PDF Colour Filters
Turn a PDF greyscale (grayscale), invert it, or tweak brightness, contrast and saturation across every page. Processed locally, nothing is uploaded.
Drop your PDF here, easy as.
One PDF file ยท preview shows page 1
How it works
- Add a PDF file, page 1 shows a live preview.
- Adjust the sliders or invert colours, the preview updates instantly.
- Click "Apply & Download" to render every page with those filters.