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PostScript (PS) is Adobe's page description language, a Turing-complete programming language designed to describe the appearance of printed pages with mathematical precision. PostScript files contain vector graphics, text with embedded fonts, and rasterized images, all described through a stack-based programming syntax. PS was the dominant language for professional printing from the 1980s through the 2000s before PDF largely replaced it. BMP (Bitmap Image) is Windows' native uncompressed raster image format, storing pixel data without any lossy compression.
Converting PS to BMP rasterizes a PostScript page description into an uncompressed bitmap image. This conversion is needed when PostScript artwork, technical drawings, or print-ready pages need to be used in contexts that require raster image files — image editors, web pages, presentations, or applications that cannot interpret PostScript commands.
PostScript files cannot be viewed by most modern applications — they require a PostScript interpreter (like Ghostscript) or a professional prepress RIP. Converting PS to BMP creates a universally viewable image that any computer, phone, or web browser can display. BMP's uncompressed nature means zero quality loss from the rasterization, preserving every pixel of the rendered output.
Legacy print archives often contain thousands of PS files from prepress workflows of the 1990s and 2000s. These archives need to be migrated to modern image formats for viewing, cataloging, and integration into digital asset management systems. BMP serves as a lossless intermediate format that can be further converted to PNG, JPEG, or TIFF as needed.
Ghostscript interprets the PostScript program, executing all drawing commands (moveto, lineto, curveto, show, image), font rendering, color operations, and compositing. The result is a rasterized bitmap at the specified resolution (DPI). This bitmap is then written to BMP format using Windows Bitmap File Format (DIB) with 24-bit RGB color depth and no compression. Ghostscript handles PostScript's full feature set: Level 1/2/3 operations, Type 1 and TrueType fonts, color management (CMYK-to-RGB conversion), transparency, gradients, and clipping paths. The rasterization resolution is configurable — 72 DPI for screen viewing, 150 DPI for standard quality, 300 DPI for print-quality output.
The rasterized BMP output faithfully represents the visual appearance of the PostScript page at the specified resolution. Since BMP is uncompressed, there are no compression artifacts — the quality is determined entirely by the rasterization resolution. At 300 DPI, vector text and line art render with excellent sharpness. At 72 DPI (screen resolution), fine details may appear pixelated. PostScript's CMYK color space is converted to RGB for BMP, which may cause subtle color shifts in process-color artwork. For color-critical work, verify the RGB conversion meets your requirements.
| Device | PS | BMP |
|---|---|---|
| Windows PC | Partial | Native |
| macOS | Partial | Partial |
| iPhone/iPad | Partial | Partial |
| Android | Partial | Partial |
| Linux | Partial | Partial |
| Web Browser | No |
PS-to-BMP conversion rasterizes PostScript page descriptions into uncompressed bitmap images, providing a lossless path from vector print content to universally viewable raster format.
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Mindenhol mukodik
| No |
Barmely bongeszo, barmely eszkoz
| Jellemzo | PS | BMP |
|---|---|---|
| Teljes nev | PostScript | Bitmap Image |
| Kiterjesztes | .ps | .bmp |
| Leginkabb ajanlott | Page description language | Uncompressed |