MergePDF
Merge PDF

PDF to PDF/A

Convert a PDF to PDF/A-2B, the ISO archival standard, so it stays readable and consistent for the long term.

PDF · Up to 50MB per file

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Convert a PDF to PDF/A for long-term archiving

Upload a PDF and get back a PDF/A-2B file built to the ISO standard for long-term document preservation.

1

Upload Your PDF

Add the PDF you need in an archival-ready format.

2

We Convert to PDF/A-2B

Our converter processes the file with Ghostscript, converting colors to RGB and embedding the output intent profile the PDF/A-2B standard requires.

3

Download Your File

Download your PDF/A file, ready to store or submit to institutions that require the archival format.

Built for Long-Term Preservation

Everything you need to make a PDF archive-ready.

Enterprise Security

Your files are encrypted with 256-bit SSL and removed from our servers automatically after conversion.

ISO-Standard Output

The result conforms to PDF/A-2B, an ISO standard designed so documents render identically no matter what software opens them years from now.

Embedded Output Intent

A color output profile is embedded directly in the file, a core requirement for a document to be considered valid PDF/A.

Unlimited Usage

No file limits and no hidden fees. Convert as many PDFs to PDF/A as you need, in a single batch.

Validated Output

Every converted file is checked to confirm it contains a valid PDF/A output intent before it's returned to you.

Cross-Platform

Works in any modern browser on Windows, Mac, Linux, and mobile devices, with no software to install.

Solutions for Every Need

People convert to PDF/A for records that need to last.

Archivists and Librarians

Convert digitized records and documents into PDF/A so they remain accessible in institutional archives for decades.

Legal and Compliance Teams

Prepare contracts and filings in a format that some courts and regulators specifically require for long-term retention.

Government and Public Sector Staff

Convert official documents to PDF/A to meet agency recordkeeping policies before they're filed or submitted.

Frequently Asked Questions

What is PDF/A?

PDF/A is an ISO-standardized version of PDF designed specifically for long-term archiving, ensuring a document looks the same no matter what software or hardware opens it in the future.

Which PDF/A version does this tool produce?

Files are converted to PDF/A-2B, one of the most widely accepted PDF/A conformance levels.

Will the colors in my document change?

Colors are converted to the RGB color space as part of meeting the PDF/A-2B requirements. Most documents look the same, though very color-precise print files may see a slight shift.

Can I convert multiple PDFs to PDF/A at once?

Yes. Upload several files and each one is converted and returned together in a single zip download.

What happens if a file can't be converted?

If the file cannot be verified as valid PDF/A after conversion, it's excluded from your download rather than returned in a broken state.

Is it safe to upload confidential documents?

Yes. All uploads happen over an encrypted connection, and both the source file and the converted PDF/A file are automatically deleted from our servers after processing.

Is converting to PDF/A really free?

Yes. There is no cost, no subscription, and no account required.

Can I convert PDF/A back to a regular PDF?

A PDF/A file is still a standard PDF and opens normally in any PDF reader. There's no separate conversion needed to use it like any other PDF.