Government agencies, courts, and university libraries require PDF/A compliance for long-term document archiving. OmniTool Hub converts standard PDFs into self-contained PDF/A documents by embedding all font glyphs, adding standardized ICC color profiles, and stripping banned non-archival features.
Key Property Parameters & Specifications
| Conformance Level | Primary Requirement | Target Domain |
|---|---|---|
| PDF/A-1b (Basic) | Visual preservation, embedded fonts, device-independent colors | Standard legal filings, tax archives, and corporate records |
| PDF/A-2b (Modern) | Supports JPEG2000, transparency, and PDF file attachments | Modern graphic-rich manuals, brochures, and architectural plans |
| Font Embedding Rule | ALL font character glyphs must be embedded in the file | Guarantees text renders identically decades in the future |
| No External References | Forbids external URLs, audio, video, and JavaScript execution | Eliminates security risks and broken external link dependencies |
Implementation Guide & Technical Reference
Injecting XMP PDF/A Identification Schema
const xmpMetadata = `
1
B
`;
pdfDoc.setMetadata(xmpMetadata);Embedding ISO 19005 identification.
Frequently Asked Questions (FAQ)
What is the main difference between standard PDF and PDF/A?
Standard PDFs can rely on external system fonts and JavaScript. PDF/A strictly forbids external dependencies, requiring all fonts, color profiles, and metadata to be permanently self-contained.
Why do courts and government registries require PDF/A?
PDF/A guarantees that the document will display and print with 100% visual fidelity 20, 50, or 100 years into the future regardless of changing operating systems.
Does converting to PDF/A increase file size?
It may slightly increase file size due to embedding font metrics and ICC color profiles, but the increase is typically modest.
Is an internet connection needed for PDF/A conversion?
No. All XMP metadata injections and font checks run client-side in your browser.