自動圧縮
画像を特定のターゲットサイズ（KB）にインテリジェントに圧縮します。
How to Auto-Compress Images
Hit your target file size in 3 simple steps.
Upload your images
Upload the images you need to compress to a specific file size.
Set target file size
Enter your desired file size limit (e.g., 50KB, 200KB) and let our smart algorithm do the rest.
Compress and download
Get your images perfectly optimized to meet your size requirements instantly.
Precise Image Compression
Meet strict file size limits without the guesswork.
Perfect for Portals & Forms
Many government portals, job application sites, and registration forms have strict limits on image file sizes (e.g., "Maximum 100KB"). Use this tool to ensure your documents and photos are under the limit while keeping the best possible quality.
Supported Formats
Why use Auto Compress?
- Exact Targeting: Specify the exact KB limit you need.
- Automated Adjustment: We iteratively adjust quality to fit the size.
- No Manual Trial & Error: Save time by avoiding manual quality tweaking.
Frequently Asked Questions
Common questions about this tool.
Related Tools
Explore other tools to enhance your workflow.
画像圧縮
画質を維持しながら画像ファイルサイズを削減。JPG, PNG, WEBPに対応。
画像変換
画像フォーマット間の変換（PNG, JPG, WEBP, AVIF, TIFFなど）。
サムネイルジェネレーター
カスタマイズ可能なサイズとフィット方法で完璧なサムネイルを作成します。
PDF圧縮
調整可能な品質レベルでPDFファイルを圧縮。Webや印刷用に最適化。
Lock PDF
Add password protection to your PDF files before sharing.
Unlock PDF
Remove password protection from PDF files you own.