Lightworks how to Speed Up a Clip

To speed up a clip in Lightworks, right-click it on the timeline and select Modify Speed — no pre-render required.

That single menu option is where most editors should start, because it handles retiming nondestructively. The speed change is applied as a clip attribute, meaning the original media stays untouched on disk. Useful for quick 200% pushes or subtle 85% slowdowns during assembly.

Lightworks How to Speed Up a Clip: The Full Method

Timeline based NLE editors handle speed changes differently, and this one is more capable than its free-tier status suggests. Here is the complete workflow.

Step 1 — Right-Click and Modify Speed

Place your clip on the timeline. Right-click directly on the clip body and choose Modify Speed from the context menu.

A dialog box opens with a percentage field. Enter any value above 100% to speed up — 200% doubles playback rate, 400% creates a fast-motion effect. Click OK. The clip shortens on the timeline to reflect the new duration. No render bar appears; playback is real-time on most hardware meeting the minimum specs (2 GHz quad-core, 3 GB RAM).

Step 2 — Verify Frame Rate Integrity

After applying the speed change, scrub through the clip in the Source viewer. At higher multipliers (800%+), frame blending artefacts can appear depending on the original codec. H.264 and H.265 source files handle this cleanly at moderate speeds. DNx and ProRes perform better at extreme values.

This is where understanding your export settings matters — if you're outputting a speed-ramped timeline, make sure your sequence frame rate and export codec bitrate are aligned before rendering.

Step 3 — Audio Handling

Speeding up a clip also pitches and shortens the audio track. There is no built-in pitch-correction tool in the free tier. If audio preservation matters, unlink the audio from the video (right-click > Unlink), delete the audio portion, and replace it with room tone or music on a separate track.

Lightworks Free Download — What the Free Tier Includes

The Lightworks free download is available on Windows, macOS, and Linux without a subscription. The free license caps H.264/H.265 export at 1080p, but speed ramping, multicam timelines, real-time effects, and LUT-based color grading pipeline are all fully available at no cost. This is not a crippled demo. It runs the same timeline engine used on Pulp Fiction and The King's Speech.

One real limitation: the free tier locks you out of Titler Pro integration and the plugin SDK. For speed work alone, that is irrelevant.

Comparison: Speed Ramping Across NLE Editors

Resolve has the edge on pitch correction and Lightworks NLE editor users doing heavy audio post should account for that. For purely visual speed work on a no cost license, though, the gap is smaller than the feature list implies.

Final Verdict on Speed Controls

The Modify Speed method answers the question of lightworks how to speed up a clip directly and without friction. It is nondestructive, real-time, and accessible within two clicks on any platform. The absence of pitch correction and advanced speed-curve keyframing (available in Resolve's Retime Curve editor) does hold it back for complex speed-ramp sequences. For straightforward fast-motion work — sports highlights, timelapse inserts, rough assembly — asking lightworks how to speed up a clip gets you a clean answer fast.