🗄️ PDF to PDF/A Converter
Convert your PDF to PDF/A format for long-term archiving — preserves formatting, embeds fonts and metadata, free and private.
Drag & drop your PDF here, or click to browse
Supports any PDF · Max 100 MB · Processed in your browser
PDF to PDF/A Converter Online — Free Archival PDF Conversion
Need to archive a PDF for the long term, submit a document to a government portal, or comply with an institutional requirement for archival format? Our free PDF to PDF/A converter transforms any PDF into a PDF/A-1b, PDF/A-2b, or PDF/A-3b compliant file — with embedded XMP metadata, white-background page rendering, and a conformance identifier embedded in the document catalog. Download the archival PDF instantly, with no server uploads and no watermarks.
PDF/A is the ISO standard specifically designed to ensure that documents remain readable and fully self-contained decades into the future, regardless of software evolution. Converting to PDF/A is required or strongly recommended by libraries, national archives, courts, universities, tax authorities, and healthcare systems worldwide.
How to Convert PDF to PDF/A — Step by Step
- Upload your PDF — Drag and drop the file into the upload area or click to browse. Files up to 100 MB are supported.
- Choose a conformance level — Select PDF/A-1b for maximum compatibility, PDF/A-2b for modern documents with complex graphics, or PDF/A-3b for documents with embedded attachments.
- Fill in metadata — Enter the document title, author, subject, and keywords. This metadata is embedded in the XMP packet inside the file, which is a requirement of the PDF/A standard.
- Set image quality — Choose 95% for near-lossless output (recommended for archival), or 100% for fully lossless PNG rendering.
- Click "Convert to PDF/A" — Each page is rendered with a solid white background (required by PDF/A — no transparency), metadata is embedded, and the file downloads automatically.
Three PDF/A Conformance Levels
📋 PDF/A-1b (ISO 19005-1)
The original and most widely accepted archival standard, published in 2005. PDF/A-1b (Basic) ensures the visual appearance of the document is preserved. It is required by many government agencies, court systems, national archives, and compliance frameworks worldwide. Choose this level if maximum compatibility and universal acceptance are your primary goals.
📋 PDF/A-2b (ISO 19005-2)
Published in 2011, PDF/A-2b extends the standard to support JPEG2000 compression, transparency layers, and embedded PDF/A files as attachments. It is based on PDF 1.7 and is appropriate for modern documents with complex graphics, layered content, or documents that embed other PDF/A files.
📋 PDF/A-3b (ISO 19005-3)
Published in 2012, PDF/A-3b is identical to PDF/A-2b but allows any file type to be embedded as an attachment — not just PDF/A files. This makes it the standard used in e-invoicing formats such as ZUGFeRD (Germany), Factur-X (France), and similar hybrid invoice standards that embed structured XML data inside a visual PDF.
What Is PDF/A and Why Does It Matter?
📐 Self-Contained by Design
A standard PDF can rely on external fonts, color profiles, and linked content. If those external resources change or disappear over time, the document may no longer render correctly. PDF/A requires that every resource needed to render the document — fonts, color profiles, metadata — is embedded inside the file itself, making it completely self-contained and independent of external systems.
🔒 No Encryption or Active Content
PDF/A prohibits encryption (passwords), JavaScript, audio, video, and other dynamic or proprietary content. This ensures the document can be opened by any future PDF reader without special capabilities or permissions.
📋 Embedded Metadata
PDF/A requires document metadata to be stored in XMP format — a standardized, machine-readable XML structure embedded in the file. This allows automated cataloging, indexing, and retrieval by archive systems decades into the future.
🎨 Device-Independent Color
PDF/A requires all colors to be specified in a device-independent color space (sRGB for screen documents) so the document renders consistently on any display or printer, regardless of device calibration.
Key Features
- Three conformance levels: PDF/A-1b, PDF/A-2b, and PDF/A-3b — each clearly explained with a use-case description.
- XMP metadata embedding: Title, author, subject, and keywords are embedded in a standards-compliant XMP packet.
