Skip to content
Format

Overview

BMP is an uncompressed or lightly structured bitmap format from early Windows graphics.

Features

  • Simple pixel storage
  • Easy to parse
  • Rarely used on the modern web

Advantages

  • Predictable layout
  • No decoding surprises in basic tools

Disadvantages

  • Very large files
  • No modern web optimization story

Format details

Typical file size
Often many MB even at moderate resolution.
Transparency support
No — Classic BMP has no alpha; some variants exist but are uncommon on the web.
Animation support
No — Still images only.
Compression type
Typically uncompressed (optional RLE in some variants)
Browser support
Display support exists in many browsers, but BMP is not a delivery format for the web.

Common uses

  • Legacy desktop assets
  • Raw intermediate dumps

Related formats

Related conversion tools

  • BMP to JPG — Convert BMP images to JPG quickly in your browser.
  • BMP to PNG — Convert BMP images to PNG quickly in your browser.
  • BMP to WEBP — Convert BMP images to WEBP quickly in your browser.

Related compression tools

Related editing tools

Image editing tools will appear here when published.

Related guides

Related knowledge

FAQs