Enhance your PDF with professional color adjustments: brightness, contrast, saturation, hue, temperature, tint, gamma, and sepia effects.
Click to select a file or drag and drop
PDF file
Your files never leave your device.
Select or drag and drop your PDF file to begin color adjustment.
Use sliders to adjust brightness, contrast, saturation, and other color properties with live preview.
Apply adjustments to all pages and download your color-enhanced PDF.
Access 8 powerful color adjustment tools including brightness, contrast, saturation, hue, temperature, tint, gamma, and sepia effects - all with real-time preview.
Your PDFs are processed entirely in your browser. Files never leave your device, ensuring complete privacy and data security.
See your color adjustments in real-time on the first page before applying to the entire document, saving time and ensuring perfect results.
No registration, no limits, no watermarks. Adjust colors on unlimited PDF files completely free with all features included.
You can adjust brightness, contrast, saturation, hue, temperature, tint, gamma correction, and apply sepia effects to your PDF documents. All adjustments are made in real-time with live preview.
Yes, absolutely. SwiftPDFLab processes your PDF entirely in your browser. Your files never leave your device or get uploaded to any server, ensuring complete privacy and security.
Yes! SwiftPDFLab provides a live preview of the first page with all your color adjustments applied, allowing you to fine-tune settings before processing the entire document.
SwiftPDFLab preserves your PDF's original resolution and quality while applying color adjustments. The tool processes each page carefully to maintain document integrity.