- Auto title pre-fill: The document title field is pre-populated from the uploaded filename for convenience.
- White background rendering: Each page is rendered on a solid white canvas — required by PDF/A (no transparency).
- Lossless mode: Set quality to 100% to export pages as PNG images for fully lossless archival output.
- Conformance badge in output: The download confirmation shows the conformance level and links to VeraPDF for independent validation.
- 100% browser-based: PDF.js renders pages, jsPDF assembles the output — no data leaves your device.
- No watermarks: The output contains only your original content and embedded metadata.
Common Use Cases
🏛️ Government & Legal Document Submission
Many courts, government agencies, and regulatory bodies in Europe, North America, and elsewhere require PDF/A format for official document submissions. Convert reports, certificates, and filings to PDF/A-1b before uploading to compliance portals.
📚 Library & Archive Deposits
National libraries, university repositories, and institutional archives require PDF/A for digital deposit. Theses, research papers, and official records submitted for long-term preservation must conform to the archival standard.
🏥 Healthcare Record Archiving
Medical records and clinical documents that must be retained for extended periods (often 10–30 years under healthcare regulations) benefit from PDF/A conversion to ensure readability regardless of future software changes.
🧾 E-Invoicing (PDF/A-3b)
ZUGFeRD, Factur-X, and similar hybrid invoice standards require PDF/A-3b — a visual invoice PDF with structured XML data embedded as an attachment. Convert your invoice PDF to PDF/A-3b as the first step in this workflow.
🗂️ Long-Term Business Record Retention
Contracts, financial statements, board minutes, and compliance documents retained under legal hold or regulatory retention schedules should be archived in PDF/A to guarantee accessibility during any future audit or legal review.
Frequently Asked Questions
Is this PDF to PDF/A converter completely free?
Yes. No subscription, no usage limits, no hidden fees. Convert as many PDFs as you need at no cost.
Is my file safe when using this tool?
Completely. Your PDF never leaves your device. All rendering and conversion happens locally in your browser using PDF.js and jsPDF — no data is sent to any server at any point.
Which PDF/A level should I choose?
Choose PDF/A-1b for government submissions, court filings, and any situation where maximum compatibility is required. Choose PDF/A-2b for modern documents with complex graphics or transparency. Choose PDF/A-3b specifically for e-invoicing workflows that require embedded XML attachments.
Will the converted file pass strict ISO 19005 validation?
This tool applies the key PDF/A requirements: white-background rendering, XMP metadata embedding, and conformance identifier. For regulated industries requiring certified compliance, validate the output with VeraPDF (free, open-source) or Adobe Acrobat Preflight to confirm full ISO 19005 conformance.
What is the difference between PDF/A-1a and PDF/A-1b?
PDF/A-1b (Basic) requires that the visual appearance of the document is preserved. PDF/A-1a (Accessible) additionally requires proper tagging for accessibility (logical reading order, alt text for images). This tool produces PDF/A-b (Basic) conformance at all three levels.
Should I use JPEG or PNG quality for archival output?
Set quality to 100% to export pages as lossless PNG images — recommended for the highest-fidelity archival output. At 95% JPEG, the output is visually near-identical and produces a smaller file. For most archival purposes, 95% JPEG is sufficient.
Does the output PDF have a watermark?
No. The output contains only your original PDF content and the embedded XMP metadata you provided — no watermarks, no branding, no added pages.
Does this work on mobile and tablet?
Yes. The tool is fully responsive and works on modern mobile browsers. Large PDFs may take longer to process on lower-powered devices since all rendering happens locally.
Conclusion
Converting a PDF to the archival PDF/A standard should be straightforward, private, and free. With three conformance levels, XMP metadata embedding, lossless rendering mode, white-background page processing, and zero server uploads, this tool covers every common PDF/A conversion scenario directly in the browser.
No watermarks. No registration. No cost. Scroll up, load your PDF, fill in the metadata, and download a standards-compliant archival file in moments.
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