Uniform Duration Control
Quickly sync multiple source clips to a specific target duration by applying uniform speed multipliers, essential for beat-matched content.
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(64bit) / Win 11
Download For MacOS
For 10.15 or later
Master Your Content Pace at Scale
Standardize your video assets with professional-grade speed adjustment and automated tempo control.
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.
Import Assets
Select multiple local video files you wish to speed up or slow down and add them to the task queue.
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.
Bulk Execute
Click start to let the engine automatically re-render all videos at the set speed and export them quickly.
Enhance Your Batch Workflow
Combine multiple automated tools to create a professional and highly efficient video production line.
Batch Silence Removal
Eliminate dead air before adjusting speed to create the tightest possible video pace.
Batch Video Resize
Standardize aspect ratios across all speed-adjusted clips for cross-platform compatibility.
Batch Video Mute
Strip original audio tracks that may be distorted by speed changes for a clean slate.
Batch Video Watermark
Protect your newly paced content with consistent brand logos or text overlays.
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(64bit) / Win 11
Download For MacOS
For 10.15 or later