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PDF/A Converter

Convert any PDF to PDF/A archival format for long-term preservation and regulatory compliance. Supports PDF/A-1b, PDF/A-2b, and PDF/A-3b — with full XMP metadata embedding, sRGB OutputIntent, and JavaScript stripping. Runs 100% in your browser, no signup required.

PDF/A-1b is the most widely accepted archival format for government and legal submissions.

PDF/A-1b (ISO 19005-1)

The original and most strictly supported standard. Required by many government portals, courts, and archival institutions. Prohibits encryption, transparency, and embedded audio/video.

PDF/A-2b (ISO 19005-2)

Extends PDF/A-1b with support for JPEG 2000 compression, optional content layers (OCG), and digital signatures. Accepted by most modern archival systems.

PDF/A-3b (ISO 19005-3)

Same as PDF/A-2b but allows embedding arbitrary file attachments (e.g. XML invoice data). Used in e-invoicing standards like ZUGFeRD and Factur-X.

The converter embeds PDF/A XMP metadata, adds an sRGB OutputIntent, removes JavaScript actions, and re-saves with an uncompressed cross-reference table — meeting the core structural requirements of PDF/A-1b/2b/3b. All processing runs locally in your browser.

Upload a PDF to get started.

Why Use Our PDF/A Converter?

Three PDF/A Levels Supported

Convert to PDF/A-1b, PDF/A-2b, or PDF/A-3b — the three most widely required ISO archival standards — from a single tool with a simple dropdown selector.

Full XMP Metadata Embedding

The converter writes a standards-compliant XMP metadata packet including the pdfaid:part and pdfaid:conformance markers required by all PDF/A validators.

OutputIntent & JS Stripping

Automatically adds an sRGB color OutputIntent entry and removes JavaScript OpenActions — two of the most common reasons PDFs fail PDF/A compliance checks.

Fully Local — No Server Upload

All conversion runs 100% in your browser using pdf-lib. Your document never leaves your device and is never sent to any external server or cloud service.

Common Use Cases for PDF/A Converter

Government & Tax Submissions

Many government portals and tax authorities mandate PDF/A-1b or PDF/A-2b format for electronic submissions. Convert your documents to meet these requirements instantly.

Legal & Court Filings

Courts in many jurisdictions require evidence bundles, contracts, and pleadings to be submitted in PDF/A format to ensure long-term readability and document authenticity.

Academic & Research Archives

Universities and research institutions require theses, dissertations, and journal submissions to be stored in PDF/A format to guarantee perpetual accessibility.

E-Invoicing Standards

PDF/A-3b is the foundation of ZUGFeRD and Factur-X e-invoicing standards, which embed structured XML invoice data inside a PDF/A-3b compliant file for tax authorities.

Healthcare Records Compliance

Healthcare systems that archive patient records, medical reports, or insurance claims often require PDF/A to ensure documents remain readable across future software versions.

Long-Term Digital Preservation

Libraries, archives, and records management systems use PDF/A to guarantee that documents can be rendered identically decades into the future without dependency on proprietary software.

Understanding PDF/A Conversion

What Is PDF/A?

PDF/A is a family of ISO standards (ISO 19005) that define a subset of the PDF specification designed for long-term digital preservation. Unlike a regular PDF, a PDF/A file must be entirely self-contained — all fonts, color profiles, and metadata must be embedded directly within the file. It must not rely on external resources, encryption, JavaScript, audio, or video. The goal is to ensure the document can be rendered identically on any platform, 10 or 100 years from now, without depending on any specific application or version of software. The pdf/a converter embeds the required XMP metadata, sets an sRGB OutputIntent, and strips prohibited elements to bring your document into conformance.

How the PDF/A Converter Works

  1. Upload your PDF — Drop your file into the upload zone. The tool reads the document structure locally using pdf-lib without uploading anything.
  2. Choose the target standard — Select PDF/A-1b, PDF/A-2b, or PDF/A-3b. The tool embeds the correct XMP metadata packet with the rightpdfaid:part and pdfaid:conformance identifiers, adds an sRGB OutputIntent, and removes JavaScript OpenActions.
  3. Download the converted file — Click Convert. The tool saves the PDF with an uncompressed cross-reference table (required by PDF/A-1b) and triggers an immediate browser download.

What the Converter Changes

  • XMP metadata stream — embeds a standards-compliant packet withpdfaid:part and pdfaid:conformance, plus producer, creator, and modification date fields.
  • OutputIntents — adds an sRGB color intent entry to the PDF catalog, which is required for PDF/A color management compliance.
  • JavaScript actions — catalog-level OpenAction entries of type/JavaScript are removed, as JavaScript is prohibited by all PDF/A levels.
  • Cross-reference table — saved withuseObjectStreams: false to produce an uncompressed xref table, a PDF/A-1b structural requirement.

Privacy, Security & Important Notes

All conversion runs 100% locally in your browser — your document never leaves your device. For full PDF/A conformance, fonts must be embedded in the source document and transparent graphics must be absent. This tool adds the required metadata and structural markers; for documents with unembedded fonts or complex transparency, a dedicated prepress tool may be needed for full validator pass. The converter is completely free with no signup, no file size limits, and no server uploads.

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Frequently Asked Questions About PDF/A Converter

PDF/A-1b (ISO 19005-1) is the original and strictest archival standard — it prohibits transparency, encryption, embedded multimedia, and JavaScript. PDF/A-2b (ISO 19005-2) adds support for JPEG 2000 compression, optional content layers, and digital signatures while maintaining archival integrity. PDF/A-3b (ISO 19005-3) is identical to PDF/A-2b but additionally allows arbitrary file attachments (like XML invoice data), which is required for ZUGFeRD and Factur-X e-invoicing.

The converter adds the required XMP metadata, sRGB OutputIntent, and strips JavaScript — the three most common causes of PDF/A validation failure. However, full conformance also requires that all fonts are embedded in the source document and that transparent objects are absent. If your PDF uses non-embedded fonts or complex transparency effects, some validators may still flag those issues.

Choose PDF/A-1b for the widest compatibility — it is accepted by virtually all government portals, courts, and archival systems worldwide. Choose PDF/A-2b if you need digital signatures or optional content layer support. Choose PDF/A-3b only if you specifically need to embed attached files (such as XML invoice data for ZUGFeRD/Factur-X workflows).

No. The conversion only adds metadata, an OutputIntent entry, and removes prohibited JavaScript actions. All text, images, vector graphics, fonts, page layout, and formatting are completely preserved. The visual output of the converted PDF is identical to the original.

PDF/A prohibits encryption, so encrypted PDFs cannot conform to any PDF/A standard. Remove the password protection first using the Unlock PDF or Remove PDF Password tool, then convert the unprotected document to PDF/A.

No. The entire conversion process runs 100% locally in your browser using pdf-lib. Your document never leaves your device, is never uploaded to any server, and is never shared with any third party. Complete data confidentiality is guaranteed throughout the process.

Yes, completely free with no signup, no account, and no usage limits. Because all processing happens locally in your browser, there are no server infrastructure costs — just upload your PDF, choose the target standard, and download the converted file.