Grayscale PDF

Turn any PDF into grayscale to save disk space or to print in grayscale / black&white.

Grayscale PDF via API

Did you know you can grayscale PDF files using our API?

curl -X POST \
     -H "Accept: application/json" \
     -H "Authorization: Bearer your_api_token" \
     -F "files[]=@path/to/example1.pdf" \
     -F "files[]=@path/to/example2.pdf"
View API documentation

How it works

How to grayscale PDF files.

Step 1
Open WebPDF's PDF Grayscale online tool in your favorite browser.
Step 2
Click the file drop area or drag & drop your files to upload your PDF files.
Step 3
Click the Submit button and receive a .ZIP file containing all the grayscaled PDF files.


Questions and answers.

How can I grayscale PDF files?

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.

Can I grayscale PDF files in bulk?

Yes. You can grayscale up to 10 PDF files at a time if you are on the Pro or Expert plan.

Is there any API to grayscale PDF files?

Yes. You can check the extended API documentation here.

Is it safe to submit files to WebPDF?

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.

How can I grayscale PDF files on Mac, Linux, Windows, Android or iOS?

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.

What browser should I use to grayscale PDF files?

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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