PDFをPDF/Aに変換
PDFをPDF/Aアーカイブ形式に変換。ISO標準で長期文書保存を確保。
Clear file handling
Built for real workflows
Progress and feedback
Useful options, not clutter
Upload PDF Files
Drag and drop PDF files to convert to PDF/A format.
Smart workflow
Do more in the same workflow
Build from the job you started: batch compatible files, keep the right output format, then move straight into the next useful step without hunting through the site.
Input
Output
Batch
10 files per run
10 files per run. Use one run when the files share the same task.
Choose a related operation below instead of starting from scratch.
Results stay focused on download, preview and the next useful action.
No fixed file-size limit per configured tool limit.
Natural next steps
Continue with a related tool using the same file workflow.
Smart workflows
Finish the job, not just the file
Use the existing tool graph to continue into useful next steps. Bulk and output-packaging capabilities are surfaced automatically where the underlying tool supports them.
Validate an archive-ready copy
Bulk-readyConvert a PDF to PDF/A and keep a compact archival copy for long-term storage.
- Pdf To Pdfa
- Compress PdfBulk processing · ZIP-ready output · Smart size controls
Best for records, legal files and preservation workflows.
ContinueArchive → protect → deliver
Bulk-readyPrepare a PDF/A copy and then apply the security layer required by the delivery workflow.
- Pdf To Pdfa
- Encrypt PdfWorkflow-ready
Best for controlled document handoffs.
ContinueSmart workflows
Get more from this tool
MAXScanner connects the current task to useful next steps instead of sending you back to a generic tool catalogue.
Long-term archive workflow
Convert a PDF to PDF/A for preservation-oriented workflows and then optimize the resulting archive copy.
Compliance handoff
Create a standards-oriented PDF/A copy, then protect it when the delivery workflow requires it.
Practical guide
PDF/A conversion is aimed at preservation-oriented workflows where a document needs a more archive-friendly representation. Treat the converted file as a deliberate archival copy and verify the result before long-term storage.
Useful for
- Preparing records for long-term retention
- Creating archival copies of business documents
- Standardizing documents for preservation workflows
Quick answers
What is PDF/A used for?
PDF/A is designed for long-term document preservation and archival workflows.
Should I keep the original PDF?
Yes. Keep the source when it has independent evidentiary or operational value.
Should an archival conversion be checked?
Yes. Important records should be visually and, where applicable, technically validated after conversion.
Make the next step easier
Use Pdf To Pdfa as part of a complete document workflow: process the file, review the result, then continue into the next useful step instead of returning to a generic tools catalogue.
Clear file-to-result workflow
Useful controls without unnecessary clutter
Mobile-friendly processing experience
Continue directly into related tools
A smoother workflow
- 1Add the file for Pdf To Pdfa
- 2Choose only the settings that matter for the destination
- 3Process and review the result
- 4Continue to the next useful tool when the job is not finished
A human tip
The useful version of Pdf To Pdfa
A conversion tool is most valuable when it removes the work around the conversion. People usually arrive with a destination in mind—an upload, a submission, an email, a report, a website or another editing step. The page should make that destination obvious, keep the interface focused, and offer a sensible next action when the first operation is only part of the job.
About This Tool
PDFをPDF/Aに変換は、PDF文書をPDF/A形式に変換します。PDF/Aは、長期文書アーカイブのためのISO標準です。PDF/Aは、文書が数十年間表示可能で再現可能であることを保証します。
PDF/A-1b(基本準拠)、PDF/A-2b(推奨、透明度をサポート)、またはPDF/A-3b(埋め込みファイルを許可)から選択できます。ツールは必要に応じてフォントを埋め込み、透明度を平坦化します。
すべての変換はブラウザ内でローカルに行われるため、文書のプライバシーが確保されます。
How to Use
PDFをアップロード
PDF/Aに変換したいPDFをアップロードします。
PDF/Aレベルを選択
PDF/A-1b、PDF/A-2b、またはPDF/A-3b準拠レベルを選択します。
変換してダウンロード
PDF/Aに変換し、アーカイブ文書をダウンロードします。
Use Cases
法的アーカイブ
法廷で受理可能な長期保存のために法的文書をPDF/Aに変換。
政府記録
PDF/Aを使用して政府のアーカイブ要件に準拠。
ビジネスアーカイブ
将来のアクセシビリティのために重要なビジネス文書を保存。
Frequently Asked Questions
どのPDF/Aレベルを使用すべきですか?+
PDF/A-2bはほとんどの用途に推奨されます。最大の互換性には1bを使用し、埋め込みファイルが必要な場合は3bを使用します。
PDF/Aを特別にするものは何ですか?+
PDF/Aはフォントを埋め込み、暗号化を無効にし、将来の表示のためにすべての要素が自己完結型であることを保証します。
PDF/Aから戻すことができますか?+
PDF/Aファイルは標準のPDFであり、通常どおり開くことができます。アーカイブ機能は制限を追加しますが、制約ではありません。