Convert PDF files to PDF/A format

Completely free on-line No restrictions
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How to convert PDF to PDF/A

How to convert PDF to PDF/A

Convert your PDF to PDF/A online in just 4 simple steps!

  1. Click the Select File button or drag the file to the box above to upload the PDF file
  2. Click the Convert to PDF/A button to convert PDF/A to PDF
  3. Wait a few seconds or minutes, click the download button to download the file
  4. Or you can choose our other PDF tools, such as PDF splitting, PDF compression or water printing

Excellent online pdf to PDF/A tool PDF88

  • A completely free pdf to PDF/A tool

    Completely free

    We provide free pdf to PDF/A, without any hidden fees, and without the need to register, pay, log in and other cumbersome operations, you can use it directly!

  • Easy to use pdf to PDF/A

    Easy to use

    It only takes four simple steps to convert PDF to PDF/A format without downloading software

  • The best online pdf to PDF/A platform

    The best pdf to PDF/A online tool

    You can upload multiple PDF files and convert them to PDF/A. The converted PDF/A will maintain the original PDF layout without distortion!

  • Fast conversion speed

    Superior performance

    Dozens of megabytes and hundreds of pages of PDF files can be transferred from pdf to PDF/A within seconds without waiting for a long time

  • PDF to PDF/A safe


    Our server does not save any of your data. After processing, it will be deleted immediately. You need to upload it again next time

  • Leading technology

    Leading technology

    The industry-leading PDF technology solution, PDF to PDF/A without loss of quality, rich features, more functions to unlock

Online PDF to PDF/A FAQ

  • Is your PDF to PDF/A tool free?

    you 're right! All tools of PDF88, including PDF to PDF/A tools, are free to use.

  • Which PDF/A formats do you support

    We support eight common PDFA formats, such as pdf-1a, pdf-2a, pdf-3u, etc

  • Is your PDF to PDF/A tool safe?

    PDF88 attaches great importance to the data security of users. Security makes us first consider and focus on safeguarding
    All data transmission channels are encrypted with SSL256, and other people cannot steal the data in them
    After processing, we will delete your files from the server immediately! Instant transfer and use, each PDF processing is a one-time use