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PDF to PDF/A
Convert your PDFs to PDF/A to enable reliable viewing, organized structure, and long-term preservation. Select the conformance level that best fits your viewing needs.
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or drop PDF here
With Vo, easily convert standard PDFs to PDF/A to support reliable, long-term viewing and organized archives. Select the ISO-compliant PDF/A level that best matches your viewing and organization needs.
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ISO - standardized PDF/A
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Convert PDFs to PDF/A free
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TLS encryption for secure document processing
Trusted PDF/A Conversion for Clear Viewing and Long-Term Organization
PDF/A is an ISO-certified variant designed for durable viewing and structured preservation. Unlike standard PDFs, it removes features that hinder archiving—such as encryption or non-embedded fonts—ensuring readability for decades. Vo provides a simple, reliable way to achieve this, supporting calm, organized workflows.
Secure, Free PDF/A Conversion
Skip costly software. Our cloud conversion uses TLS encryption, and your uploaded files are automatically deleted within one hour, ensuring secure, private viewing and organized handling of your documents.
Seamless Viewing Across Windows, macOS, Linux, and Mobile
Whether you're on Windows, macOS, Linux, or a mobile device, Vo delivers consistent, distraction-free viewing in any browser. Convert PDFs to archival PDF/A instantly—no installation needed—streamlining your document viewing and organization.
Preserve Your Files with Vo
Use Vo to produce durable, standards-compliant PDF/A files that support reliable viewing and long-term readability. Select from ISO PDF/A levels to fit your document organization and preservation needs.
PDF/A: ISO Standard for Long-Term Viewing and Archiving
Ensure long-term accessibility by converting your files to PDF/A, the ISO-standard archival format. Vo supports major conformance levels (PDF/A-1b, PDF/A-2b, PDF/A-3b), giving you options that match your preservation and viewing needs.
Convert to PDF/A Anytime with Vo
All conversions occur in the cloud, preserving your device's resources and ensuring fast viewing. After generating your PDF/A, you can compress or password-protect it for stronger security and organized access.
Frequently Asked Questions
Yes. This online PDF to PDF/A converter is free to use, designed for seamless viewing and organized archiving without requiring registration or software installation.
PDF/A is an ISO-standardized format designed for long-term viewing and organized document archiving. It ensures fonts, colors, and content are embedded for reliable rendering and future access.
Yes. All files are processed using secure HTTPS encryption. Uploaded PDFs and converted PDF/A files are automatically deleted from our servers after a short period to protect privacy and support secure, organized viewing workflows.
How to view and convert a PDF to PDF/A for free
To view and convert a PDF to PDF/A for free, use the online tool Vo. Follow these steps to achieve a clear, organized result:
- Click to select or drag and drop to upload your PDF into Vo’s PDF/A conversion tool for viewing and organization.
- In the conversion settings, select the PDF/A format that best supports clear viewing and durable organization. Common options include PDF/A - 1b, PDF/A - 1a, PDF/A - 2b, PDF/A - 2u, PDF/A - 2a, PDF/A - 3b, PDF/A - 3u, and PDF/A - 3a, depending on your archival needs and document preservation.
- Click 'Convert to PDF/A' to start the conversion. Depending on file size and server load, this may take a moment, but the resulting PDF/A will be ready for viewing with an organized structure.
- Your PDF/A file will be ready shortly. Download it for clear viewing and organized pages, or share the link.
Remove pages
This file requires password
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wrong password
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Damaged/Corrupted File
We can’t process corrupted or damaged PDF files. To confirm, open the file in any PDF viewer; if it won’t open, the file is likely damaged. Restore a clean copy before retrying.
