Convert to PDF/A

Convert to PDF/A

Convert to PDF/A is a REST API tool that converts a standard PDF file to one of several target PDF/A formats to meet regulatory compliance requirements and ensure long-term preservation of the document.

Get the best with pdfRest

Top PDF/A Conformance
Extensive research and comparative testing have demonstrated that pdfRest’s technology generates PDF/A documents with the highest success rate among leading PDF technology solutions.

pdfRest’s conversion technology produced perfect conformance to the ISO 19005-2 specifications over 95% of the time, compared to an average of 84% for leading competitors.
Robust Version/Level Support

pdfRest’s Convert to PDF/A supports a wide range of PDF/A conformance versions and levels, including:

  • PDF/A-1b
  • PDF/A-2b
  • PDF/A-2u
  • PDF/A-3b
  • PDF/A-3u
Convert Problem Files

Occasionally a PDF will contain a mix of conditions that make it incompatible with conversion to PDF/A. Most tools will return an error in this situation, but pdfRest offers a fallback plan you can turn on that will rasterize any problematic pages in the document to ensure the file converts successfully and conforms to PDF/A standards.

Start from Code Examples

  1. First, you'll need an API Key - visit Get Started to:
    • Stay anonymous with a Guest API Key for 50 free API Calls
    • Sign up for an upgraded API Key with unlimited, continuous service
  2. Choose your programming language
  3. Copy and paste the code to your project
  4. Update Api-Key field with your unique API Key
  5. Update file with the local path to your input
  6. Run this code to send an API Call
See more code examples in our
GitHub repository
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curl -X POST "" 
  -H "Accept: application/json" 
  -H "Content-Type: multipart/form-data" 
  -H "Api-Key: xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" 
  -F "file=@PATH_TO_FILE/example_file.pdf" 
  -F "output=example_out" 
  -F "output_type=PDF/A-2u"

Customize Your Solution


The file parameter allows you to select a local PDF file to be uploaded to pdfRest’s processing server for conversion.
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