/動画ツール

動画ツール

ブラウザで直接使えるプロフェッショナルな動画編集ツール。高価なソフトウェアなしで動画のカット、クロップ、変換、編集が可能。

動画カット動画リサイズ

動画カット

動画ファイルを特定の長さにトリミング・カット

Precise trimming
Fade transitions
Preview before save

動画リサイズ

動画の解像度と寸法を変更

TikTok/Instagram presets
Custom resolution
Maintain quality

動画クロップ

動画から不要な部分を削除

Visual crop tool
Aspect ratio presets
Custom dimensions

動画回転

動画ファイルを任意の角度で回転または反転

90° rotations
Custom angles
Flip horizontal/vertical

Video to GIF

Convert video clips to animated GIFs

Custom quality
Frame rate control
Size optimization

動画コンバーター

あらゆる動画形式間で変換

All formats
Custom settings
Batch conversion

動画圧縮

品質を維持しながら動画ファイルサイズを削減

Smart compression
Quality presets
Batch processing

Mute Video

Remove audio from video files

Remove audio
Keep video quality
Fast processing

Auto Captions

Generate captions automatically using AI speech recognition

AI-powered
50+ languages
Custom styles

Beat Sync

Sync video cuts to music beats automatically

Beat detection
Auto-sync cuts
Custom transitions

Green Screen Remover

Remove green screen backgrounds from videos with professional chroma key

Chroma key
Custom backgrounds
Edge smoothing

速度変更

動画を高速化または低速化

0.25x to 4x speed
Audio sync
Smooth playback

動画反転

動画を逆再生

Instant reverse
Audio reverse
Export options

動画をMP4に

任意の動画形式をMP4に変換

Universal compatibility
Quality options
Fast conversion

動画をWebMに

ウェブ用に動画をWebM形式に変換

Web optimized
Small file size
HTML5 compatible

プロフェッショナルな動画編集をシンプルに

全形式対応

MP4、AVI、MOV、WebMなど、多くの動画形式をサポート

高速処理

高度なアルゴリズムで品質を損なうことなく高速処理を実現

HD品質

オリジナル品質を維持するか、カスタム圧縮設定を選択

Complete Guide to Online Video Editing

Video Editing for Social Media

Optimize your videos for every social media platform. Our tools help you create perfect content for TikTok, Instagram Reels, YouTube Shorts, and more.

  • TikTok Videos - 1080x1920 (9:16) vertical format
  • Instagram Reels - Same as TikTok, up to 90 seconds
  • YouTube Shorts - 9:16 vertical, up to 60 seconds
  • Instagram Posts - 1080x1080 square or 1080x1350

Essential Video Editing Tools

Professional video editing capabilities without the complexity. Our tools cover all the basics and advanced features you need.

  • Cut & Trim - Remove unwanted parts with precision
  • Transitions - Add fade in/out effects
  • Speed Control - Create slow motion or time-lapse
  • Format Conversion - Convert between any formats

Video Optimization Tips

Get the best quality while keeping file sizes manageable. Learn how to optimize your videos for different platforms and purposes.

  • Compression - Reduce size up to 80% without quality loss
  • Resolution - Match platform requirements exactly
  • Frame Rate - 30fps for social media, 60fps for gaming
  • Bitrate - Balance quality and file size

Popular Video Editing Workflows

Content Creation

Cut highlights from longer videos, add transitions, resize for multiple platforms, and optimize for viral potential. Perfect for influencers and creators.

Business Marketing

Create product demos, testimonials, and promotional videos. Add branding, compress for email, and format for websites and ads.

Education

Edit lecture recordings, create tutorials, speed up demonstrations, and compress for online learning platforms.

Personal Videos

Trim family videos, rotate phone recordings, create montages, and compress for sharing via messaging apps.

Video Format Comparison

FormatBest ForProsFile Size
MP4Universal useCompatible everywhereMedium
WebMWeb streamingSmaller size, good qualitySmall
MOVApple devicesHigh qualityLarge
AVIWindows legacyUncompressed optionVery Large