Did you know you can grayscale PDF files using our API?
curl -X POST https://webpdf.xyz/api/v1/pdf/grayscale \
-H "Accept: application/json" \
-H "Authorization: Bearer your_api_token" \
-F "files[]=@path/to/example1.pdf" \
-F "files[]=@path/to/example2.pdf"How it works
FAQ
The easiest way is to use our free online PDF grayscale tool by uploading your files and then clicking the "Submit" button. You will recieve a .zip file containing all the grayscaled PDF files.
Yes. You can grayscale up to 10 PDF files at a time if you are on the Pro or Expert plan.
Yes. You can check the extended API documentation here.
Yes. You don't need to worry about file security. All the submitted files are used only for intended process and are deleted within 24 hours.
WebPDF works online, in your browser, no matter what operating system you have and it does not require any other software. You can access it from your desktop pc or your mobile phone.
You can use any modern browser to access our free online grayscale PDF tool. For example: Google Chrome, Firefox, Microsoft Edge, Opera, Safari, Brave Browser, Vivaldi.
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