PDF/A Conversion Online — Free, Fast & Secure
Convert your PDF files to ISO-standardized PDF/A format for long-term archiving and preservation. Ensures documents remain readable for decades. Our pdf/a conversion tool works entirely in your browser — no software installation required. Your files are encrypted with 256-bit SSL and automatically deleted after processing. No signup or account needed.
Whether you're on Windows, Mac, Linux, iPhone, or Android — our pdf/a conversion tool works perfectly on any device with a web browser. Process .PDF files up to 100 MB for free, or upgrade to Premium for files up to 4 GB with batch processing.
Why use our pdf/a conversion tool?
- ✓PDF/A-1b compliance
- ✓Long-term preservation
- ✓Font embedding
- ✓Color space conversion
- ✓100% free — no registration required
- ✓Works on all devices and browsers
- ✓Files are encrypted and auto-deleted for your privacy
Frequently Asked Questions
Is pdf/a conversion free?
Yes! Our pdf/a conversion tool is completely free for files up to 100 MB with up to 1 file per task. No signup, no credit card, no hidden fees.
Is it safe to pdf/a conversion online?
Absolutely. All files are transferred over encrypted HTTPS connections. We process your files securely and automatically delete them within 2 hours. Your documents are never shared or accessed by anyone.
What is the maximum file size?
Free users can process files up to 100 MB. Premium users enjoy increased limits up to 4 GB per file, plus batch processing for up to 10 files at once.
Does it work on mobile devices?
Yes, our pdf/a conversion tool is fully responsive and works on smartphones, tablets, laptops, and desktops. No app download required — just open your browser and start processing.