File Converter

Convert PDF To BMP

Convert PDF pages into BMP image format easily for graphic editing, printing, or image processing tasks.

one BMP per page 72–600 DPI 24-bit & 8-bit colour page range selection live thumbnail grid free forever
pdf-to-bmp · render · per-page · dpi-control · batch · browser-native · jpg2go.com

Drop PDF files here

Convert PDF pages into BMP image format easily for graphic editing, printing, or image processing tasks.

PDF only · batch supported
Loading PDF…
Parsing PDF structure
Rendering pages to canvas
Encoding BMP pixel data
Packaging BMP files
Converted BMPs 0 files
BMP files:
DPI:
Colour:
Background:

How to Convert PDF to BMP

Four steps. Live page thumbnails. Download-ready in seconds.

01
Upload PDFs
Drag & drop one or more PDF files. Every page is rendered as a thumbnail in the live preview grid — verify page count, layout, and order before converting.
batch support
02
Choose Quality & Options
Pick a DPI preset — Screen (72), Web (150), Print (300), HiRes (600). Set colour depth (24-bit, 8-bit, or 1-bit), page range, and background colour.
full control
03
Convert
Click Convert to BMP — each PDF page is rendered to canvas via PDF.js at your chosen DPI, then encoded as a standard Windows BMP file with correct header, DIB, and pixel data.
client-side only
04
Download BMPs
Download individual BMP files or grab the full set as a ZIP archive. Files are named with page numbers. No watermark, no page cap, ever.
ZIP download
Start Converting free · no signup · no upload

Why Use PDF to BMP Converter?

A PDF to BMP converter is designed for users who need to transform document pages into detailed bitmap images. BMP files store image data without heavy compression, which means they maintain high visual accuracy. This makes them useful when working with graphics, diagrams, or technical documents extracted from PDFs.

Another benefit of using BMP format is that it retains maximum image clarity, making it suitable for editing in graphic design or photo editing software. When a PDF page is converted to BMP, every visual element becomes easier to manipulate or enhance.

This tool is particularly helpful for designers, educators, and professionals who want to reuse document visuals in presentations, design projects, or educational materials while maintaining high image quality.


Features

Everything in One PDF to BMP Converter

🖼️
One BMP Per Page
Each PDF page becomes its own BMP file, named with the page number — ready for import into imaging pipelines, Windows apps, or icon editors that require individual page images.
🎨
Colour Depth Control
Choose 24-bit true colour, 8-bit indexed (256 colours), or 1-bit monochrome. Each mode produces a valid BMP with the correct header, palette table, and pixel encoding.
🔬
72–600 DPI Control
Four presets — Screen, Web, Print, HiRes — plus a continuous slider. Higher DPI produces larger, sharper BMPs. The DPI value is stored in the BMP header for correct physical size rendering.
📋
Page Range Selection
Convert only the pages you need — enter a From/To range to extract a chapter or spread from a large document without processing every page.
📦
Batch Conversion
Queue multiple PDFs and convert them all in one pass — each file produces a set of numbered BMPs, all collected in a single ZIP archive for download.
🖥️
Live Thumbnail Grid
All pages are rendered as thumbnails before conversion — verify content, spot blank pages, and click any thumbnail to zoom to full size in the lightbox viewer.
Uncompressed Output
BMP files contain no lossy compression — every pixel is stored exactly as rendered. Ideal for machine vision, OCR pre-processing, and any workflow that cannot tolerate JPEG artefacts.
🔒
100% Private
PDF.js renders your document entirely in browser memory — your PDF never leaves your device. No upload, no cloud processing, no data retention of any kind.
DPI & File Size Reference

Choosing the Right DPI for BMP Output

BMP files are uncompressed — file size scales directly with the number of pixels. A 24-bit BMP at 300 DPI for an A4 page will be approximately 21 MB. Plan your DPI choice around your available storage and the requirements of your downstream application.

PresetDPICanvas at A4BMP Size (24-bit)Best For
Screen72595 × 842 px~1.4 MBQuick previews, thumbnails, web
Web1501240 × 1754 px~6.2 MBDigital documents, screen display
Print3002480 × 3508 px~24.8 MBPrint-ready, OCR, machine vision
HiRes6004961 × 7016 px~99 MBArchival, large-format, max fidelity
Use Cases

When to Convert PDF to BMP

🏭
Machine Vision
Industrial imaging systems and machine vision cameras often require uncompressed BMP input. Convert PDF page images to BMP for direct import into vision pipeline software.
🔍
OCR Pre-processing
OCR engines like Tesseract and ABBYY produce the most accurate results from uncompressed input. Convert PDF pages to BMP before feeding them into your OCR pipeline.
🖥️
Windows Wallpapers
Windows wallpaper and lock screen images accept BMP natively. Convert a PDF design page to a high-DPI BMP for direct use as a desktop background without format conversion.
🎨
Icon & Cursor Editing
Windows .ico and .cur files use BMP internally. Convert PDF icon designs to BMP as the source image for icon editors like IcoFX, Axialis, or the Visual Studio resource editor.
🗄️
Legacy System Integration
Older document management systems, ERP platforms, and imaging archives may only accept BMP input. Convert PDF pages to BMP for direct ingestion into these systems.
📠
Fax & Scan Workflows
Many fax servers and scan-to-workflow systems use BMP as their internal format. Convert PDF originals to BMP to inject documents directly into these pipelines.
🔬
Scientific Imaging
Scientific image analysis tools (ImageJ, MATLAB, Python Pillow) all support BMP natively. Convert PDF figures to BMP for pixel-level analysis without lossy compression artefacts.
📋
Page Extraction
Extract a specific page — a diagram, a chart, a cover — from a large PDF as a standalone BMP image using the page range selector, without splitting the PDF first.
FAQ

Frequently Asked Questions

What is a BMP image file?
BMP is a bitmap image format that stores high-quality images without heavy compression.
Why convert PDF pages to BMP images?
BMP images are useful for editing, graphic design work, and situations where high image quality is required.
Does converting PDF to BMP reduce quality?
No, BMP files typically maintain high image quality because they use minimal compression.
Can each PDF page become a separate BMP image?
Yes, most converters export each page of a PDF as an individual BMP file.
Is BMP suitable for professional design work?
Yes, designers sometimes use BMP images because of their high resolution and clarity.
Can I convert scanned PDF documents into BMP images?
Yes, scanned pages inside PDFs can be converted into BMP images for editing or printing.
Convert PDF Pages into BMP Images

Extract pages from your PDF and convert them into high-quality BMP images for editing or design purposes.

free forever · no signup · your files never leave your browser