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Grayscale PDF

Convert a colour PDF to greyscale while keeping the text searchable. This cuts printing costs on mono printers and produces smaller, more consistent files for distribution. It is free, needs no account, and adds no watermark to your result.

Temporary workspace removed after processingFree · fair-use only
Before you startClear input, output, and processing details.
Input
PDF
Result
PDF
Capacity
Up to 100 files / 250 MB total
Privacy
Temporary workspace removed after processing

1. Add your input. 2. Choose settings. 3. Check the result and download it. Your original file is not changed on your device. Privacy details

Drop PDF files herePDF output · up to 100 compatible files

Saved settings — free

Reuse your preferred Grayscale PDF setup. Recipes stay in this browser and never include files or entered text.

No settings saved for this tool yet.

Included free - no upgrade required

Run up to 100 compatible files (250 MB total), receive a ZIP when multiple results need packaging, and choose the download name.

Free Pro batch queue and export namingGrayscale conversionSearchable text preservationImage color reductionBatch processing
Khi nào bạn cần
Printing a colour report on a monochrome office printer without odd tonal results
Reducing file size for a document where colour adds nothing
Meeting a submission requirement that specifies greyscale output
Cách hoạt động

The document is reprocessed through a Ghostscript pipeline that converts colour to greyscale at the PDF level, so text remains real text and stays searchable rather than being flattened into images.

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N-up PDF

Place 2, 4, 6 or 9 original PDF pages onto each output sheet for handouts, printing and paper-saving layouts.