Convert PDF to PDF/A (Basic Optimization)

This tool provides basic PDF optimization and cleanup. For true ISO-compliant PDF/A conversion, please see the compliance options page linked above.

Maximum file size: 100MB
About PDF/A
What is PDF/A?

PDF/A is an ISO-standardized version of PDF specialized for use in the archiving and long-term preservation of electronic documents.

Benefits:
  • Long-term preservation
  • Self-contained documents
  • Predictable rendering
  • Compliance with archival standards
Compliance Levels:
  • PDF/A-1B: Basic compliance, visual reproduction
  • PDF/A-1A: Full compliance, tagged PDF
  • PDF/A-2B: Enhanced features, transparency
  • PDF/A-2A: Enhanced with full tagging
  • PDF/A-3B: Embedded files support
  • PDF/A-3A: Embedded files with tagging

PDF Clinic's PDF to PDF/A tool helps you convert documents to archival PDF/A format. Whether you need to regulators or archives require long-term preservation format or you are submitting records management packages, you can complete the job in your browser on desktop, tablet, or phone. Files are transferred over encrypted connections, processed on our servers, and removed according to our retention policy so your documents are not kept longer than necessary.

What this tool does

The PDF to PDF/A feature is built for everyday document work: convert documents to archival PDF/A format

Upload one or more files, adjust the options shown for your task, and download the result when processing finishes. Registered accounts may have higher file-size and daily operation limits for heavier workloads.

When to use it

Choose PDF to PDF/A when regulators or archives require long-term preservation format. It is also a practical choice when you are submitting records management packages.

Students, freelancers, HR teams, and finance departments use PDF Clinic to avoid desktop software licenses while keeping a consistent workflow across devices.

How to get the best results

Validate output with your recipient's compliance checklist.

How it works

  1. Open the PDF to PDF/A page and select or drag your file(s) into the upload area.
  2. Review any options (page range, quality, output format) shown for your task.
  3. Start processing and wait for the progress indicator to complete.
  4. Download your file and verify the output before sharing it externally.

Frequently asked questions

Yes. PDF Clinic is free to use. Anonymous and registered accounts may have different daily limits on file size and number of operations; sign in to see your limits on the upload screen.
No. Uploaded files are kept only as long as needed to complete your request and are deleted automatically within 24 hours under our retention policy.
No. PDF Clinic runs entirely in your web browser.
Supported inputs depend on the tool; most PDF tools accept standard PDF files. Converters also accept Office or image formats listed on the upload screen.

Related guides

Convert PDF to PDF/A for Archiving