The free PDF Grayscale converter turns a color document into black and white. Upload your PDF and download a grayscale version, with every color converted to a shade of gray. It is free, adds no watermark, and needs no account.
Removing color has practical benefits beyond appearance. A grayscale PDF prints cleanly on any printer without drawing on color ink, looks consistent when a document mixes colored and black elements, and is often smaller in file size because gray images carry less data than full color.
How to Convert a PDF to Grayscale
- Upload your PDF. Select the file or drag it onto the upload area.
- Convert. The tool changes every color in the document to grayscale.
- Download. Save the grayscale PDF to your device.
Why Convert to Grayscale
Color is not always wanted. If you are printing a long document, grayscale avoids using expensive color ink and prints reliably on a black-and-white printer. If a file has a patchwork of colored highlights, headings, and images, converting to grayscale gives it a clean, uniform look. And because grayscale images store less information than color ones, the converted file is frequently smaller, which helps when emailing or storing it. The layout, text, and images all stay in place, just without the color.
Is My File Safe?
Your files are handled securely. Uploaded PDFs are deleted from our servers immediately after processing, whether it succeeds or fails. The result is stored under a random, unguessable name and stays available to download for up to two hours, then it is automatically and permanently deleted. All uploads and downloads use a secure HTTPS connection.
When to Convert to Grayscale
- Printing economically. Avoid color ink when printing a long document.
- Standardizing appearance. Give a mixed-color document a uniform black-and-white look.
- Reducing file size. Shrink a color-heavy PDF by removing color data.
- Preparing for black-and-white output. Get a document ready for a monochrome printer or copier.
Related PDF Tools
To shrink a file further, compress the PDF. You can also optimize it or merge documents first.
