CONVERT
PSD → WBMP
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Fast, secure PSD to WBMP conversion. No registration required.
Here is the short version — PSD is Adobe Photoshop's native editing file with full layer, mask and channel support. Hence the need for WBMP. Turn a PSD image into a WBMP in seconds. The two formats share the same raster DNA so the visible quality is very close; what changes is how the file is packaged, which matters for browsers, editors and CMS uploaders. KaijuConverter runs the conversion server-side and deletes both files within two hours. A quick refresher — PSD is Adobe Photoshop's native editing file with full layer, mask and channel support. By contrast, WBMP is a raster image format with its own balance of compression, colour depth, and software support.
Adobe Photoshop Document
Source formatPSD is the native file format for Adobe Photoshop, storing layered image data, masks, color spaces, and editing metadata. Converting PSD flattens layers into a single composite image.
Wireless Bitmap
Target formatWBMP (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.
Why convert PSD to WBMP
The real reason to move from PSD to WBMP is almost never picture quality — both raster formats store essentially the same pixels. It is about the tools downstream: which editors open the file natively, which CMSes upload it without transcoding, which social platforms accept it. Picking WBMP solves those edge cases at the cost of a short conversion step.
HOW TO CONVERT
PSD → WBMP
Provide the PSD
Click or drag to upload. We accept a single PSD file per job, with an optional queue of additional images for batch mode.
Encode to WBMP
The conversion decodes the PSD, resolves the colour space to sRGB and writes the WBMP container around the pixel data.
Save the WBMP
The download is streamed back over HTTPS. If you uploaded multiple files, a ZIP with all WBMP outputs is produced instead.
Common Use Cases
Share across platforms
Send WBMP files to anyone without worrying about whether they have the right software for PSD.
Embed in documents
Drop WBMP output into Word, Google Docs, PowerPoint, Notion or a website without conversion warnings.
Optimize size
WBMP often produces smaller files than PSD for web, email and storage.
Archive & future-proof
Store in a widely-supported format that will still open on future operating systems without legacy plugins.
PSD vs WBMP — Strengths and limitations
What each format does best, and where it falls short.
PSD Strengths
- Preserves every Photoshop feature: layers, masks, adjustments, smart objects, text, effects, styles.
- Backward-compatible — files from 1990 still open in modern Photoshop.
- Industry-standard handoff format between designers, agencies, and prepress.
- Supports 32-bit HDR, CMYK, Lab, Duotone, and spot colors for professional print work.
- Rich metadata, color profiles, and printing instructions survive round-trips.
Limitations
- Proprietary — full fidelity only in Adobe tools; other apps approximate.
- File sizes are enormous (hundreds of MB is common for complex documents).
- Not a web format — browsers cannot display PSD natively.
WBMP Strengths
- Tiny file size.
- Pre-smartphone mobile standard.
- Trivial to encode.
Limitations
- Monochrome only.
- WAP era is dead.
- Zero modern use.
PSD vs WBMP — Technical specifications
Side-by-side comparison of the technical details.
PSD
- MIME type
- image/vnd.adobe.photoshop
- Max dimensions
- 30 000 × 30 000 px (PSD); 300 000 × 300 000 (PSB)
- Max file size
- 2 GB (PSD); 4 EB (PSB)
- Color modes
- Bitmap, Grayscale, Duotone, Indexed, RGB, CMYK, Lab, Multichannel
- Bit depths
- 1, 8, 16, 32 bits per channel
WBMP
- MIME type
- image/vnd.wap.wbmp
- Extension
- .wbmp
- Bit depth
- 1-bit
- Origin
- WAP Forum (1999)
| Specification | PSD | WBMP |
|---|---|---|
| MIME type | image/vnd.adobe.photoshop | image/vnd.wap.wbmp |
| Max dimensions | 30 000 × 30 000 px (PSD); 300 000 × 300 000 (PSB) | — |
| Max file size | 2 GB (PSD); 4 EB (PSB) | — |
| Color modes | Bitmap, Grayscale, Duotone, Indexed, RGB, CMYK, Lab, Multichannel | — |
| Bit depths | 1, 8, 16, 32 bits per channel | — |
| Extension | — | .wbmp |
| Bit depth | — | 1-bit |
| Origin | — | WAP Forum (1999) |
PSD vs WBMP — Typical file sizes
Approximate file sizes for common scenarios.
PSD
- Simple 2-layer logo 500 KB - 3 MB
- Website mockup with 20 layers 20-80 MB
- Magazine spread with hi-res photos 150-500 MB
- Matte painting / CGI composite 1-4 GB
WBMP
- Typical WBMP icon 50-200 bytes
Quality & Compatibility
PSD-to-WBMP conversion does not change the visible content. Quality is capped by the PSD decode; re-encoding a lossy source at high quality cannot recover detail that was already discarded. For archival masters, keep the original PSD alongside the WBMP copy.
Tips for Best Results
- Large PSD files may look identical to small WBMP files for photographic content; pick quality based on end use, not headline megapixels.
- For print, export WBMP at 300 DPI minimum and check that the colour profile embedded matches the print shop specification.
- Batch-convert related PSD images in one pass so they share identical encoder settings and look consistent side-by-side.
Frequently Asked Questions
It depends on the codecs involved. If both PSD and WBMP are lossy, the pixels are re-encoded and a small amount of detail is discarded — invisible at default quality settings on photographs. If WBMP is lossless (PNG, TIFF, BMP) the output keeps every pixel of the decoded PSD exactly, but cannot recover detail that PSD had already compressed away.
Often yes, especially when WBMP is lossless. PSD tuned for efficient web delivery will usually produce smaller files than WBMP's default settings. If file size matters, drop the quality in Advanced or pick a more compressed target format instead.
KaijuConverter uploads over HTTPS, processes the image in an isolated container and deletes both the source and the output within two hours. No account is required, file contents are never logged, and we do not use uploads to train any model. For confidential material, the paid plan includes a data-processing agreement.
Related comparisons
See these formats side by side to understand which fits your use case best.
Related Guides
PSD Adobe Photoshop Format: Understanding the Industry Standard
Complete guide to PSD Photoshop format: 5-section file structure, layer types (pixel/adjustment/text/smart object), blend modes, masks, PSB large documents, and export commands.
Read guidePSD Format: The Complete Guide to Adobe Photoshop Documents
Everything about PSD: layer structure, blend modes, adjustment layers, smart objects, PSD vs PSB vs TIFF vs PNG, compatibility with other applications, and how to convert PSD files.
Read guidePSD: Adobe Photoshop Native Format & Layer Architecture
Complete guide to PSD (Adobe Photoshop Document) format: layer structure, blending modes, adjustment layers, layer masks, smart objects, text layers, channels, guides, vector shapes, and file size optimization.
Read guideSecure & Private Conversion
Your files are encrypted during transfer, processed in isolated containers, and automatically deleted within 60 minutes. We never read, share, or store your data.