# Convert PDF to black & white

> Convert a colour PDF to black and white (grayscale) online for free. Save printer ink and meet form requirements. Works on phones. No upload, no watermark.

Tool: https://pdfnest.co.in/grayscale-pdf

Some applications ask for black-and-white documents, and printing colour pages in grayscale saves expensive colour ink. Add your PDF, pick a quality and download a grayscale copy. Choose pure black & white for crisp printed text.

## Tips

- Use High quality if you'll print the result.
- Pure black & white makes scanned text crisper and the file smaller.
- Need a size limit too? Use Compress PDF with "Convert to black & white" ticked.

## How to grayscale PDF

1. Click Select PDF files and choose one or more PDFs.
2. Pick a quality, and tick pure black & white if you want no grey shades.
3. Click Convert to grayscale.
4. Download your black-and-white PDF.

## Features

- **Save ink:** Print colour documents without using any colour ink.
- **Three quality levels:** From print-ready to small files for uploads.
- **Several files at once:** Convert many PDFs in one go; they download together.
- **Private by design:** Conversion happens on your device. Nothing is uploaded.

## FAQ

### How do I convert a colour PDF to black and white?

Select your PDF, choose a quality, click Convert to grayscale and download the result.

### Will text still be selectable?

No — pages are converted to grayscale images. Keep your original if you need to copy text later.

### What's the difference between grayscale and pure black & white?

Grayscale keeps shades of grey, which suits photos. Pure black & white has only black and white, which makes printed text crisper and files smaller.