Compare: Version For PDF/A and Its Feature

PDF/A (Portable Document Format Archivable) adalah standar ISO atas penggunaan format PDF untuk penyimpanan dan pengarsipan jangka panjang dokumen digital.

Dibawah ini dilampirkan tabel perbandingan antar versi PDF/A beserta fitur-fiturnya.

	A-1	A-2	A-3	A-4
Terbit	2005	2011	2012	2020
PDF	1.4	1.7	1.7	2.0
Store images in lossless compression	❌	✅	✅	✅
Search Text	❌	✅	✅	✅
Multiple PDF layers	❌	✅	✅	✅
multiple fonts	❌	✅	✅	✅
Transparency	❌	✅	✅	✅
Pagesizes are up to 381km×381km	❌	✅	✅	✅
None PDF/A documents as attachment	❌	❌	✅	✅
Non-static content (JavaScript)	❌	❌	❌	✅

Conformance:

a = accessible (PDF/A-1, PDF/A-2, PDF/A-3)
b = basic (PDF/A-1, PDF/A-2, PDF/A-3)
u = unicode ( PDF/A-3)
f = format? (PDF/A-4)
e = engginering (PDF/A-4)

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Referensi:

1. Nitro PDF – What is PDF/A?
2. pdfa.org (archive) – PDF/A – A Look at the Technical Side
3. PDFEN.com – PDF/A-2 vs PDF/A-1
4. PDFEN.com – PDF/A-3 vs PDF/A-2
5. PDF-Tools.com – PDF/A-4 Overview