免費線上裁剪影片
裁剪影片 線上 直接在瀏覽器中以高品質處理. 立即試用此工具。 - 高速, 簡單, HD畫質, 精準 100% 在瀏覽器中本地處理，檔案不會上傳到伺服器。立即免費試用。
將影片拖放到此處
支援 MP4、WebM、AVI、MOV
支援的格式
使用方法
步驟 1
上傳影片
步驟 2
選擇要保留的區域
步驟 3
下載裁剪後的影片
常見錯誤
- Uploading a video file too large for the browser (keep it under 2 GB).
- Closing the tab before processing finishes: the conversion stops.
- Using an exotic input format (prefer MP4, WebM, MOV, AVI).
- Picking a bitrate so low that quality drops noticeably.
專業技巧
- Pick H.264 (MP4) for the widest compatibility.
- For the web, use WebM (VP9/AV1): smaller file at the same quality.
- Keep the original: processing is local but the download is final.
- On mobile, plug in the charger for long videos.
隱私保護
您的影片在瀏覽器中本地處理。不會將檔案上傳到我們的伺服器。
為社交媒體重新構圖 — 免費線上，無需註冊
將影片調整為Instagram、TikTok等平台的方形或垂直格式。
也試試我們的工具: 線上調整影片大小.
技術詳情
透過視覺選擇裁剪有用區域：從水平切換到垂直，適用於 YouTube Shorts，移除黑邊（letterbox），並選擇理想的長寬比。
Why choose our online video cropper
Our online video cropper stands out with 100% local processing via FFmpeg.wasm directly in your Chrome, Firefox, Safari or Edge browser — no server upload, no queue, no arbitrary size limit. You get a fast, free, no-signup, watermark-free tool compatible with all your MP4, MOV, AVI, MKV, WebM, FLV, WMV, M4V, 3GP files and more. Perfect for YouTubers, TikTokers, Instagram Reels creators, Premiere Pro editors, DaVinci Resolve, CapCut, Final Cut users, marketing pros, e-learning trainers and individuals who want to crop video online for free without installing heavy software like HandBrake, Adobe Media Encoder or VLC.
Cross-device compatibility — PC, Mac, iPhone, Android
Our video cropper works on Windows 10, Windows 11, macOS Ventura, Sonoma, Sequoia, Linux Ubuntu, Debian, Fedora, as well as iOS 16+ (iPhone, iPad), iPadOS, Android 10+ (Samsung Galaxy, Google Pixel, Xiaomi, OnePlus) and even Chrome OS on Chromebook. No native app, no APK, no .exe to download: just open the page in your favorite browser and start processing your videos. Compatible with videos from smartphones (4K HDR, slow-motion), GoPro cameras, DJI drones, OBS screen captures, After Effects exports, Loom screencasts and files downloaded from YouTube, Vimeo, TikTok, Twitch or Twitter/X.
Privacy, GDPR compliance and video security
Unlike competing services (Clideo, Kapwing, Veed.io, FlexClip, Online-Convert, Convertio, CloudConvert, FreeConvert, EZGif, Zamzar) that upload your files to remote servers in the US or Asia, our tool processes your entire video in your browser's RAM. Not a single byte is sent over the Internet, ensuring full GDPR, CCPA, LGPD and HIPAA compliance. Perfect for confidential business documents, medical, legal, educational videos, copyrighted content and any personal file you do not want to entrust to any third party.
探索所有影片工具
只需幾次點擊即可壓縮、轉換、剪輯、調整大小和編輯影片。
相關工具
常見問題
裁剪和剪切有什麼區別？
裁剪改變空間框架（刪除邊緣），而剪切改變時間長度（刪除片段）。