Acrobat PDF/X - Portable Document Format - Exchange 1:2001
Unknowndocument · also known as PDF/X-1:2001
This 'exchange standard' format is based on Adobe's PDF specification and a subset of the PDF specification. This version was an updated version of PDF/X-1:1999, and was based on PDF 1.3. It was superseded in 2003 by PDF/X-1a and PDF/X-3, at which point it was recommended that PDF/X-1 no longer be used. PDF/X-1 is the only PDF/X standard permitting encryption.
Identify it
| Extensions | .pdf |
|---|---|
| MIME types | application/pdf |
| Signatures | 255044462d312e33 at byte 0 (PDF/X-1:2001) |
| PRONOM | fmt/145 |
| Wikidata | Q29946713 |
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Open it
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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.