PDF to PDF/A

Free Online PDF to PDF/A Converter — Long-term Archival Standard

Convert regular PDFs to PDF/A — the internationally recognized format for long-term digital preservation — directly in your browser.

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Instant Archiving

Convert to PDF/A in seconds — no software needed.

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Maximum Privacy

No upload — your document stays on your device.

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Free Forever

Unlimited conversions. No registration. No watermarks.

What is PDF/A and Why Use It?

PDF/A is an ISO-standardized subset of PDF designed for long-term digital preservation. Unlike regular PDFs, PDF/A files are:

Self-contained — all fonts are embedded, no external dependencies
Restricted — no JavaScript, no audio/video, no encryption that prevents rendering
Metadata-rich — includes information for future readability
Compliant — accepted by courts, archives, governments, banks, and long-term storage systems

How Our PDF to PDF/A Tool Works

Upload your regular PDF
Choose PDF/A level (1b, 2b, 3b) and font embedding option
Convert — fonts are embedded, unsupported features removed
Download the PDF/A compliant file

Common Use Cases

✓ Archive legal contracts, invoices, or court documents

✓ Convert financial reports for long-term storage

✓ Prepare records for government or institutional submission

✓ Ensure scanned documents remain readable decades from now

Why Choose This PDF to PDF/A Converter?

True Privacy

Unlike online converters — no file leaves your device.

Completely Free Forever

No limits, no premium features, no forced sign-up.

Works Offline

After first load, convert PDFs to PDF/A without internet.

Frequently Asked Questions

Is this PDF to PDF/A converter 100% private? ▼

Yes — fully. All conversion happens locally in your browser. Your PDF never leaves your device.

What is the difference between PDF/A-1b, PDF/A-2b, PDF/A-3b? ▼

PDF/A-1b: Basic visual fidelity (PDF 1.4).
PDF/A-2b: Supports transparency, layers, better compression (PDF 1.7).
PDF/A-3b: Allows embedding any file types (most flexible).

Does it work on scanned/image-only PDFs? ▼

Yes, but PDF/A requires text layer for full compliance. Scanned PDFs remain image-based unless OCR is applied (not included here).

Can I use this tool on mobile? ▼

Yes — fully responsive. Upload and convert PDFs from phones/tablets.

Is there a file size or page limit? ▼

Limited by device memory. Files up to ~50–100 MB and reasonable page counts usually work well.

Does it work offline? ▼

Yes — after the page loads once, libraries are cached and conversion works offline.

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