Lightly optimize (rebuild) a PDF in your browser and compare before/after file size. Not a strong compressor.
Drop files here
One PDF file
Privacy: files stay in your browser. Nothing is uploaded to the server.
More from the same category
Merge multiple PDF files into one in your browser.
Split a PDF by page ranges or every N pages in your browser.
Rotate PDF pages by 90°/180°/270° in your browser.
Reorder PDF pages by dragging thumbnails in your browser.
Remove selected pages from a PDF in your browser.
Extract selected pages into a new PDF in your browser.
Learn more — open a section when you need details
Optimize PDF lightly rebuilds your document by copying pages into a fresh PDF. This is not a strong compressor — results vary. Before/after sizes are shown honestly.
Choose a single PDF file.
Click Optimize PDF.
Review before/after sizes and download the rebuilt file.
No. Light optimize rebuilds the PDF structure; size may stay similar or even grow slightly.
No. We do not claim strong image recompression — only a light structural rebuild.
No. Everything stays in your browser.