PDF 圧縮
Reduce PDF file size by up to 90% without losing quality. Free online, no signup.
12.9K+ ファイル変換済み
ファイルをここにドロップ
またはクリックして選択
PDF files accepted
File converted!
You've used all 3 free conversions today.
This file exceeds the free 25MB limit.
One-time payment · Stripe & PayPal
Convert often? Save with a subscription:
Conversion Failed
問題が発生しましたが、お任せください
メールアドレスを入力してください。24時間以内に変換ファイルをお送りします。
承りました！24時間以内にメールをお送りします。
Reduce PDF file size by up to 90% without losing quality. Perfect for email attachments, web uploads, and saving storage space. Choose between three compression levels: High Quality for printing, Medium for sharing, or Low for the smallest file size.
PDF 圧縮 — 使い方
- 1 Upload your PDF file
- 2 Choose compression level (High, Medium, or Low)
- 3 Click Compress to reduce file size
- 4 Download your compressed PDF
よくある質問
Typically 40-90% depending on content. Image-heavy PDFs compress the most.
High Quality mode preserves nearly all quality. Medium is good for sharing. Low gives smallest size but may reduce image quality.
Yes, files up to 25MB are free. Larger files start at $2.