![]() Step 4: Modify the System's Right Click context menu for files This is the example path to our batch file: C:\Users\Administrator\Downloads\webp.bat In our example, the current user's downloads folder will be used and the file is named webp.bat. bat file extension in a location where the current user has permissions to access and execute it. Where -o tells cwebp to write out to a file, %~n1 prints the name of the original file without the file extension, to which we add our new extension. %1 is the first argument supplied to the batch file, in this case, it will be the file we selected and right-clicked in Windows Explorer. v Print extra information (encoding time in particular).įor more information on command line switches that you can use with cwebp, see Google's WebP Guide on cwebp mt Use multi-threading for encoding, if possible. sharpness 0 Sharpness range with 0 being the most sharp and 7 being the least sharp f 50 Deblocking filter (Smoothness) (0-100) 6 is the maximum so we get the smallest file size. m 6 The compression method with values ranging from 0 to 6. q 50 The "compression factor for RGB channels between 0 and 100" In this step we will be creating a batch file that looks something like this: cwebp -q 50 -m 6 -af -f 50 -sharpness 0 -mt -v -progress %1 -o %~n1.webpĬwebp This references a specific executable file located in our libwebp's bin folder that can convert images to webp. The location of libwebp's bin folder has now been added to your PATH (environment variable.) Step 3: Create a batch file that converts a file to. If the folder was extracted inside a user's download folder, and that user was named "Administrator", then the folder location string would look like the following: C:\Users\Administrator\Downloads\libwebp-1.1.0-windows-圆4\binĪfter ensuring the path is correct, press enter.Ĭlick OK on the "Edit Environment Variable" Dialog.Ĭlick OK on the "Environment Variables" Dialog.Ĭlick OK on the "System Properties" Dialog. Type or paste in the location of libwebp's bin folder that we extracted in Step 1. The Edit Environment Variable dialog opens.Ĭlick New on the top right to add an entry. Click the Edit button underneath the "User Variables for " list box. In the "User Variables for " section at the top, left-click the list item that has "Path" listed in the Variable column. The "Environment Variables" dialog opens. Press the "Environment Variables." Button located after the Startup and Recovery section at the bottom right. The "System Properties" Dialog opens with the "Advanced" tab selected. Type the following: SystemPropertiesAdvanced Alternatively, right-click on the Start button and left-click on Run. Open the Run Dialog box by pressing WinKey+R. Step 2: Add libwebp's bin folder to your PATH (32-bit) Offical Download for libwebp Version 1.0.3Įxtract the folder to your preferred location and take note of the folder path so that we can use it in Step 2. (64-bit) Offical Download for libwebp Version 1.1.0 Step 1: Download and extract libwebp from Google reg file or a downloaded utility, such as Easy Context Menu, to add your batch file to the right-click context menu for files. ![]() Then, create a batch file that takes a file and runs it through cwebp with your preferred settings. This can be done by downloading the official cwebp command line encoder from Google, and then adding its bin folder to your PATH (environment variable).
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