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Redimensionner une vidéo en ligne

Réduisez en 1080p, 720p ou 480p et allégez le fichier en même temps.

Video Slicer

Split one video into multiple segments at the cut points you set — fixed interval, manual marks, or AI scene detection. Files never leave your device.

Drag & drop a video file here, or click to select

Supports MP4 / MOV / AVI / MKV and more · Processed in your browser, files never uploaded

Why Splice.Video?

100% private

Your videos are processed entirely in your browser — nothing is ever uploaded to a server.

AI scene detection

Automatically find shot changes and split your video at every scene cut with one click.

Lossless speed

Keyframe-aligned stream copy slices large videos in seconds without re-encoding; smart cut keeps cut points exact.

Free, no watermark

No installs, no sign-up, no watermarks. Works offline once loaded.

How it works

1. Load a video

Drag & drop or pick any MP4, MOV, AVI, MKV, WebM file.

2. Set cut points

Fixed interval, manual marks, or one-click AI scene detection — all points stay draggable and fine-tunable.

3. Slice, join & convert

Download every segment, join clips into one video, compress, extract audio or make a GIF.

4. Save or share

Results download straight to your device, or post to social via the system share sheet (mobile supported).

FAQ

Are my videos uploaded to a server?

No. Everything runs right inside your browser tab. Your files never leave your device — even the free-usage counter is stored locally.

Which formats are supported?

Any format your browser can play, including MP4, MOV, AVI, MKV, WebM and TS. Output is standard MP4, plus M4A/MP3 audio and GIF.

Why is slicing fast or slow sometimes?

Fast mode uses lossless stream copy when a cut aligns with a keyframe. When it does not, the segment is partially or fully re-encoded to keep the cut exact — that takes longer but preserves precision.

Is it really free?

Yes — daily free quotas cover interval/manual slicing, AI detection, joining and converting. Members get unlimited use.

Does it work on phones?

Yes. The interface is optimized for touch — a bottom navigation bar, a touch-friendly timeline with drag and double-tap, and system share sheet support for saving results to your photo library.

Do I need to install anything?

No. Just open this page in a modern browser — Chrome, Edge, Firefox, or Safari. Everything runs inside your browser: nothing to install.

How do I cancel or get a refund?

Auto-renew can be cancelled any time from your PayPal account — your benefits stay active until the end of the paid period. For refunds within 7 days of purchase, see our Refund Policy.

Can I use the results commercially?

Yes. The files you create here belong entirely to you. We make no claim on your content and never see your video data.