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効率的なドキュメント管理に必要なすべて。

整理 & 管理

PDFページの整理、結合、分割、管理

PDFに変換

様々な形式からPDFへの変換

編集 & 注釈

PDFコンテンツの編集、注釈、変更

PDFセキュリティ

PDFファイルの暗号化、復号化、保護

PDFから変換

PDFから他の形式への変換

最適化 & 修復

PDFファイルの圧縮、最適化、修復

Frequently Asked Questions

Find answers to common questions about PDFLocal

Q.What is PDFLocal?

PDFLocal is a free, privacy-focused PDF toolkit that runs entirely in your browser. It offers 80+ professional tools for editing, converting, merging, splitting, and securing PDF files without uploading them to any server.

Q.Is PDFLocal really free?

Yes, PDFLocal is completely free to use. There are no hidden costs, no premium tiers, and no registration required. All features are available to everyone.

Q.Are my files uploaded to a server?

No, your files are never uploaded to any server. All PDF processing happens locally in your browser using JavaScript and WebAssembly. Your files never leave your device.

Q.Is it safe to use PDFLocal with sensitive documents?

Yes, PDFLocal is designed with privacy in mind. Since all processing happens locally in your browser, your sensitive documents remain on your device and are never transmitted over the internet.

Q.What PDF operations can I perform?

PDFLocal offers 67+ tools including: merge, split, compress, convert (to/from images, text, JSON), edit, annotate, sign, add watermarks, encrypt/decrypt, OCR, and many more.

Q.Does PDFLocal work offline?

Currently, PDFLocal requires an internet connection to load the application. However, once loaded, the PDF processing itself happens locally and doesn't require a connection.

PDFLocal

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Security

  • Client-side processingFiles never leave your device
  • No file uploads100% private & secure

Compliance

GDPR Compliant
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