How to change the speed of multiple clips at once in premiere

To quickly change speeds of multiple clips in Premiere, use sequence nesting, replace with After Effects composition for batch adjustments, or automate with scripts like "Batch Clip Speed Changer" for efficient, uniform edits across selected clips.

If you are trying to change the speed of multiple clips at once in Premiere, there is a time-saving method using sequence duplication and synchronization. Here are the steps to achieve this:

The operating environment of this tutorial: Dell XPS 15, Windows 11

1. Use the Replace with After Effects Composition Method

This technique leverages Adobe After Effects to batch adjust clip speeds through a linked composition. By replacing a sequence with an After Effects comp, all clips within that sequence can be manipulated collectively.

• Select all desired clips in the timeline and right-click to choose "Replace With After Effects Composition"
• Confirm the replacement; this creates a dynamic link to an AEP file automatically opened in After Effects
• In After Effects, locate each layer corresponding to your original clips
• For each layer, press Ctrl Alt E to reveal Time Stretch settings or go to Layer > Time > Time Stretch
• Adjust the Time Stretch percentage uniformly across all layers for consistent speed changes
• Save the project in After Effects to update the composition back in Premiere Pro

2. Apply Speed Changes via Nested Sequence Workflow

Nesting multiple clips into a single sequence allows global speed adjustments without affecting individual clip properties outside the nested context. This preserves edit flexibility while enabling bulk control.

• Highlight all target clips on the timeline and group them by pressing Ctrl Shift G or right-clicking and selecting "Nest"
• Name the new nested sequence appropriately (e.g., “Speed_Adjusted_Group”)
• Double-click the nested sequence to open it and verify all clips are present
• Go back to the main timeline and select the nested sequence clip
• Right-click and choose "Speed/Duration" from the context menu
• Modify the speed value; any setting below 100% slows down, above 100% speeds up
• Enable "Ripple Edit" if you want adjacent clips to shift automatically with duration changes

3. Utilize Automation Script for Batch Speed Adjustment

Third-party scripts like "Flow" or custom ExtendScript tools can automate speed modifications across selected clips directly within Premiere Pro, bypassing manual per-clip edits.

• Download and install a compatible script such as "Batch Clip Speed Changer.jsx"
• Place the script file in the Premiere Pro scripts folder located at: C:\Program Files\Adobe\Common\Scripts
• Restart Premiere Pro to load the script into the application
• Select multiple clips in the timeline that require speed adjustment
• Navigate to File > Scripts > Run Script and choose the installed batch speed tool
• In the pop-up interface, enter the desired speed percentage (e.g., 150% for faster playback)
• Click "Apply" to execute uniform speed changes across all selected clips simultaneously

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