Compress Scanned Documents | Reduce PDF Scan File Size
Optimize scanned documents and ID cards
画像をここにドラッグ＆ドロップ
またはクリックしてファイルを参照
💡 ヒント: 画像を直接貼り付けもできます (Ctrl/Cmd+V)
圧縮設定
圧縮プリセットを選択
またはクリックしてファイルを参照
How to Compress Scanned Documents
Upload Images
Drag and drop your images or click to browse. Supports all common image formats.
Adjust Settings
Choose your desired quality level and output format. Preview changes in real-time.
Download Results
Download compressed images individually or as a batch. Your images are processed locally for privacy.
Document Compression Tips
Optimize for your use case
Different scenarios require different compression strategies. Our presets are tailored specifically for scans.
Use the right format
Modern formats like WebP and AVIF can provide significant file size savings compared to traditional formats.
Batch process similar images
Save time by processing multiple images with the same settings using our batch compression feature.
Preview before saving
Always check the compressed result to ensure it meets your quality standards before downloading.
Document Compression FAQ
How do I compress images for scans?
Use our specialized compression tool optimized for scans. Upload your images, adjust settings, and download the optimized results.
What format is best for scans?
The best format depends on your specific needs. WebP offers great compression for most use cases, while PNG is ideal when you need lossless quality.
Can I compress multiple images at once?
Yes, our batch compression feature lets you process multiple images simultaneously with the same settings.
Is the compression process secure?
Absolutely. All compression happens locally in your browser - your images never leave your device.