Does the grayscale PDF keep searchable text and links?

No. Each page becomes one image. Text selection and search, clickable links, editable forms and vector objects are not retained. You must confirm that conversion before processing the PDF.

Which grayscale method should I choose?

Weighted luma applies round(0.2126R + 0.7152G + 0.0722B) to the rendered sRGB channels. It gives green more weight than red or blue. Average channels applies round((R + G + B) / 3). Neither option is a color-managed print proof.

Will the page size or orientation change?

The output uses each visible page size in PDF points and preserves its rotation. DPI changes the number of image pixels, not the physical page dimensions.

Why might the output be larger than the original PDF?

A compact vector or text PDF can become larger when its pages are images. Lower DPI or JPEG quality can reduce output size, with a tradeoff in fine detail. The tool shows original and output file sizes before download.

What are the conversion limits?

Choose a PDF up to 50,000,000 bytes and 200 pages. Each rendered page is limited to 16 million pixels, the full job to 250 million pixels and its encoded images to 100 MB. Lower the DPI or split a large document if a limit is reached. Cancel stops the current worker and rendering work.

Does my PDF leave my device?

No. The chosen PDF is processed locally in this browser. It is not uploaded by this tool, and no file is saved until you request the download.

PDF to Grayscale

Render a PDF into grayscale page images and assemble a new PDF locally. Choose weighted luma or average channels, set resolution and image quality, and inspect every page before downloading. The new file contains images instead of searchable text or editable PDF objects.

COLOR TO GRAYSCALE

A clear preview before you print.

Render each page locally, choose its resolution, and download a new PDF made of grayscale images.

R → 54G → 182B → 18

Choose a PDF

Up to 50 MB and 200 pages. Your file stays in this browser.

ResolutionGrayscale methodJPEG image quality: 90%

Y′ = round(0.2126R′ + 0.7152G′ + 0.0722B′), applied to rendered sRGB channels. Conversion can increase file size. Each page is limited to 16 million pixels; the whole job is limited to 250 million.

I understand the new PDF contains page images. Searchable text, clickable links, editable forms and vector detail will be lost.

Choose a PDF to begin.

Red patch255, 0, 0
54, 54, 54
Green patch0, 255, 0
182, 182, 182
Blue patch0, 0, 255
18, 18, 18

Raster output loses selectable text, links, forms and vector fidelity. Page sizes and rotation are preserved; grayscale uses the displayed formula on rendered sRGB channels.

Common questions

Does the grayscale PDF keep searchable text and links?: No. Each page becomes one image. Text selection and search, clickable links, editable forms and vector objects are not retained. You must confirm that conversion before processing the PDF.
Which grayscale method should I choose?: Weighted luma applies round(0.2126R + 0.7152G + 0.0722B) to the rendered sRGB channels. It gives green more weight than red or blue. Average channels applies round((R + G + B) / 3). Neither option is a color-managed print proof.
Will the page size or orientation change?: The output uses each visible page size in PDF points and preserves its rotation. DPI changes the number of image pixels, not the physical page dimensions.
Why might the output be larger than the original PDF?: A compact vector or text PDF can become larger when its pages are images. Lower DPI or JPEG quality can reduce output size, with a tradeoff in fine detail. The tool shows original and output file sizes before download.
What are the conversion limits?: Choose a PDF up to 50,000,000 bytes and 200 pages. Each rendered page is limited to 16 million pixels, the full job to 250 million pixels and its encoded images to 100 MB. Lower the DPI or split a large document if a limit is reached. Cancel stops the current worker and rendering work.
Does my PDF leave my device?: No. The chosen PDF is processed locally in this browser. It is not uploaded by this tool, and no file is saved until you request the download.

Raster output loses selectable text, links, forms and vector fidelity. Page sizes and rotation are preserved; grayscale uses the displayed formula on rendered sRGB channels.