PSD to WebP Converter
Convert PSD to WebP in your browser. PSD files usually come from Photoshop and apps that save Photoshop documents, such as Affinity Photo, GIMP, Photopea and Krita; WebP is the better fit for images on websites and in apps. You get a lossy WebP at the quality you choose (lossless under More options), keeping transparency. Nothing is uploaded.
- Processed locally
- No upload, no wait
- No sign-up
- No watermark
Drop images here
or choose files · paste with Ctrl/⌘ V
PSD expected · other image formats also work
How to use PSD to WebP
- 1
Add your PSD files: drop them here, choose them, or paste from the clipboard.
- 2
Set the quality. 80 to 85 is visually close to the original for most photos.
- 3
Click Convert. Each file is decoded and encoded in a background thread on this device.
- 4
Download the .webp files one at a time or together as a ZIP.
Why use Aback Images for psd to webp
Where the WebP goes next
WebP opens in every current browser, Windows, macOS, Android, and recent Photoshop, GIMP and Affinity.
WebP next to PSD
A lossy WebP usually comes out far smaller than the PSD, which stores raw or RLE (PackBits) channel data, ZIP in some 16 and 32-bit files.
The first lossy pass
The PSD holds 8, 16 or 32 bits per channel with nothing discarded yet. This conversion is the first lossy encode these pixels see, and hard edges and flat colour show it first.
Processed on your device
Your images are decoded, edited and encoded inside this browser tab by Web Workers. Nothing is uploaded to a server.
PSD vs WebP
What changes from PSD to WebP
Encoding: the PSD uses raw or RLE (PackBits) channel data, ZIP in some 16 and 32-bit files; WebP uses lossy VP8 coding or lossless VP8L, and the download is a lossy WebP at the quality you choose (lossless under More options), keeping transparency.
Bit depth: 8, 16 or 32 bits per channel in the PSD; WebP allows 8 bits per channel, and the WebP written here has 8 bits per channel. 16 and 32-bit documents are reduced to 8 bits per channel.
Colour: RGB, CMYK, Lab, greyscale, indexed or multichannel in the PSD; WebP supports RGB; lossy WebP stores colour at half resolution (4:2:0), written here as 8-bit sRGB.
Transparency: the PSD stores it as transparent layers plus extra alpha channels; the WebP keeps it as a separate alpha plane, available in lossy as well as lossless files.
Other images: the PSD can hold layers, masks, adjustment layers and smart objects; only the main image is converted.
Metadata: the PSD can carry XMP, EXIF, IPTC and ICC in image resource blocks; WebP can carry EXIF, XMP and ICC chunks, but nothing is copied across.
About PSD
PSD is Adobe Photoshop's layered working format. It keeps layers, masks and effects, but almost nothing outside Photoshop can display it, so finished designs are exported to PNG or JPG.
A PSD has five sections: a header ('8BPS', channel count, size, depth, colour mode), colour mode data, image resources (thumbnail, ICC, XMP, resolution), layer and mask information, and finally the merged composite image that the Maximize Compatibility option saves.
PSD files usually come from Photoshop and apps that save Photoshop documents, such as Affinity Photo, GIMP, Photopea and Krita.
About WebP
WebP is Google's web image format. It supports lossy and lossless compression, transparency and animation, and is typically 25 to 35 percent smaller than JPEG at the same visual quality.
A WebP is a RIFF file: 'RIFF', a length, 'WEBP', then chunks. A simple lossy file is one VP8 chunk and a lossless one is VP8L; the extended VP8X header announces alpha, animation, ICC, EXIF or XMP chunks.
When converting PSD to WebP makes sense
WebP is the better choice for images on websites and in apps, while PSD suits editing in Photoshop.
WebP strengths: 25-35% smaller than JPEG; Transparency and animation in one format; Supported by every modern browser. Drawbacks to weigh: Some older desktop apps and photo printers cannot open it; Max 16383 px per side.
Limitations
- The merged composite is converted, so hidden layers stay hidden and visible ones are flattened together.
- Files saved with Maximize Compatibility turned off may hold no full-size composite; then only the small embedded thumbnail is available.
- A few older desktop apps, print services and upload forms still reject WebP; keep a JPG or PNG copy for those.
- WebP images are limited to 16383 pixels on each side.
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Frequently asked questions
Does converting PSD to WebP lose quality?
WebP is lossy, so detail the eye barely notices is discarded to save space. 16 and 32-bit documents are reduced to 8 bits per channel. Not carried over: any layers.
Is transparency kept in the WebP?
Yes. PSD stores it as transparent layers plus extra alpha channels, and the WebP is written with an alpha channel, so transparent areas stay transparent.
Are PSD layers kept?
No. The flattened composite that Photoshop saves inside the file is converted, so the result looks like the PSD with all visible layers merged. Files saved without Maximize Compatibility fall back to the embedded thumbnail.
What quality should I choose for WebP?
80 to 85 is visually close to the original for most photos. Go lower for thumbnails, or switch on Lossless under More options for screenshots and graphics.
Which apps open WebP files?
Every current browser, Windows, macOS, Android, and recent Photoshop, GIMP and Affinity.
Are my images uploaded anywhere?
No. Processing happens inside your browser with WebAssembly and Web Workers. The site only downloads the app code and codecs; your files never leave your device. You can confirm this with the live upload counter on the tool, or in your browser's network panel.
Can I process many files at once?
Yes. Drop a whole selection or folder. Files are processed in parallel on several worker threads, each result can be downloaded on its own, and everything can be saved as one ZIP.
Is it free? Is there a file limit or watermark?
It is free with no account, no watermark and no daily limit. The only limit is your device's memory: very large images (over roughly 100 megapixels) may be refused to keep the tab from crashing.