Grayscale & Optimize
Convert to Grayscale & Merge
Convert color PDFs to grayscale, optimize file size, and merge them into one.
Drag & drop or click to add files
Select multiple PDFs to convert them to grayscale all at once.
Selected Files
Optimizing Grayscale
Analyzing image color data...
Grayscale Guide
Color
Grayscale
By removing color data, you can save ink and
reduce file size by more than 60%.
Notes & Warnings
- Converted files cannot be restored to color, so keep your originals.
- Processing time may increase for PDFs with many high-resolution images.