PDF sang PDF/A
Chuyển đổi sang định dạng lưu trữ
Drop your PDF file here
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Xử Lý Trên Trình Duyệt
Tệp được xử lý cục bộ trong trình duyệt của bạn
Tự Động Xóa
Tệp tự động bị xóa sau khi xử lý
Không Cần Đăng Ký
Sử dụng tất cả công cụ mà không cần tạo tài khoản
Hoạt Động Mọi Nơi
Mọi thiết bị, mọi trình duyệt, không cần cài đặt
Cách Chuyển Đổi Sang PDF/A
- 1
Chọn hoặc kéo tệp PDF của bạn vào khu vực tải lên.
- 2
Nhấp chuyển đổi để biến PDF của bạn thành định dạng lưu trữ PDF/A.
- 3
Tải xuống tệp tuân thủ PDF/A.
Why Use PDF/A Format?
PDF/A is the ISO standard for digital document preservation. It guarantees your documents will remain readable decades from now, regardless of future software changes.
Who Requires PDF/A?
- Government Agencies: Many require PDF/A for official filings and archives.
- Legal Systems: Courts often mandate PDF/A for e-filing.
- Healthcare: Medical record archival standards often specify PDF/A.
- Financial Institutions: Regulatory compliance often requires archival formats.
Choosing a Version
PDF/A-1b: Maximum compatibility, supported everywhere. PDF/A-2b: Adds transparency and JPEG2000 support. PDF/A-3b: Allows file attachments within the PDF.
Câu Hỏi Thường Gặp
What is PDF/A and why should I use it?
PDF/A is an ISO standard for long-term digital preservation. It ensures documents remain readable regardless of software changes over time.
What's the difference between PDF/A-1b, 2b, and 3b?
PDF/A-1b is most compatible. PDF/A-2b adds JPEG2000 and transparency support. PDF/A-3b allows embedding any file type.
Is PDF/A required for legal documents?
Many government agencies and legal systems require PDF/A for official submissions to ensure long-term accessibility and authenticity.
Is converting to PDF/A free?
Yes, completely free with no registration, watermarks, or hidden fees.
Will my fonts and images be preserved?
Yes, PDF/A embeds all fonts and images directly, ensuring identical display on any system, now or in the future.
Which PDF/A version should I choose?
PDF/A-1b for maximum compatibility. PDF/A-2b if you need transparency. PDF/A-3b if you need to embed attachments.
Will JavaScript or forms still work?
PDF/A removes JavaScript and disables interactive forms for archival stability. Content becomes static and unchangeable.
Does PDF/A increase file size?
Often yes, because fonts are embedded and compression options are limited. This ensures long-term readability.
How do I know if my PDF is PDF/A compliant?
After conversion, open in Adobe Acrobat and check properties, or use a PDF/A validator to confirm compliance.
Is PDF/A good for archiving business documents?
Yes, PDF/A is ideal for contracts, invoices, legal documents, and any files requiring long-term preservation and compliance.