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Drop BMP files here

Supports .bmp — all color depths (1-bit, 8-bit, 24-bit, 32-bit)
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Why Use Our BMP to PDF Tool?

Native BMP decoding — all color depths supported, no quality loss.

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All Color Depths

Handles 1-bit monochrome, 8-bit indexed, 24-bit RGB, and 32-bit RGBA BMP files with full fidelity.

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100% Private

BMP files are decoded in your browser using HTML5 Canvas. Nothing is ever sent to a server.

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Flexible Layout

A4, Letter, A3, A5, Legal — choose page size, orientation, margin, and image fit to suit your workflow.

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Batch Convert

Load dozens of BMP files at once and merge them all into one perfectly ordered PDF in seconds.

How It Works

Three Simple Steps

Upload BMP Files

Drag & drop or browse to select one or more .bmp bitmap images from your device.

Customize Settings

Choose page size, orientation, margin, and background color for 1-bit monochrome BMPs.

Download PDF

Click Convert and download your merged, ready-to-share PDF in seconds — completely free.

Frequently Asked Questions

Does this support all BMP color depths?

Yes. The tool uses the browser's native image decoding which handles 1-bit monochrome, 4-bit, 8-bit indexed, 16-bit, 24-bit, and 32-bit BMP files.

Are my BMP files uploaded to a server?

No. All conversion is done entirely in your browser using JavaScript and HTML5 Canvas. Your files never leave your device.

Can I convert multiple BMP files into one PDF?

Yes. Select multiple files and they will all be merged into a single PDF in the order uploaded. You can reorder by removing and re-adding files.

Why is the PDF file larger than the original BMP?

PDF embeds the image as PNG internally (lossless). BMP files are uncompressed raw bitmaps, so the resulting PDF size is similar. Enable compression by choosing JPEG quality in future updates.

Is there a file size limit?

There is no enforced limit — it depends on your device memory. Large BMP files (e.g. 50MB+) may take a few seconds to decode. For best performance, batch 20–30 files at a time.

BMP to PDF Converter — Complete Guide

BMP (Bitmap) files are uncompressed image files common in Windows applications, legacy software, and screen captures. Converting BMP to PDF creates a compressed, shareable document that is dramatically smaller than the raw BMP while preserving image quality.

💡 BMP files are large

Uncompressed BMP files can be enormous. Converting to PDF dramatically reduces file size, making them practical to share.

💡 Batch convert multiple BMPs

Upload several BMP files at once and combine them into a single PDF document.

💡 Legacy software output

Many older applications save images exclusively as BMP. Convert these to PDF for modern compatibility.

💡 Windows Paint exports

Images created or edited in Microsoft Paint default to BMP. Convert to PDF for easy sharing outside of Windows.

BMP is one of the oldest image file formats, defined by Microsoft for use in the Windows operating system. Unlike JPG or PNG, BMP files store pixel data with minimal or no compression, resulting in very large file sizes. A full-color 1920×1080 BMP file can be over 6MB, compared to under 1MB for a comparable JPG. Our converter processes BMP files using the HTML5 Canvas API and generates a properly compressed PDF, reducing file size by 80-95% while maintaining visual quality. The resulting PDF can be opened on any device without special software.