Initializing PDFAxis
Fine-tune brightness, contrast, and saturation of your PDF pages with a live preview.
Drop your PDF here
or click to browse
Upload your PDF document to the tool.
Use the brightness, contrast, and saturation sliders to achieve the perfect look.
Preview the changes on the first page, then apply to all pages and download.
See your adjustments instantly on a high-quality preview of your document.
We use pixel-level color adjustment algorithms for smooth and natural results.
Perfect for making light text darker or increasing contrast for easier reading.
Your document processing happens entirely on your device, ensuring total privacy.