PDFを黒塗りする
共有する前に、機密情報のテキストや画像を完全に黒塗りします。
使い方
1. Upload your file
Drag and drop or choose a PDF file from your device. Everything is checked against its real file type before processing starts.
2. We process it
Your file runs through an isolated job dedicated to PDF黒塗り, with clear progress so you always know what stage it's at.
3. Download the result
Get your finished PDF file with one click. The original upload and the result are deleted automatically afterward.
ファイルはプライベートに保たれます
PDF黒塗りは分離された処理ジョブ内で実行されます。アップロードされたファイルと生成された結果は、ダウンロード可能な期間が終了すると自動的に削除されます。コピーは保存されず、ダウンロードリンクはランダムに生成された使い切りのもので、有効期限があります。
よくある質問
No — this tool works without creating an account. There is no sign-up option at all right now.
PDF黒塗り accepts PDF files and produces a PDF result, up to 1 file per job.
Your document's content and formatting are untouched — this tool only changes access to the file, not what's in it.
Your file is processed in an isolated job and deleted automatically, along with the result, once your download window ends.
Actually removed. Redact PDF flattens the page to a fresh image after blacking out the area you select, so there's no hidden text layer left underneath that could be copied or extracted back out.