Manatee

How to convert a PSD to PNG without Photoshop on a Mac

· 6 min read

Preview opens most PSD files directly: double-click the file, choose File > Export, set Format to PNG, and click Save. You get a flattened PNG of the composite image with no other software installed. The one catch is that the PSD must contain a stored composite (most do), and you will get the flattened picture only, never the individual layers.

How a Mac can read a PSD without Photoshop

A PSD holds layers, masks, adjustment layers, and text objects that only a full image editor can interpret. But most PSDs also contain a flattened preview of the whole image, stored as a plain bitmap in the file. Photoshop writes it when “Maximize Compatibility” is on, which is the default. macOS reads exactly that bitmap, which is why Preview and Quick Look can show a PSD at all.

This has two consequences. First, any conversion you do without an editor is a flattening: you get what the image looked like when it was last saved, with every visible layer merged. Second, if the file was saved with the compatibility option turned off, there is no composite to read, and Preview shows either a blank canvas, a single layer, or a message that the file could not be opened. In that case the PSD is fine; it just needs an app that understands layers. More on that in the last section.

Convert with Preview

  1. Right-click the .psd file in Finder and choose Open With > Preview. (Double-clicking may open another app if one has claimed the PSD extension.)
  2. Check that the image looks right. If you see a gray checkerboard, the image has a transparent background, which PNG can keep.
  3. Choose File > Export.
  4. Set Format to PNG. Hold Option while opening the Format menu if you do not see it.
  5. Leave Alpha ticked to preserve transparency, or untick it to fill the background with white.
  6. Choose a location and click Save.

Preview writes the PNG as a new file; the PSD is not modified.

If the PSD was built in CMYK for print, Preview converts it to RGB for the PNG, and bright colors may shift slightly. That is inherent to PNG, which has no CMYK mode.

Convert a batch of PSDs in Finder

For a folder of mockups or exported artboards, the Convert Image Quick Action handles all of them in one go.

  1. Select the PSD files in Finder.
  2. Right-click and choose Quick Actions > Convert Image.
  3. Set Format to PNG and Image Size to Actual Size.
  4. Click Convert to PNG.

Each PNG is created next to its PSD. Files that lack a composite image will fail silently or produce a blank PNG; check the results before deleting anything.

From Terminal

Apple’s sips tool reads the same composite that Preview does:

sips -s format png design.psd --out design.png

For all PSDs in a folder:

for f in *.psd; do sips -s format png "$f" --out "${f%.psd}.png"; done

When Preview shows nothing, or you want transparency done right: Manatee

Manatee accepts .psd files as input and converts them to PNG, JPEG, TIFF, or HEIC. It uses its own bundled image engine rather than the macOS one to read the composite image, so it sometimes succeeds on a PSD that Preview renders as a blank square. It runs entirely on your Mac, on macOS 12 Monterey or later.

  1. Open Manatee and choose Convert.
  2. Drop the PSD into the window, or drag it onto the menu bar icon.
  3. Choose PNG as the target.
  4. Click Convert. The PNG is written next to the original, and the PSD is never touched.

Be clear about what this is and is not. Manatee is a converter, not an image editor. It will not let you toggle layers, export a single layer, rasterize text with a particular font, or apply an adjustment layer that was saved hidden. A PSD saved without a composite and with features the bundled engine does not understand will come out wrong or not at all, and Manatee will tell you so rather than inventing pixels. For those files you need an editor that opens PSDs natively; several free and paid ones exist for the Mac, and the original designer can also re-save the file with compatibility on.

Manatee is the right pick when the built-in tools fail on a file, when you have a folder of PSDs and want one drop to handle them, or when you are already using it for TIFF and BMP conversions and want the same workflow.

Checking the result

A few things are worth a glance before you send the PNG anywhere.

Transparency. Open the PNG in Preview. A checkerboard means the alpha channel survived. A white or black background means either the PSD had a filled background layer or you exported without alpha.

Hidden layers. The composite reflects layer visibility at the time of the last save. If a designer hid a watermark layer and saved, the composite will not show it; if they left a “DRAFT” overlay visible, it will. You cannot change this without an editor.

Text. Live text layers are rendered into the composite using whatever font was available when the PSD was saved, so the PNG looks right even on a Mac without that font. That is one advantage of this approach over opening the file in an editor that substitutes fonts.

Dimensions. The PNG has the PSD’s full canvas size, including any transparent margin. Crop it in Preview (select, then Tools > Crop) if you want a tight image.

Size. A PNG of a large, photographic PSD can be bigger than you expect, because PNG compression is lossless. If it is going on the web or into an email and has no transparency, export to JPEG instead.

Metadata. PSDs often carry the author’s name and software details in XMP blocks, and Preview and Manatee both copy what they can into the PNG. If that matters, run the PNG through Manatee’s Clean mode before sharing.

Questions

Can I get the individual layers out as separate PNGs without Photoshop?

Not with Preview, Finder, sips, or Manatee. All of them read the flattened composite. Extracting layers needs an editor that parses the PSD layer structure.

Preview shows a blank white image for my PSD.

The file was almost certainly saved with “Maximize Compatibility” off, so there is no composite. Try Manatee, which reads more of the file; if that also fails, ask whoever made the PSD to re-save it with compatibility enabled or to export a PNG for you.

Will the PNG look exactly like the PSD did in Photoshop?

For ordinary files, yes, because the composite was rendered by Photoshop itself. Differences appear when the PSD uses color modes other than RGB, or spot-color and duotone setups, which get approximated on conversion.

Is it safe to use an online PSD converter instead?

It works, but you are uploading a design file, which may contain unreleased work, client names in layer labels, and embedded fonts. Every method in this article keeps the file on your Mac.