PdfWox

Convert BMP images to PDF

Combine BMP bitmaps into a single PDF in your browser. Reorder, choose page size, no upload required.

Files are processed entirely in your browser. Nothing is uploaded to any server.

About this tool

BMP — Bitmap — is one of the oldest image formats in use. It stores pixel data without compression, which means every pixel is recorded exactly, with no quality loss whatsoever. That makes it common in certain technical and legacy workflows: screenshots from older Windows utilities, exports from scientific instruments, and output from older industrial imaging software often arrive as BMP files.

BMP to PDF converts these uncompressed bitmaps into a PDF document that any modern reader can open. Because BMP files are large by nature, they are converted to JPEG inside the PDF to produce a practical file size, while maintaining visually equivalent quality. Arrange multiple BMPs into the order you need, choose your page dimensions, and download.

Mixing BMP with other formats in the same PDF is supported — add JPG, PNG, or WebP files alongside your BMPs and they will all be combined in sequence. No upload is required; the entire conversion happens in your browser.

How it works

  1. 1

    Drop BMPs

    Pick one or many BMP files.

  2. 2

    Order pages

    Drag to reorder. Set the page size.

  3. 3

    Download PDF

    Click Make PDF to download.

Frequently asked questions

Are my files uploaded?
No. Conversion runs in your browser.
Why is BMP rare?
BMP is uncompressed. Files are large, but the decode is exact — every pixel survives.
Page size?
Choose A4, Letter, or fit-to-image.
Compression after conversion?
BMPs are converted to JPEG inside the PDF for reasonable file size.
Mix with other formats?
Yes — JPG, PNG, WebP, GIF all in one PDF.

Related tools

PNG to PDF

Combine PNG images into one PDF.

JPG to PDF

Combine JPG photos into one PDF.

WebP to PDF

Combine WebP images into one PDF.

GIF to PDF

Combine GIF images into one PDF.

HEIC to PDF

Make a PDF from iPhone HEIC photos.

Embed this tool

Let your visitors use BMP to PDF without leaving your site. Paste the snippet below into any HTML page. Files stay private — everything runs in the visitor's browser.

<iframe
  src="https://pdfwox.com/embed/bmp-to-pdf"
  width="100%"
  height="600"
  style="border:none;border-radius:8px"
  title="bmp-to-pdf tool"
  allow="downloads"
  loading="lazy"
></iframe>
<script>
window.addEventListener('message',function(e){
  if(e.data&&e.data.type==='privpdf-resize'){
    var f=document.querySelector('iframe[src="https://pdfwox.com/embed/bmp-to-pdf"]');
    if(f)f.style.height=e.data.height+'px';
  }
});
</script>

The embed runs entirely in the visitor's browser — no files are uploaded. The iframe resizes automatically to fit its content via postMessage.

Deeper guide

Read the full how-to

Open the guide