Why are the files so large?

BMP stores every pixel uncompressed, so the size grows with the square of the DPI. A single A4 page at 300 DPI comes to about 26 MB, which is normal for the format rather than a fault.

When would I choose BMP over PNG?

Almost only when something downstream demands it. PNG is lossless too and a fraction of the size, so BMP is a compatibility choice rather than a quality one.

What DPI should I use?

Pick by the pixel size the destination needs. An A4 page comes out at about 595 × 841 pixels at 72 DPI, 1240 × 1753 at 150 and 2480 × 3507 at 300. The two lower settings suit screens, 300 suits print, and going beyond what the destination can reproduce only inflates the file.

PDF to BMP | Cine Power Planner

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About PDF to BMP

PDF to BMP renders pages as uncompressed Windows bitmap images at a resolution you choose. BMP applies no compression at all, which makes the files large but guarantees that no lossy artefacts are introduced anywhere in the pipeline.

Pages are rasterised on a canvas inside the browser tab and saved straight to your device, without passing through a server.

How to use PDF to BMP

Open a PDF and choose all pages or a specific range.
Set the DPI. Higher values give more detail and much larger files, since nothing is compressed.
Render the pages.
Download the result — a single BMP for one page, or a ZIP with one bitmap per page.

On a production

Some signage controllers and older display hardware accept only BMP, and will silently refuse anything else. When a running order has to appear on a legacy screen at a venue, matching the format the hardware demands is not a preference but a requirement.

Frequently asked questions

Why are the files so large?: BMP stores every pixel uncompressed, so the size grows with the square of the DPI. A single A4 page at 300 DPI comes to about 26 MB, which is normal for the format rather than a fault.
When would I choose BMP over PNG?: Almost only when something downstream demands it. PNG is lossless too and a fraction of the size, so BMP is a compatibility choice rather than a quality one.
What DPI should I use?: Pick by the pixel size the destination needs. An A4 page comes out at about 595 × 841 pixels at 72 DPI, 1240 × 1753 at 150 and 2480 × 3507 at 300. The two lower settings suit screens, 300 suits print, and going beyond what the destination can reproduce only inflates the file.