WBMP to PAL Converter

Change WBMP images to PAL — no downloads, works online

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Format Upgrade

Move from WAP mobile era WBMP to the modern PAL format — enjoy color palette image data and broad software compatibility.

Secure Processing

Uploaded WBMP images are erased right after conversion, and the resulting PAL files are purged within 24 hours — your data stays private.

No Install Required

The entire WBMP to PAL conversion happens in your browser. No plugins, no desktop apps — just upload, convert, and download.

How to convert WBMP to PAL

1

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

2

Choose pal or any other format you need as a result (more than 200 formats supported)

3

Let the file convert and you can download your pal file right afterwards

About formats

WBMP (Wireless Bitmap) is a monochrome (1-bit, black and white) image format defined as part of the Wireless Application Protocol (WAP) specification, developed by the WAP Forum (later consolidated into the Open Mobile Alliance) around 1998. The format was designed for the extremely constrained mobile devices of the late 1990s and early 2000s — phones with small monochrome screens, minimal processing power, and narrow bandwidth GSM data connections. WBMP uses the simplest possible encoding: a type identifier byte (always 0 for the only defined type), width and height encoded as multi-byte integers using a variable-length scheme, and the raw pixel data where each bit represents one pixel (0 for white, 1 for black) packed eight per byte. There is no compression, no metadata, and no color — the format is purely a minimal container for delivering small monochrome graphics to WAP-era mobile browsers. One advantage was extreme efficiency on constrained devices — WBMP images could be decoded with virtually zero CPU overhead and minimal memory, critical on early mobile hardware running at single-digit megahertz clock speeds. The tiny file sizes are another strength: a typical WBMP icon occupied just a few hundred bytes, practical for transfer over 9.6 kbps GSM data channels. While the WAP ecosystem has been entirely superseded by modern mobile web browsers capable of rendering full-color JPEG, PNG, and WebP images, WBMP files remain encountered in archived mobile content from that transitional era.
Developer: WAP Forum
Initial release: 1998
PAL is a 16-bit per pixel interleaved YUV image format that stores color information using a luminance-chrominance model rather than direct RGB values. Each pixel pair is packed into four bytes using the UYVY byte ordering — U (Cb), Y0, V (Cr), Y1 — where two adjacent pixels share a single set of chroma (color difference) samples while each retaining its own luminance (brightness) value. This 4:2:2 chroma subsampling halves the color resolution horizontally with negligible perceptual impact, since human vision is far more sensitive to brightness variations than color detail. The format traces its conceptual roots to analog broadcast television standards developed during the 1960s and 1970s, where separating luminance and chrominance enabled backward-compatible color transmission alongside existing monochrome signals. In digital imaging, 16-bit YUV serves as a common intermediate representation for video capture hardware, frame grabbers, and image processing pipelines that work in the YCbCr color space internally before converting to RGB for display. One advantage is bandwidth efficiency: at 16 bits per pixel, UYVY requires roughly two-thirds the data of uncompressed 24-bit RGB while preserving virtually identical perceived quality, making it well suited for high-throughput video capture and real-time image processing applications. The format's direct correspondence to how video hardware captures and outputs data provides another practical benefit — many capture cards and camera sensors natively produce UYVY data, so storing it in PAL form avoids an unnecessary color space conversion step that would add latency and introduce rounding artifacts.
Developer: ITU-T / Microsoft
Initial release: 1982

Frequently Asked Questions

Why would I convert WBMP to PAL?

WBMP originated in WAP mobile phones and has narrow compatibility today. PAL offers color palette image data — a far more practical choice for sharing.

What apps support PAL?

You can view PAL with ImageMagick, XnView. These tools cover all major desktop and mobile platforms.

How long does WBMP to PAL conversion take?

Most WBMP to PAL conversions complete within a few seconds. The lightweight nature of WBMP images means fast processing times.

Can I convert multiple WBMP files to PAL at once?

Yes — upload several WBMP files in one session and Convertio processes them all into PAL simultaneously, saving you time.

Is my WBMP file safe when converting online?

Yes — Convertio deletes uploaded files right after conversion. Converted files are removed from servers within 24 hours for complete privacy.