Photoshop Document (.PSD)
PSD (Photoshop Document) is the native file format for Adobe Photoshop, capable of storing layered images with full editing capabilities. It preserves layers, masks, adjustment layers, blend modes, text layers, vector paths, and smart objects in a single file. PSD supports color depths up to 32 bits per channel and multiple color spaces including RGB, CMYK, and Lab.
Advantages of Photoshop Document
What the PSD format does well, and why you might choose it.
- Preserves all Photoshop layers, masks, effects, and editing history
- Supports very high bit depths and multiple color spaces for professional work
- Widely supported for import by other design and image editing applications
Limitations of Photoshop Document
What the PSDformat doesn't do well, and when to choose another format.
- Large file sizes, especially with many layers and high-resolution images
- Maximum file size of 2 GB (PSB format required for larger files)
- Full editing capability requires Adobe Photoshop or compatible software
What PSD files are used for
- Professional photo editing and retouching with layered workflows
- Graphic design source files for print and digital media
- Design handoff files between designers and production teams
How PSD files work
Raster images are grids of pixels, each carrying color information. The format determines how those pixels are stored: lossless formats (PNG, TIFF, BMP, WEBP-lossless) preserve every pixel exactly, lossy formats (JPG, WEBP, AVIF, HEIC) discard imperceptible detail to shrink the file. Color depth (8-bit, 10-bit, 16-bit), color profile (sRGB, Display P3, ProPhoto), alpha channel support, and metadata (EXIF, IPTC, XMP) all vary by format. Modern web formats like AVIF and WEBP build on improvements in video compression to deliver dramatically smaller files at equivalent quality versus JPG and PNG.
Best practices when working with PSD
Photographs compress well as JPG or AVIF; graphics with sharp edges, text, or transparency belong in PNG or WEBP-lossless. Never re-save a JPG repeatedly — every save adds compression artifacts. Strip EXIF metadata before publishing photos publicly if you don't want GPS coordinates and camera serial numbers exposed. For print, deliver in TIFF at 300 DPI; for screen, JPG/WEBP at 72-100 DPI is plenty. If you're optimizing for the web, AVIF beats WEBP beats JPG on file size, but JPG still has the broadest support.
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The most common formats people convert to PSD, ready to convert in seconds.
Convert PSD to other formats
Convert Photoshop Document files into the format you actually need.
Choosing PSD versus the alternatives
JPG: photographs, social media uploads, anywhere universal compatibility matters. PNG: graphics with text, line art, screenshots, or transparency. WEBP: modern web replacement for JPG and PNG with better compression. AVIF: best-in-class web compression, growing browser support. TIFF: print and archival masters. BMP: rarely the right answer in 2026 — uncompressed and uniform-poor versus PNG. HEIC: efficient mobile photo capture, but limited compatibility outside Apple's ecosystem.
Where PSD fits in real workflows
Most image workflows have a master file (PSD, RAW, TIFF) that you keep forever and never publish, plus delivery exports (JPG, WEBP, AVIF) generated for each context where the image appears. Treat published files as derivatives — if quality requirements change, regenerate from the master rather than re-converting an already-compressed version.
Privacy and file handling
When you convert a PSDfile with MegaConvert, the file is uploaded to our converter, processed, and automatically deleted within an hour. We don't train models on your files, share them with third parties, or retain them after the conversion completes. The download link expires when the file is removed. If your work involves files subject to NDA or compliance requirements (HIPAA, GDPR data processing), please review our privacy policy before uploading sensitive material.
Frequently asked questions about PSD
What is a .PSD file?
PSD (Photoshop Document) is the native file format for Adobe Photoshop, capable of storing layered images with full editing capabilities. It preserves layers, masks, adjustment layers, blend modes, text layers, vector paths, and smart objects in a single file. PSD supports color depths up to 32 bits per channel and multiple color spaces including RGB, CMYK, and Lab.
What is the MIME type of PSD?
The official MIME type for PSD files is image/vnd.adobe.photoshop. This is the value web servers and applications use to identify the format when transferring files.
What category does PSD belong to?
PSD is a Image Converter format. Files in this category share common conversion paths and use cases.
How do I open a .PSD file?
PSD files are typically opened by software that natively supports the Photoshop Documentformat. If you don't have a compatible application, the most reliable approach is to convert the file to a more universal format using the converters listed above. Most Photoshop Document files convert to widely-supported alternatives in seconds.
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