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BMP vs SVG

BMP vs SVG

A detailed comparison of BMP Image and SVG Vector Image — file size, quality, compatibility, and which format to choose for your workflow.

Convert BMP → SVG Convert SVG → BMP
BMP

BMP Image

Raster & Vector Images

BMP is an uncompressed raster image format native to Windows. Files are large but preserve exact pixel data with no compression artifacts. Rarely used on the web due to file size.

About BMP files
SVG

SVG Vector Image

Raster & Vector Images

SVG is an XML-based vector image format that scales to any resolution without quality loss. It is the standard for web icons, logos, and illustrations that need to look sharp on all screen sizes.

About SVG files

Strengths Comparison

BMP Strengths

  • Dead-simple format — trivially easy to read and write.
  • Lossless and uncompressed — perfect bit-exact pixel storage.
  • Universally supported in Windows applications since 1985.
  • Supports 1, 4, 8, 16, 24, and 32-bit color depths.

SVG Strengths

  • Resolution-independent — crisp at any size, from 16px icon to 4K billboard.
  • Tiny file sizes for flat graphics, logos, and UI illustrations.
  • Editable with any text editor; programmatically manipulable via DOM.
  • Supports interactivity, CSS styling, and JavaScript inside the image.
  • Accessible — text inside SVG is readable by screen readers.

Limitations

BMP Limitations

  • Enormous file sizes — no meaningful compression in typical use.
  • Not a web format — browsers support it but nobody serves BMPs over HTTP.
  • No metadata support (no EXIF, no ICC profile in practice).
  • Multiple header versions mean "a BMP" is ambiguous — parsers must handle several variants.

SVG Limitations

  • Not suitable for photographs or complex raster imagery.
  • Uploading user-provided SVG is risky — embedded scripts are an XSS vector.
  • Complex SVGs with thousands of paths render more slowly than a PNG equivalent.
  • Inconsistent rendering across browsers for edge-case features (filters, gradients).
  • No native concept of layers or groups for design-tool round-tripping.

Technical Specifications

Specification BMP SVG
MIME type image/bmp image/svg+xml
Extensions .bmp, .dib —
Compression None (typical); RLE 4/8 bit (rare) Gzipped variant is .svgz
Color depths 1, 4, 8, 16, 24, 32 bits per pixel —
Byte order Little-endian —
Format — XML (text-based)
Current version — SVG 2 (W3C Recommendation, 2018)
Resolution — Unlimited (vector)
Animation — SMIL, CSS, JavaScript

Typical File Sizes

BMP

  • Small icon (32×32) 4 KB
  • Screenshot (1920×1080) ~6 MB
  • 4K image (3840×2160) ~25 MB
  • Scanned A4 at 300 dpi ~25 MB

SVG

  • Simple icon 200 B – 2 KB
  • Company logo 2–10 KB
  • Complex illustration 20–100 KB
  • Data-visualization chart 50–500 KB

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Frequently Asked Questions

BMP (Bitmap) is a raster image format developed by Microsoft for Windows. It stores images with no compression by default, resulting in large file sizes but pixel-perfect quality. It has been part of Windows since version 1.0.

SVG (Scalable Vector Graphics) is an XML-based vector image format maintained by the W3C since 1999. Unlike raster formats, SVG images scale to any size without quality loss, making them perfect for responsive web design.

BMP files open in Windows Paint, Photos, macOS Preview, GIMP, Photoshop, and virtually any image viewer. All Windows applications support BMP natively.

SVG files open in all web browsers, Adobe Illustrator, Inkscape (free), Figma, and most modern design tools. You can also open SVGs with any text editor since they are XML-based.

PNG is better than BMP in almost every scenario since it provides lossless compression (smaller files), transparency support, and wider cross-platform use. BMP is mainly relevant for legacy Windows applications.

Use SVG for logos, icons, and illustrations that need to scale across different screen sizes. Use PNG for complex images like photographs where vector representation is impractical. SVG files are typically much smaller for simple graphics.