Acrobat PDF/A - Portable Document Format 4f
Unknowndocument
PDF/A-4 is the file format described by ISO 19005-4:2020 “Document management — Electronic document file format for long-term preservation — Part 4: Use of ISO 32000-2 (PDF/A-4)”. It is the first of the PDF-Archival format family to be based on PDF 2.0. PDF/A-4f allows files of any format to be embedded.
Identify it
| Extensions | .pdf |
|---|---|
| MIME types | application/pdf |
| Signatures | 255044462d322e at byte 0 (PDF/A-4f variant 1) |
| PRONOM | fmt/1912 |
| Wikidata | Q123595865 |
| Library of Congress | fdd000652 |
Not sure your file is this? Identify it from its first bytes, in your browser.
Open it
Listed for the family; check that the software handles this version.
- AudiverisOpen source
- AvogadroOpen source
- CC PDF ConverterOpen source
- CeltxOpen source
- DendroscopeOpen source
- DokielOpen source
- dvipdfmxOpen source
- Eclipse ChemClipseOpen source
- GigaMeshOpen source
- GIMPOpen source
- GNOME PlannerOpen source
- gscan2pdfOpen source
- ImageMagickOpen source
- Integrated Genome BrowserOpen source
- KarbonOpen source
- LibreOfficeOpen source
- LibreOfficeOpen source
- LibreOffice DrawOpen source
- librsvgOpen source
- MatplotlibOpen source
- MuPDFOpen source
- NtEdOpen source
- OCRmyPDFOpen source
- OpaleOpen source
- OpenOffice WriterOpen source
- OrbadaOpen source
- PandocOpen source
- PdfcpuOpen source
- PDFCreatorOpen source
- PDFeditOpen source
- pdfjamOpen source
- pdfTeXOpen source
- phpMyAdminOpen source
- PLplotOpen source
- PotraceOpen source
- Q141647662Open source
- Q141647664Open source
- Q141674354Open source
- Q141674391Open source
- Q2025399Open source
And 263 more in the JSON record.
Convert it
| To | With | Fidelity | Command and losses |
|---|---|---|---|
| Portable Network Graphics | ImageMagick | Lossless | convert in.pdf out.pngPixels kept; some metadata, colour profiles or layers may be dropped. |
| Tagged Image File Format | ImageMagick | Lossless | convert in.pdf out.tifPixels kept; some metadata, colour profiles or layers may be dropped. |
| GIF 89a | ImageMagick | Lossy | convert in.pdf out.gifReduced to 256 colours. |
| JPEG File Interchange Format 1.02 | ImageMagick | Lossy | convert in.pdf out.jpgLossy compression. |
| WebP | ImageMagick | Lossy | convert in.pdf out.webpLossy compression. |
Sources
From PRONOM, Wikidata. Updated 2026-10-20.