Convert PNG to WBMP

Convert PNG files to WBMP locally, completely free and with maximum privacy.

Drag and drop your files here

or click to browse local files (large files supported, limited only by browser RAM)

Upload Files

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How to convert PNG to WBMP

  1. Drop your .png files above, or click Upload Files. You can add many files at once.
  2. WBMP is already selected as the output. Open the settings (gear icon) to fine-tune the result.
  3. Click Convert All. ImageMagick runs inside your browser through WebAssembly; nothing is uploaded.
  4. Download your .wbmp files as soon as each one finishes.

What to know about PNG to WBMP conversion

  • WBMP has no transparency, so transparent areas of the PNG are filled with white.
  • WBMP is best for monochrome images for small embedded displays, and opens in ImageMagick, IrfanView and embedded toolchains.

PNG vs WBMP

FeaturePNG (Portable Network Graphics)WBMP (Wireless Bitmap)
Compressionlosslessuncompressed
TransparencyYesNo
AnimationNoNo
Best forscreenshots, logos and graphics with sharp edges or transparencymonochrome images for small embedded displays
Opens inevery browser, operating system and image editorImageMagick, IrfanView and embedded toolchains

PNG (Portable Network Graphics): A lossless image format supporting transparency, ideal for web graphics, screenshots, and logos.

WBMP (Wireless Bitmap): A monochrome bitmap format from the WAP era, still used by some embedded and feature-phone displays.

Conversion options

  • Resize by width, height or both (aspect ratio is preserved)
  • Filters: grayscale, sepia, blur and sharpen
  • Custom output file name

Frequently asked questions

Is it safe to convert PNG to WBMP here?

Yes. Your files are processed entirely on your own device by WebAssembly code running in the browser. They are never uploaded, so nobody else can see them, and the converter keeps working even if your connection drops after the page loads.

Is there a file size limit?

There is no server-side limit. The only limit is the memory available to your browser, typically 1.5–4 GB on desktop computers.

Can I convert several PNG files at once?

Yes. Add as many files as you like; they are converted in parallel according to your device's CPU cores, and you can apply the same settings to all of them.

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