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PDF to PDF/A

Convert a PDF into the ISO archival format — fonts and colors embedded for long-term preservation.

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This free tool converts a PDF into PDF/A, the ISO standard for long-term document archiving. Upload your PDF, choose a conformance level, and download a PDF/A file with the fonts, colors and everything needed to display it correctly embedded inside — no signup, no watermark.

PDF/A is a special, self-contained version of PDF designed so a document renders the same way decades from now, no matter what software is used to open it. That's why archives, courts, libraries and many businesses require it. This PDF/A converter supports both PDF/A-2b (the modern, recommended level) and PDF/A-1b (widely required by older systems), so you can create exactly the archival format you need. Files are processed securely and deleted automatically.

How to use it

  1. 1Upload the PDF you want to archive
  2. 2Choose the conformance level — PDF/A-2b or PDF/A-1b
  3. 3Convert and download your PDF/A file
  4. 4Keep it for long-term storage or submission

Key features

  • Free PDF to PDF/A converter — no signup, no watermark
  • PDF/A-2b (modern) and PDF/A-1b (widely required) levels
  • Embeds fonts and colors for reliable long-term display
  • ISO archival format for courts, libraries and records
  • Files processed securely and deleted automatically
  • Works on desktop and mobile — nothing to install

What it does

  • Converts a regular PDF into archival PDF/A
  • Embeds fonts and color information for consistent display
  • Supports PDF/A-2b (recommended) and PDF/A-1b
  • Makes documents suitable for long-term preservation
  • Keeps your original pages and layout intact

What you get

  • An ISO-standard PDF/A file of your document
  • Fonts and colors embedded for consistent rendering
  • Your choice of PDF/A-2b or PDF/A-1b conformance
  • Secure processing with automatic file deletion

Common use cases

  • Prepare a PDF for legal or court e-filing that requires PDF/A
  • Archive records and contracts for long-term preservation
  • Meet a submission requirement for PDF/A-1b or PDF/A-2b
  • Ensure a document looks the same on any future system

Who it's for

  • Businesses and offices archiving important records
  • Legal and government users meeting PDF/A filing rules
  • Anyone who needs an ISO archival copy of a PDF

Before and after

BeforeA normal PDF may rely on fonts that aren't embedded, so it can look different later.
AfterA PDF/A file embeds everything, so it renders the same for years.

Good to know

Why people trust it

How to convert a PDF to PDF/A online

PDF/A is a version of PDF built for archiving. A normal PDF can depend on fonts or resources that live outside the file, which means it might display differently — or break — on another computer years later. PDF/A solves this by embedding everything the document needs to render correctly, so it looks the same far into the future. That reliability is why archives, courts, libraries and record-keeping systems often require PDF/A rather than a standard PDF.

To convert a PDF to PDF/A here, upload your file and pick a conformance level. PDF/A-2b is the modern, recommended choice — it supports newer features like JPEG2000 images and transparency while staying fully archival. PDF/A-1b is the older, stricter level that many long-standing systems and e-filing rules still specifically require. Choose the one your situation calls for; if you're not sure, PDF/A-2b is the safe default.

The conversion embeds the fonts and color profiles into the file and restructures it to meet the ISO PDF/A rules. Your pages, text and layout stay intact — the difference is that the result is now self-contained and preservation-ready. Because certain interactive elements aren't allowed in PDF/A, they may be flattened or removed as part of making the file compliant.

To use it, upload your PDF, choose PDF/A-2b or PDF/A-1b, convert, and download the archival file. It's free, needs no signup, and your files are processed securely and deleted automatically after a short time. It's a simple way to turn an everyday PDF into a proper ISO archival document for long-term storage or submission.

Also known as: pdf/a converter, convert pdf to pdfa, archival pdf, iso pdf/a, make pdf archival.

Frequently asked questions

How do I convert a PDF to PDF/A online?

Upload your PDF, choose a conformance level (PDF/A-2b or PDF/A-1b), then convert and download the archival file. It's free, with no signup or watermark.

What is PDF/A and why do I need it?

PDF/A is the ISO standard for archiving. It embeds fonts and colors so a document renders the same for years, no matter what software opens it. Archives, courts and record systems often require it for long-term storage.

What's the difference between PDF/A-1b and PDF/A-2b?

PDF/A-1b is the older, stricter level required by many long-standing systems. PDF/A-2b is the modern level that adds support for features like JPEG2000 and transparency. If you're unsure, PDF/A-2b is the recommended default.

Will my PDF look the same after conversion?

Yes. Your pages, text and layout stay intact. The conversion embeds fonts and colors so the document displays consistently; some restricted interactive features may be flattened to meet the standard.

Is the PDF/A file bigger than my original?

Often slightly, because PDF/A embeds all fonts and assets into the file so nothing is missing later. The size increase is usually modest and is what makes the file preservation-ready.

Are my files safe?

Yes. Files are processed securely and deleted automatically after a short time. Nothing is stored long-term or shared with third parties.

Is it free to convert PDF to PDF/A?

Yes. Converting a PDF to PDF/A here is completely free, with no signup and no watermark, on desktop and mobile.

🔒 Processed privately on the server 🗑️ Files deleted automatically 🚫 Never shared with third parties