Convert PDF to PDF/A

Convert PDF to PDF/A. Free online tool, no signup required. Process files instantly in your browser.

Drop your file here or click to upload

Supports all major formats. Max 100MB. Free and secure.

Fast

Process files in seconds with our optimized engine.

Secure

Files are processed and immediately deleted.

Works Everywhere

Use on any device, no app download needed.

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About Convert PDF to PDF/A

PDF/A is the ISO-standardized format for long-term digital preservation of documents. Converting to PDF/A ensures your files remain readable decades from now, regardless of software changes. Required by many government agencies, courts, and archives worldwide.

Key Features

Common Use Cases

Required for government submissions, legal archiving, medical records, financial document retention, and any organization with long-term document preservation requirements.

Pro Tips

Choose PDF/A-1b for maximum compatibility, PDF/A-2b for documents with transparency or layers, and PDF/A-3b if you need to embed attachments like spreadsheets.

How to Use Convert PDF to PDF/A

Step 1: Upload your file above.

Step 2: Configure options as needed.

Step 3: Click Process and download your result.

Why Choose PDF0.ai?

Unlike other tools that require subscriptions, Convert PDF to PDF/A on PDF0.ai is completely free with unlimited usage.

Frequently Asked Questions

What is the difference between PDF and PDF/A?

PDF/A embeds all fonts, disables encryption, and removes external dependencies to ensure the document looks identical in 50 years.

Which PDF/A version should I use?

PDF/A-1b is the most widely accepted. Use PDF/A-2b for modern features like JPEG2000 compression.

Will conversion change how my document looks?

No visual changes. The converter embeds fonts and adjusts metadata while preserving the exact appearance.