CONVERT PSD → BMP (PSD to BMP)
Fast, secure PSD to BMP conversion. No registration required.
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Automatic format identification and lossless transcoding across 201+ formats.
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EXIF & Color Verification Audit ISO Verified
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GPS Coordinates (37.1773° N, 3.5986° W): Stripped (Zero Location Leak)
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Device Serial & Lens ID: Stripped (EXIF / IPTC / XMP Clean)
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Color Space Profile: Display P3 → sRGB IEC61966-2.1
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Chroma Subsampling: 4:4:4 High Fidelity (High-fidelity algorithmic conversion)
HOW TO CONVERT PSD → BMP
Drop the PSD file
Drag and drop or click to upload your PSD. The image is transferred securely over HTTPS and queued for conversion.
Re-encode with ImageMagick
ImageMagick decodes every pixel of the PSD and writes a matching BMP with sensible default quality settings.
Download the BMP
The converted BMP is ready to download as a single file; both files delete automatically within two hours.
Here is the short version — PSD is Adobe Photoshop's native editing file with full layer, mask and channel support. Hence the need for BMP. If you have ended up with a PSD and need a BMP, the mismatch is almost always about where the image is going next rather than the picture itself. Our server reads the PSD with ImageMagick, decodes each pixel, and re-writes it as a BMP using defaults tuned for fidelity first and file size second. A quick refresher — PSD is Adobe Photoshop's native editing file with full layer, mask and channel support. By contrast, BMP is the uncompressed Windows bitmap format — bulky but pixel-perfect.
Why convert PSD to BMP
Both PSD and BMP describe a grid of pixels — the difference lies in how that grid is compressed, whether transparency is supported, and which software opens it natively. Moving from PSD to BMP is worth it when the BMP ecosystem is broader for your use case, or when BMP compresses photographs more efficiently than PSD.
PSD vs BMP — 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
- MIME Type
- image/vnd.adobe.photoshop
- Extension
- .psd
- Category
- Raster & Vector Images
- Full Name
- Adobe Photoshop Document
- Conversion Engine
- IMAGEMAGICK
BMP
- MIME type
- image/bmp
- MIME Type
- image/bmp
- Extension
- .bmp
- Category
- Raster & Vector Images
- Full Name
- BMP Image
- Conversion Engine
- IMAGEMAGICK
- Extensions
- .bmp, .dib
- Compression
- None (typical); RLE 4/8 bit (rare)
- Color depths
- 1, 4, 8, 16, 24, 32 bits per pixel
- Byte order
- Little-endian
| Specification | PSD | BMP |
|---|---|---|
| MIME type | image/vnd.adobe.photoshop | image/bmp |
| 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 | — |
| MIME Type | image/vnd.adobe.photoshop | image/bmp |
| Extension | .psd | .bmp |
| Category | Raster & Vector Images | Raster & Vector Images |
| Full Name | Adobe Photoshop Document | BMP Image |
| Conversion Engine | IMAGEMAGICK | IMAGEMAGICK |
| Extensions | — | .bmp, .dib |
| Compression | — | None (typical); RLE 4/8 bit (rare) |
| Color depths | — | 1, 4, 8, 16, 24, 32 bits per pixel |
| Byte order | — | Little-endian |
PSD vs BMP — 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.
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.
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).
Quality & Compatibility
If BMP is a lossless format (PNG, TIFF, BMP) the output keeps every pixel of the decoded PSD exactly. If BMP is a lossy codec (JPEG, WebP, HEIC), the encoder re-compresses the image at the quality level you select — default 85 is transparent for photographs, quality 92+ for illustrations with hard edges.
Tips for Best Results
- Keep the original PSD alongside the BMP output — re-encoding already-lossy images accumulates detail loss on each round.
- If the BMP will be uploaded to a CMS, check whether the platform has a max dimension and downscale once on export rather than letting the CMS resize automatically.
- For thumbnails and avatars, export the BMP at exactly the display size; browsers will otherwise resample and the image may look soft.
Frequently Asked Questions
It depends on the codecs involved. If both PSD and BMP are lossy, the pixels are re-encoded and a small amount of detail is discarded — invisible at default quality settings on photographs. If BMP 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 BMP is lossless. PSD tuned for efficient web delivery will usually produce smaller files than BMP'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.
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.
BMP Image
Target formatBMP 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.
Going the other way? Convert BMP back to PSD with the same engine.
Common Use Cases
Share across platforms
Send BMP files to anyone without worrying about whether they have the right software for PSD.
Embed in documents
Drop BMP output into Word, Google Docs, PowerPoint, Notion or a website without conversion warnings.
Optimize size
BMP 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 BMP — Typical file sizes
Approximate file sizes for common scenarios.
- 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
- Small icon (32×32) 4 KB
- Screenshot (1920×1080) ~6 MB
- 4K image (3840×2160) ~25 MB
Need to Convert Gigabyte Archives or Mass Folders?
KaijuConverter delivers ultra-fast in-memory conversions for everyday tasks. For multi-gigabyte production workloads without browser bandwidth bottlenecks, explore high-throughput desktop suites.
One-time payment with zero recurring commitment: convert files up to 1 GB, OCR, PDF/A, and .ZIP batches for 24 hours.
Full 7 days of unlimited conversions, up to 2 GB per file, 100% ad-free with zero subscription.
High-throughput enterprise pipeline for files up to 2,048 MB, 50-file batches, ISO PDF/A, and priority processing.
Convert thousands of camera RAW files (CR3, NEF, ARW) to WebP, AVIF, or TIFF in one pass.
GPU-accelerated RAW development with end-to-end 16-bit ICC color profile management.
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...
Read guide →BMP Bitmap Format: The Complete Technical Guide
Everything about the BMP format: DIB header variants, pixel storage, color depths (1 to 32-bit), RLE compression, alpha channels, and BMP vs PNG vs TIFF.
Read guide →PSD 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...
Read guide →
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