusted—perfect for creating flexible intro and outro animations
- Add Comp Markers: Open a composition (with no layers selected), customize your marker in the TimeMarker panel, and click Add Marker
- Add Layer Markers: Select layers, customize your marker, and click Add Marker—markers are added starting at the current time
- Keyframe-Based Split Markers: Select keyframes instead of entering a duration to add markers that span the total duration of selected keyframes. When no comment is added, the marker’s duration appears as the comment—a quick way to measure animation duration
- Timestamp Feature: Add timestamps that start counting from a layer’s in-point, measured in milliseconds, seconds, or frames. Create as many timestamps as needed and use them as guide layers
- Multi-Language Support: v1.0.4 and later fully support operating systems set to languages other than English
- Broad Compatibility: Works with After Effects 2025 down through CC 2019 on both Windows and Mac systems
Version 1.0.4 Updates:
- Fixed empty error on startup
- Updated licensing framework to v4.3.2 for improved stability
Perfect For:
- Motion graphics artists who need precise timing control and marker management
- Animators creating flexible templates with adjustable durations using Responsive Design – Time
- Anyone who wants to quickly measure animation durations using split markers
- Studios looking to streamline marker workflows and improve project organization
System Requirements:
- Adobe After Effects 2025, 2024, 2023, 2022, 2021, 2020, CC 2019
- Windows 10/11 (64-bit) or macOS
- 4GB RAM minimum (8GB+ recommended)
- 25MB available disk space
- Enable “Allow Scripts to Write Files and Access Network” in Preferences > Scripting & Expressions
Installation:
Copy the script file to your After Effects ScriptUI Panels folder:
- Windows:
C:\Program Files\Adobe\Adobe After Effects [version]\Support Files\Scripts\ScriptUI Panels\ - Mac:
/Applications/Adobe After Effects [version]/Scripts/ScriptUI Panels/
Access via Window menu > TimeMarker
Note: A free demo is available after logging in for testing before purchase . The script’s keyframe protection feature integrates seamlessly with Adobe’s Responsive Design – Time for creating flexible, adaptable animations .
A smarter way to add custom markers to comps and layers in After Effects. Adjust the color, add a comment, set a duration, and protect a range of keyframes from being time-stretched.
TimeMarker saves you time by helping you quickly add custom markers to your comps and layers in After Effects. The Timestamp feature helps you measure time (millisconds, seconds, frames) along the timeline.
Customize your marker
- Add a comment
- Set a duration (defined in milliseconds, seconds, frames, or by selecting keyframes)
- Change the color
- Protect region of keyframes (available for comp split markers)
Add comp markers

Open a comp (don’t select any layers), customize your marker in the TimeMarker panel, and click Add Marker.
Add layer markers

Select some layers, customize your marker in the TimeMarker panel, and click Add Marker. Markers will be added to the selected layers starting at the current time.
Add split markers by selecting keyframes
Add to comp

You can select keyframes instead of entering a duration in the TimeMarker panel to add a marker that spans the total duration of the selected keyframes. When you add a split marker to the comp without a comment, the marker’s duration will appear as the comment. This serves a quick way to measure the duration of any animation.
Add to layers

To add the markers to the selected keyframe layers “⌘+Click” (Mac) or “Ctrl+Click” (Windows) the Add Marker button.
Protect region of keyframes

“Adobe’s Responsive Design – Time” feature allows you to protect keyframes within a split marker from being time-stretched when the nested comp is time-stretched. This makes it easier to adjust intro & outro animations for different comp durations.
Select the keyframes you’d like to protect and toggle-on the Protect Region checkbox then click Add Marker.
Another way to add a protected region marker is by entering a duration in the TimeMarker panel and toggling-on the Protect Region checkbox then clicking Add Marker. This will add the marker to the current time as long as no keyframes are selected. If keyframes are selected the marker will only protect the region of selected markers.
Add a Timestamp

Timestamps start counting from the layer’s inpoint and can be created as guidelayers by clicking the checkbox on the left. Add as many Timestamps as you need measuring milliseconds, seconds, or frames.
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