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Convert PDF to PDF/A
Create an archival, ISO-standard PDF/A for long-term preservation.
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PDF/A Version
PDF/A-2b
Modern, widely compatible
Recommended
PDF/A-1a
Strict accessibility (tagged), ISO 19005-1
PDF/A-1b
Basic visual fidelity, maximum compatibility
PDF/A-2a
Accessible (tagged), supports JPEG2000 and layers
PDF/A-2b
Modern, widely compatible, no tagging required
Recommended
PDF/A-2u
Unicode-mapped — searchable extracted text
PDF/A-3a
Accessible + file attachments allowed
PDF/A-3b
Basic + supports embedded attachments
PDF/A-3u
Unicode-mapped + supports attachments
Color Profile
sRGB
Standard screen/web
sRGB
IEC 61966-2.1 — screen/web color
CMYK
Print-targeted archival
Grayscale
Black & white archival
Convert to PDF/A
PDF/A-2b, sRGB
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