Convert a PDF to grayscale in your browser, preview the first page, and download the finished file without sending anything to a server.
Last updated: July 2026 | By ThisRepository Team
Click to upload or drag and drop a PDF
Everything runs locally in your browser
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Preview appears here
Pages: 0
Mode: Luminosity
Grayscale conversion removes the color from each page and keeps the document in shades of gray. It is useful when you want a cleaner look, lighter printing, or a copy that is easier to archive.
This tool keeps the page layout intact by rendering each page in your browser, converting it locally, and rebuilding the PDF for download.
Which mode should I start with? Luminosity is the best default for most text-heavy PDFs.
Will the PDF stay readable? Yes. The layout stays the same, but the page content is rebuilt as an image-based PDF.
Does this upload my file anywhere? No. Everything happens locally in your browser.
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