PDFメタデータ編集 — PDF Metadata Editor reads and rewrites the Document Information Dictionary — the properties every PDF viewer shows under File → Properties. Set a proper title (the one browsers use for the tab and search engines for the snippet), name the author, add a subject, or list keywords.
Your PDF is edited locally in your browser and never uploaded.
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PDFメタデータ編集とは？
PDF Metadata Editor reads and rewrites the Document Information Dictionary — the properties every PDF viewer shows under File → Properties. Set a proper title (the one browsers use for the tab and search engines for the snippet), name the author, add a subject, or list keywords.
It also cleans the creator string left behind by whatever tool generated the file. Edits are saved back into the PDF locally; the file never leaves your device.
使い方
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Choose the PDF
Current properties load into the form.
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Edit the fields
Title, author, subject, keywords, creator, producer.
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Save
A new PDF with the updated properties is downloaded.
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関連ツール
Last reviewed: 2026-09-25