Will the text become blurry?

No. Compression mainly targets images and fonts; text stays crisp.

Is it safe for sensitive documents?

Yes. Processing is local; nothing is uploaded to our servers.

Does compression affect print quality?

Heavy compression can reduce quality of embedded images. For print, use a light compression level or keep the original for archival.

PDF圧縮

Reduce PDF file size by optimizing embedded images and metadata while keeping text sharp and readable. Ideal for email limits or faster loading. All compression runs in your browser — confidential documents stay in your browser during processing.

無料 · 制限なし · ブラウザで処理

使い方

1Upload your PDF.
2Choose a compression level (e.g. recommended or high).
3Download the smaller PDF.

よくある質問

Will the text become blurry?: No. Compression mainly targets images and fonts; text stays crisp.
Is it safe for sensitive documents?: Yes. Processing is local; nothing is uploaded to our servers.
Does compression affect print quality?: Heavy compression can reduce quality of embedded images. For print, use a light compression level or keep the original for archival.