Cuescribe
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Change a video's speed

Speed up a slow tutorial, make a time-lapse or slow a moment down. Pick 0.25× to 4×: the sound is stretched so voices keep their pitch (untick it for the chipmunk effect), and you can hear 5 seconds before exporting. It runs in your browser, with no watermark and no upload.

How to use it

  1. Drop the videoMP4, MOV from a phone, or WebM.
  2. Pick the speed0.25× to 4×; the plan shows the new length.
  3. Choose the soundKeep the voice's pitch, let it follow the speed, or no sound.
  4. Hear it, then exportFive seconds at the new speed first, then the whole video.

What you can download here

  • MP4 at the new speedH.264 and AAC in Chrome and Edge
  • WebMin browsers that cannot make MP4

Example: a slow 12-minute walkthrough

Start with
A 12:00 screen recording of a software walkthrough.
Do this
1.5×, keep the voice's pitch, hear 5 seconds first.
You get
An 8:00 MP4 in which the voice sounds like the same person talking briskly.

At 2× and above speech gets hard to follow; keep those speeds for silent parts and time-lapses.

Good to know

1.25× or 1.5× is the usual speed for tutorials and walkthroughs: most viewers follow it easily, and with the pitch kept the voice still sounds like the same person.

Free Chrome extension

Cuescribe for Chrome

A transcript side panel on every YouTube and TikTok video, a library of everything you transcribe, and one click to open any of it in these tools.

Add to Chromeor the bookmark button
Pro · early access

Pro keeps this free

Every tool stays free. Pro (early access, $9/month) adds batch delivery for client work and the extension's Pro features; longer files and multi-file projects are in development. Early subscribers keep their price and choose what gets built next.

What Pro includes

Next steps

Trim video NewCut the start, the end or a middle part, to the frame.Video to GIFCrisp looping GIFs for email, docs and chat. Size limits.Compress videoFit a video under 10 MB, 25 MB or any size, no upload.Filler word removerUm, uh, false starts and repeats cut; keeps your last take.Silence removerCut dead air; get the tightened video, an EDL or a WAV.Auto-reframe to vertical16:9 → 9:16 with a crop that follows the face.

All 56 free tools →

Questions

Will voices sound like chipmunks?

Not unless you want them to. With "Keep the voice's pitch" ticked, the sound is stretched in short overlapping pieces matched to the waveform, so speech keeps its natural pitch. Above 2× speech gets hard to follow whatever the method.

What happens to the frame rate when I speed it up?

The video keeps its frame rate: at 2× every other frame is used, so motion stays smooth and the file is not bloated with extra frames.

Is slow motion smooth?

Each frame is shown for longer; no frames are invented. Footage filmed at 60 fps slows to 0.5× smoothly; 30 fps footage looks steppy at 0.25×.

Is there a length limit?

No account or watermark limit. Your computer does the work, so long videos take a while. Videos larger than 1920 pixels on the long side come out at 1920.