Convert your PDF documents to strict black and white (monochrome) for optimal printing and reduced file sizes. All processing happens in your browser.
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For your privacy, all black & white conversion happens directly in your browser. This means:
Converting PDF to Black & White...
Your monochrome PDF file is ready to download.
Looking for other PDF solutions? Try these related tools.
A simple 4-step process to create monochrome PDF documents.
Click "Select PDF File" or drag and drop your PDF into the selection area. Your file is processed locally for privacy.
Use the threshold slider to control the black & white conversion. Lower values create more black pixels, higher values create more white pixels.
Click "Convert to B&W" to process your document. Each page is converted to strict monochrome (1-bit) format.
Preview the first page and download your black & white PDF, perfect for printing or archival purposes.
Professional-grade monochrome conversion with complete privacy and customization.
Strict B&W uses significantly less ink than grayscale or color, perfect for draft prints or text-heavy documents.
All conversion is performed in your browser. Your PDF files are never sent to a server, ensuring data privacy.
For some documents, especially line art or text, B&W can offer sharper and clearer output than grayscale.
Converting color or grayscale images within a PDF to 1-bit B&W can significantly reduce the overall file size.
No upload/download delays for processing. Get your monochrome PDF quickly without waiting times.
Fine-tune the black and white conversion point to get the best results for your specific PDF content.
Upload your PDF, adjust the threshold slider if needed, and click 'Convert to B&W'. The tool processes each page to pure black and white pixels. Download the converted PDF. This happens entirely in your browser.
Grayscale uses multiple shades of gray. Strict Black & White (monochrome or 1-bit) uses only pure black and pure white pixels. This tool produces strict Black & White, which is often better for printing line art or text documents to save ink and can result in sharper text.
Yes, typically. Since this tool converts each page into a black and white image, the resulting PDF will be image-based. If you need selectable text, you would need to run an OCR tool on the converted B&W PDF.
The threshold determines the cutoff point for converting a pixel to black or white. Each pixel is first converted to a grayscale value (0=black, 255=white). If the grayscale value is less than the threshold, it becomes black; otherwise, it becomes white. Adjusting this helps you get the best contrast for your document.