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Batch Video Speed Changer

Replace manual timeline stretching with automated speed control. Bulk adjust the playback tempo of your videos to create consistent time-lapse or slow-motion effects instantly.

Download for Windows

For Win 10 (64-bit) or later

Batch Video Speed Changer

Master Your Content Pace at Scale

Standardize your video assets with professional-grade speed adjustment and automated tempo control.

Uniform Duration Control

Quickly sync multiple source clips to a specific target duration by applying uniform speed multipliers, essential for beat-matched content.

Smooth Rendering Engine

Leverage powerful desktop processing to alter playback speed while maintaining frame integrity, preventing stuttering in both fast and slow modes.

High-Speed Time-Lapse Production

Turn long source footage into dynamic time-lapse clips in bulk by applying high speed-up ratios, significantly reducing post-production hours.

Three Steps to Bulk Change Speed

Streamline your desktop production by automating the mechanical task of adjusting playback speed.

1

Import Assets

Select multiple local video files you wish to speed up or slow down and add them to the task queue.

2

Set Multiplier

Enter your target speed value (e.g., 1.5x, 0.5x). The system will apply the setting to all items in the batch.

3

Bulk Execute

Click start to let the engine automatically re-render all videos at the set speed and export them quickly.

Frequently Asked Questions

Simply import your long footage and set the multiplier to 2x, 4x, or another value within the range. The tool will automatically fast-forward and re-render the videos for a tighter pace.

Yes, the tool synchronizes audio with the video speed. However, for extreme speed changes, we recommend using the mute tool to replace audio for better results.

Absolutely. You can enter precise decimal values to have granular control over the final duration and tempo of your video assets.

It is very efficient. Our desktop client utilizes local multi-threading to reconstruct frames quickly, processing dozens of clips in a fraction of the time.

No. The system automatically defaults to the best encoding parameters to ensure the output maintains the same visual quality as the source material.

Perfect Your Video Pace Today

Start your batch speed adjustment journey now and turn hours of manual timeline stretching into seconds of automated success.

Download for Windows

For Win 10 (64-bit) or later