Free PDF Tool · Archival

PDF to PDF/A-style

Create a best-effort PDF/A-style output (not certified PDF/A) in your browser. Produces a PDF/A-style approximation; for certified output, use Acrobat or veraPDF.

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Drop your file here

or click to browse from your device

Accepts: .PDF
Note: True PDF/A compliance requires embedded fonts, ICC color profile, and XMP metadata — beyond what browsers can do reliably. This tool creates a browser-made PDF/A-style approximation and writes simple PDF/A-style producer/subject markers. It is not certified PDF/A and may fail preflight checks. For certified archival, use Adobe Acrobat or veraPDF.

About this PDF to PDF/A-style

Convert your PDF to a PDF/A-style archival format with our pdf to pdf/a tool. PDF/A is the ISO standard for long-term document preservation, used by government archives, libraries, and legal systems.

Honest disclaimer: True PDF/A compliance requires embedded fonts, ICC colour profile, and XMP metadata — beyond what browsers can reliably do. This tool creates a browser-made PDF/A-style approximation and writes simple PDF/A-style producer/subject markers. It is not certified PDF/A and may fail preflight checks. For certified archival, use Adobe Acrobat Pro or veraPDF.

Your privacy is the default. Your selected files are processed in your browser and are not uploaded to our server; all processing happens client-side using PDF.js for page rendering and pdf-lib for browser-side PDF output. Closing the tab clears the working session from this page; downloaded files remain on your device.

This tool is free to use with no signup required. Large files may be limited by your browser’s memory and device performance. Part of PDF Tools Base, a privacy-first collection of 161 PDF utilities. Bookmark the page for next time, and explore related tools in the footer below.

How to use the PDF to PDF/A-style tool

  1. Drop your PDF.
  2. Choose the PDF/A marker label for the output filename/subject.
  3. Click Process — pages are rasterized or re-saved with PDF/A-style markers.
  4. Download the PDF/A-styled output.

Why use PDF Tools Base?

100% Browser-Based

PDF to PDF/A-style Converter – Archival-Style Output processes selected files in your browser. Your selected files are processed in your browser and are not uploaded to our server.

No Server Upload, No Signup

Your selected files are processed locally in your browser. No account, no server upload, no email needed.

No Watermark Ever

Outputs are clean. We never stamp our brand or a paywall watermark on your files.

Free to Use

No accounts and no signup. Use the tool as much as you need within reasonable browser limits.

Works on Every Device

Windows, Mac, Linux, iPhone, iPad, Android, Chromebook. Any modern browser.

Built on Open Source

Powered by PDF.js and pdf-lib for browser-side PDF/A-style output.

Common uses for pdf to pdf/a

Long-term archive

PDF/A is a recognised archival format; this browser tool creates a best-effort PDF/A-style output only. Validate with veraPDF or Acrobat Preflight before archival submission.

Government submission

Some agencies require certified PDF/A; validate with veraPDF or Acrobat Preflight.

Legal records

PDF/A is the format of choice for many courts.

Frequently asked questions

Is PDF to PDF/A-style Converter – Archival-Style Output safe to use?

Yes. Everything happens in your browser. Your selected files are processed in your browser and are not uploaded to our server. Closing the tab clears the working session from this page; downloaded outputs remain on your device until you delete them.

Do I need to register or sign in?

No. No account, no email, no sign-up. Open the page and start using the tool immediately. Free to use, no signup needed.

Is there a watermark on the output?

No. PDF Tools Base never adds a watermark or branding to your output. Your final file is clean — just what you produced from the original.

Is there a file size limit?

Phones may struggle with PDFs over 50–100MB; desktops may handle larger PDFs but can still fail on very large or complex files. Large PDFs may be slow or fail depending on browser memory, page count, render mode, and PDF complexity.

Does this work on mobile devices?

Yes. The tool works on all modern mobile browsers: Chrome on Android, Safari on iOS, Firefox, Edge, Brave. The drag-and-drop also accepts files from your phone’s file manager.