Docket № 37 · Optimize
Convert a PDF to Black & White
Convert a colour PDF to black & white — cleaner prints, smaller files.
Drop files here, or click to browse
PDF files onlyProcessed entirely in your browser — nothing is uploaded
Many application portals and printers prefer black & white documents. This tool rebuilds each page in grayscale, removing colour casts from phone scans and usually making the file smaller too.
Everything is converted locally — ideal for mark sheets, certificates and ID documents.
How to convert a PDF to Black & White
- Add your colour PDF.
- Choose the output quality.
- Download the black & white PDF.
Stays on your device
Every file is processed inside your browser. Nothing is uploaded, so your documents never touch a server.
No sign-up, no watermark
No account, no daily cap and nothing stamped on your file. Open the tool and get your result.
Works without internet
Once this page has loaded you can switch off Wi-Fi and the tool keeps working — proof nothing leaves your device.
Frequently asked questions
Will the text still be selectable?
No — pages are rebuilt as grayscale images, which is what makes them clean and small. Run OCR PDF afterwards if you need selectable text.
Does grayscale make the file smaller?
Usually, yes, especially for colourful scans. For an exact size, run Compress PDF with a KB target afterwards.