Improve scan contrast, whiten backgrounds and simplify noisy pages.
No artificial upload quota: processing happens on your device, so the practical limit is your browser and available memory.
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Choose from your device or drag it onto the upload surface.
Choose a PDFPDF · drag and drop also works
Clean scanned PDF pages by converting them to grayscale, lifting light backgrounds and increasing contrast entirely inside the browser for clearer reading and printing.
This focused tool processes the selected document in your browser. The source file is not overwritten.
Keep the original file and inspect the downloaded result before replacing an archival, signed, submitted or legally important copy.
Clean scanned PDF pages by converting them to grayscale, lifting light backgrounds and increasing contrast entirely inside the browser for clearer reading and printing.
The focused PDF Tools workspace is designed for a single job at a time. It does not require an account and does not add a FileCarpenter watermark to the downloaded result.