Click on the "Open in Finder" in the error message prompt.When trying to run cwebp he received the following error message: cwebp cannot be opened because it's from an unverified developerĭoing the next steps seemed to have fixed this issue for him: I was contacted by the very helpful Kev Quirk about a minor problem he encountered while following this tutorial. If you ever have the need to edit this script (for example, changing the default 85 quality parameter), you will need to navigate to your ~/Library/Services folder and open your custom webp Quick Action in the Automator application. ( link to hi-res image) Making edits to your script Note: if the /usr/local/bin directory doesn't exist, simply create it by running: sudo cd /usr/local & mkdir bin Creating our custom Automator scriptġ) Open the macOS Automator from the Applications folderĢ) Select Quick Option from the first promptģ) Set "Workflow recieves current" to image filesĥ) From the left pane, select "Library > Utilities"Ħ) From the presented choices in the next pane, drag and drop Run Shell Script into the far right paneħ) Set the area "Pass input" to as argumentsĨ) Enter the following code below as your script and type ⌘-S to save (name it something like "Convert to webp") for f in -q 85 "$f" -o "$.webp"įor visual reference, it should look something like this:Īnd when right-clicking an image file in the Finder window, it should now give you the option to convert: Run sudo cp /Downloads/libwebp-1.2.1-mac-10.15/bin/cwebp /usr/local/bin If this has been updated since then, change the command below to match that of the proper release version.ġ) First you will need to download the libwebp package to your Downloads folder: /speed/webp/downloadĢ) Next we will need to copy the cwebp folder to our /usr/local/bin directory: Important!: As of this time of writing, the official libwebp package release is libwebp-1.2.1-mac-10.15. You could download one of the many native apps from the Mac App Store to do this for you - but why not create your own script and run it with a simple right-click directly inside Finder? Let's do just that! Basic requirements Although a lot of modern applications can render image conversions at build time, a custom conversion is sometimes requested for an image to be set as webp. Batch Converting Images to webp with macOS Automator Menu ↓ Batch Converting Images to webp with macOS AutomatorĪ great deal of my time working as a web/UI designer is spent exporting and/or converting images for software products and websites.
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