> ## Documentation Index
> Fetch the complete documentation index at: https://comfytv.org/llms.txt
> Use this file to discover all available pages before exploring further.

# Video Speed

> Speed a clip up or slow it down (with optional reverse), keeping the audio in tune.

<Frame caption="Video Speed · screenshot coming soon">
  <img src="https://mintcdn.com/comfytv/dMkMxJDZdIo4YzAU/images/nodes/_placeholder.svg?fit=max&auto=format&n=dMkMxJDZdIo4YzAU&q=85&s=b54171099e5b02d4313fe581171ebbcc" alt="Video Speed" width="800" height="450" data-path="images/nodes/_placeholder.svg" />
</Frame>

## What this node does

**Video Speed** retimes a clip by a **speed** factor and can play it **reverse**. It's a real
re-encode on the server (PyAV / ffmpeg), so it runs on **▶ Run** and saves the result as a
project snapshot. Input and output are `COMFYTV_VIDEO`.

If you leave **speed** at 1x and don't enable **reverse**, there's nothing to do and the run
errors out — change the speed or flip reverse on.

## When to use it

* Slow-motion emphasis on a moment, or a fast-forward montage.
* Play a clip backwards for a rewind or loop effect.
* Nudge a clip's duration to fit a music beat or a target length.

## Parameters

### speed

The playback rate multiplier. Range **0.1–10.0**, default **1.0**, step 0.05. Above 1.0 is
faster (shorter clip); below 1.0 is slower (longer clip). 2.0 = double speed, 0.5 = half
speed.

### reverse

Play the clip backwards. Default **off**. Can be combined with a speed change.

### pitch\_compensate

Default **on**. When on, the audio is time-stretched so voices/music keep their original
pitch instead of turning chipmunk-high (fast) or low (slow). Turn it off if you want the
classic tape-style pitch shift that follows the speed.

## Outputs

| Output    | Type            | Meaning                                                          |
| --------- | --------------- | ---------------------------------------------------------------- |
| **video** | `COMFYTV_VIDEO` | The retimed (and optionally reversed) clip, saved as a snapshot. |

## Tips

* speed = 1x with reverse off does nothing and raises an error — set one of them.
* Extreme slow-motion (very small speed) does not synthesize new in-between frames; it
  stretches existing ones. Use a dedicated interpolation step first if you need smoothness.

## Bridge note

`COMFYTV_VIDEO` is a project snapshot reference, not a native ComfyUI tensor. To move
between ComfyTV and native ComfyUI nodes, insert a **Bridge** (`ComfyTV/Bridge`). See
[https://github.com/jtydhr88/ComfyTV/blob/main/docs/bridges.md](https://github.com/jtydhr88/ComfyTV/blob/main/docs/bridges.md).

## Related nodes

* **Video Clip** — trim before or after retiming.
* **Video Volume** — fine-tune audio level after a speed change.