Arrange four PDF pages in a 2x2 grid on each sheet for compact handouts. PDF 4-Up (4 Pages Per Sheet) is a free online tool from the ToolsRift PDF Tools collection. It runs entirely in your browser — nothing to install, no signup, and your data never leaves your device.
Upload a PDF and pick the output sheet size. The tool places four consecutive pages in a 2x2 grid on each portrait sheet, scaling each to fit, and downloads the result.
4-up puts four document pages on one physical sheet in a two-by-two grid — ideal for overviews, thumbnails and saving paper.
Reading order: top-left, top-right, bottom-left, then bottom-right, filling each sheet before starting the next.
The last sheet is filled with as many pages as remain; the empty grid cells are simply left blank.