指定サイズに画像を圧縮

二分探索により指定容量へ正確に圧縮。品質係数0.65を下回らない保護機能で顔のぼやけを防止。

Part of the Convert Image to WebP suite. 100% in-browser private execution with zero cloud storage.

🔒 Client-Side Processing
100% In-Browser RAM
✓ No upload
Zero Network Payload
🛡️ No AI training
Zero Model Scraping
⚡ No server copy
No waiting
No upload. Nothing to leak. Your file stays on your device and is processed in your browser. There is no cloud copy sitting on our servers, and your file is not sent to an AI service for processing or training. Drop your file and start working immediately.

Processing Architecture & Calibration

JPEG、PNG、WebP画像をドロップして目標サイズに圧縮 All media streams are isolated locally inside your device using hardware-accelerated WebAssembly (WASM) and WebCodecs. Zero bytes of audio or video content are ever transmitted to external cloud servers.

How It Works

  1. Drop your audio or video file directly into the browser dropzone.
  2. The client-side engine executes local inference or bit-exact extraction without upload delays.
  3. Audition the 15-second realtime A/B comparison with the Dry/Wet slider.
  4. Export your pristine clean master file with 100% original video track preservation.

Frequently Asked Questions

動画の容量（ギガ数）を画質を落とさずに減らすには？
Drop & Cleanはブラウザ内WebAssemblyを活用し、お使いの端末のCPU/GPUで直接トランスコードを行います。最適なビットレートを自動計算するため、高解像度と鮮明さを保ちながらファイルサイズを大幅に削減できます。
LINEや就活のWeb面接動画の提出制限（50MB以下等）に対応できますか？
はい。LINE送信（または各種Webエントリーフォーム）の制限容量に合わせたプリセットを選択するだけで、エラーで弾かれない適合サイズへワンクリックで圧縮できます。
外部サーバーへ動画がアップロードされる心配はありませんか？
一切ありません。サーバー送信ゼロの100%クライアント完結型設計のため、プライベートな日常動画や社外秘の資料動画も情報漏洩リスクなく安全に圧縮可能です。
利用料金やアカウント登録は必要ですか？
無料かつ登録不要です。面倒なメールアドレス登録やクレジットカードの入力なしですぐにご利用いただけます。

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