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PNG vs WBMP

PNG vs WBMP

A detailed comparison of PNG Image and Wireless Bitmap — file size, quality, compatibility, and which format to choose for your workflow.

Convert PNG → WBMP Convert WBMP → PNG
PNG

PNG Image

Raster & Vector Images

PNG is a lossless image format that supports transparency. It is ideal for graphics, logos, screenshots, and any image where preserving exact pixel data is important.

About PNG files
WBMP

Wireless Bitmap

Raster & Vector Images

WBMP (Wireless Bitmap) is a monochrome image format designed for early WAP-enabled mobile devices. It stores 1-bit black-and-white images with minimal overhead, optimized for the bandwidth constraints of early mobile networks.

About WBMP files

Strengths Comparison

PNG Strengths

  • Lossless compression — every save preserves the original pixels perfectly.
  • Full 8-bit alpha channel for smooth transparency.
  • Excellent for text, UI screenshots, logos, and line art.
  • Royalty-free and an ISO standard (ISO/IEC 15948).
  • Supports 16-bit color depth for high-fidelity work.

WBMP Strengths

  • Tiny file size.
  • Pre-smartphone mobile standard.
  • Trivial to encode.

Limitations

PNG Limitations

  • Much larger than JPEG for photographs (no perceptual compression).
  • No native animation in most software (APNG support is inconsistent).
  • No CMYK support — web and screen only, not print.
  • Metadata capabilities are less rich than JPEG's EXIF.

WBMP Limitations

  • Monochrome only.
  • WAP era is dead.
  • Zero modern use.

Technical Specifications

Specification PNG WBMP
MIME type image/png image/vnd.wap.wbmp
Compression Lossless — DEFLATE (zlib) —
Color depth 1, 2, 4, 8 or 16 bits per channel —
Max dimensions 2^31 − 1 pixels per side (2.1 billion) —
Transparency Full 8-bit alpha channel —
Standard ISO/IEC 15948:2004 —
Extension — .wbmp
Bit depth — 1-bit
Origin — WAP Forum (1999)

Typical File Sizes

PNG

  • Icon or small logo 2–20 KB
  • UI screenshot (1920×1080) 200–800 KB
  • High-res photo (12 MP) 10–30 MB
  • Print-ready illustration 5–50 MB

WBMP

  • Typical WBMP icon 50-200 bytes

Ready to convert?

Convert between PNG and WBMP online, free, and without installing anything. Encrypted upload, automatic deletion after 60 minutes.

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Frequently Asked Questions

PNG (Portable Network Graphics) is a lossless raster image format created in 1996 as a patent-free alternative to GIF. It supports transparency, making it ideal for logos, icons, and web graphics.

PNG (Portable Network Graphics) is a sem perdas raster image formato created in 1996 como um patent-free alternative to GIF. It suporta transparência, making it ideal para logos, icons, e web graphics.

PNG files open natively in all modern operating systems, web browsers, and image editors including Photoshop, GIMP, Paint.NET, and Canva.

PNG arquivos abrir natively in all moderno operating systems, web browsers, e image editors including Photoshop, GIMP, Paint.NET, e Canva.

WebP offers 26% smaller file sizes than PNG with equivalent quality. Use WebP for web delivery when browser support is sufficient. Use PNG when maximum compatibility or professional editing workflows are needed.

WebP oferece 26% smaller tamanho do arquivos than PNG com equivalent quality. usar WebP para web delivery when browser support is sufficient. usar PNG when máximo compatibilidade ou profissional editando workflows are needed.