ファイル・メディア
ビデオトリマー＆カッター
Slice any video by start and end timestamps.
Drop a file or click to browse
Trim by start / end seconds (no re-encode)
FFmpeg.wasm runs entirely in your browser. The first use downloads ~30 MB of engine — cached for every subsequent run.
編集者注
Understanding · Keyframes determine where you can cut.
この詳細な解説章は現在、英語版のみで提供されています。上の変換ツールはあなたの言語で動作しますが、長文の解説記事はまだ翻訳されていません。
よくある質問
Quick answers.
›Are my video files uploaded to your server?
No. The clipping process happens entirely within your browser's memory. Your original video never leaves your computer.
›Does trimming reduce the video quality?
By default, the tool performs a stream copy which preserves the original bit rate and resolution. Quality only changes if you choose to re-encode the output to a different format.
›Which video formats are supported?
The trimmer supports common web-compatible containers including `MP4`, `WebM`, and `MOV`. Compatibility depends on your browser's native codec support.
›Can I trim videos for social media?
Yes. You can set precise start and end points to meet the duration requirements for platforms like Instagram, TikTok, or X.
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