Convert PDF to Grayscale Online – Free Black & White PDF

Turn colored PDFs into clean grayscale documents in seconds. Save ink when printing and get a professional black-and-white look — free and no sign-up.

Drop files or click here
or press Ctrl+V to paste · add from phone, Google Drive, Dropbox, OneDrive or a link
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Free PDF to grayscale converter

Turn any color PDF into black and white

Printing a colorful document just to read it wastes expensive ink. iHeartPDF Grayscale PDF converts all text and images in your PDF to shades of gray in a single click.

The result is a clean, professional black-and-white document that’s cheaper to print, easier on the eyes and often smaller in size.

100% freeNo sign-upNo watermarkWorks on any device

How to convert a PDF to grayscale in 3 easy steps

1

Upload your PDFs

Drag and drop one or more files into the box above or click Choose Files.

2

Convert to grayscale

Start the conversion — every page, image and colored element is turned into grayscale.

3

Download

Download your black-and-white PDF, ready to print or share.

Why use iHeartPDF Grayscale PDF?

🖨️

Save printer ink

Print documents without using costly color cartridges.

⚫

Text and images converted

All colored text, charts and photos become consistent shades of gray.

📂

Batch conversion

Convert several PDFs to grayscale at once.

🔒

Private & secure

Files travel over an encrypted connection and are automatically deleted from our servers within 2 hours.

💯

Free with no watermark

No account, no trial limits and no watermark added to your files. Use it as often as you like.

📱

Works on any device

Use it on Windows, Mac, Linux, iPhone or Android — in any modern browser, with nothing to install.

Perfect for

  • Printing reports and handouts cheaply
  • Submitting documents that require black-and-white copies
  • Creating print-friendly versions of colorful brochures
  • Preparing documents for photocopying or faxing
  • Giving presentations a clean, minimal look

Pro tips

  1. Keep a copy of your original color PDF — grayscale conversion can’t be reversed.
  2. Combine with Compress PDF for an even smaller print-ready file.
  3. Converting only a few pages? Extract them first.

Frequently asked questions

Upload your PDF to iHeartPDF Grayscale PDF and download the converted file. All text and images are turned to grayscale automatically.

Often, yes. Removing color information can make PDFs with many images a little smaller.

Yes. Only colors change — text stays crisp and fully readable.

Yes. Upload several files and convert them all in one go.

Yes. Files are transferred over a secure, encrypted connection and automatically deleted from our servers within 2 hours. We never share or keep your documents.

Absolutely. iHeartPDF works in any modern browser on iPhone, Android, tablets, Windows, Mac and Linux — no app or software installation needed.

More free PDF tools you'll love

Keep working on your document with these handy tools — all free, all online.

Compress PDFMerge PDFExtract PDF PagesPDF to JPGRepair PDFRotate PDF

Ready to go black and white?

Scroll up, drop in your files and get print-friendly PDFs in seconds — free, forever.

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