Video Speed Controller

Change video playback speed (slow‑motion, fast‑forward) securely, right in your browser. Your files never leave your device.

Adjust Video Speed

Upload a video, choose a speed factor (0.25x – 4x), and apply the change. Processing happens locally via WebAssembly.

Drag & drop a video file

or click to browse (MP4, MOV, AVI, etc.)

Only video files are accepted

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How It Works

1Select a video – Drag & drop or click to browse. Files stay in your browser.
2Choose speed – Use the slider or preset buttons to set the desired playback speed (0.25x – 4x).
3Apply & download – Click “Apply Speed Change”; FFmpeg processes the video locally and delivers the result.

Why Use This Tool

Key benefits

Create engaging slow‑motion clips for TikTok, Instagram Reels, or YouTube Shorts without complicated software.

The tool automatically adjusts audio pitch (within 0.5x–2.0x range) or lets you mute audio for extreme speed changes.

Your video is processed entirely in your browser using FFmpeg.wasm. No server upload, no data retention.

Speed up or slow down videos of any length or size. Works with MP4, MOV, AVI, WebM, and more.