What does PDF to BMP do?

It renders each PDF page as an uncompressed BMP image. BMP stores raw pixel data with zero compression — no quality loss of any kind.

Is my PDF uploaded to a server?

No. The rendering runs in your browser. Your file stays on your device.

Why are the files so large?

BMP is uncompressed. Every pixel is stored individually. That’s the point — no compression means no quality loss. If size is a concern, use PNG or JPG instead.

When would I use BMP instead of PNG?

When a legacy system, industrial equipment, or data processing pipeline specifically requires BMP input. For general use, PNG is a better choice — it’s lossless too but compressed.

Can I select specific pages?

Yes. Enter a page range to export only the pages you need.

What DPI options are available?

72, 150, 200, and 300 DPI. Higher DPI means more pixels and larger files.

Does it work with password-protected PDFs?

Yes. You’ll be prompted for the password. Decryption happens locally in your browser.

Can I do this on my phone?

Yes, though be mindful of file sizes. BMP files at high DPI can be very large, which may strain mobile storage.

แปลง PDF เป็น BMP

ส่งออกหน้าเอกสาร PDF เป็นไฟล์ภาพบิตแมป BMP แบบไม่บีบอัด

1. Select PDF

Select a PDF file from your device. All processing happens locally in your browser.

2. Configure export

Choose DPI and select which pages to export as BMP.

3. Download

Get your BMP images bundled in a ZIP archive.

About PDF to BMP

How PDF to BMP Export Works

BMP is the simplest image format there is — raw, uncompressed pixel data. This tool renders each PDF page at your chosen DPI and saves it as a BMP file. No compression, no quality loss, no encoding artifacts. What you see on the PDF page is exactly what you get in the image.

One page makes one BMP file. Multiple pages get zipped. The whole thing runs in your browser without uploading anything.

Why BMP Still Matters

BMP isn’t trendy. It’s old, it’s big, and it’s the last thing you’d put on a website. But there are real situations where nothing else works.

Legacy Systems

Some industrial equipment, medical imaging systems, and embedded hardware only accept BMP input. If the system says BMP, you give it BMP.

Raw Data Processing

Computer vision pipelines and scientific imaging tools sometimes need uncompressed pixel data. BMP gives them that without decoding overhead.

Specialized Printing

Certain label printers, engraving machines, and CNC plotters require uncompressed bitmap input for accurate reproduction.

Pixel-Perfect Archives

When you need a bit-for-bit faithful representation of a page with zero compression artifacts, BMP is the only format that guarantees it.

How It Compares

ฟีเจอร์	Adobe Acrobat	Zamzar
BMP output format
DPI control
Page range selection
Uncompressed raw output
No file upload required	Desktop only
Free to use		Limited

File Size Warning

BMP files are large. Uncompressed means every pixel is stored individually. A single page at 300 DPI can produce a file of 25 MB or more. If you don’t specifically need uncompressed output, use PNG (lossless but compressed) or JPEG (lossy but tiny).

That said, if you’re feeding a legacy system or a scientific pipeline, the size is the point. No decoder, no compression surprises, just raw pixel data.

Privacy: Local Processing Only

Your PDF is rendered in your browser. Nothing gets sent to a server. Close the tab and the data is gone. Whether it’s medical imaging, engineering drawings, or classified documents, the file stays on your machine.