Compress PDF
Drop in a PDF and get a much smaller one back. Simple picks the setting for you; Advanced compresses every level for real, so you choose by actual size.
The compressor
Drop your PDF here
or browse files
PDF files only
Add another PDF
— dDrop it here or browse files
Your browser is running a cached copy of the compression engine,
which ignores Vector detail. Reload with the cache disabled, or
serve the site with python3 tools/serve.py.
About the sizes: the figures on each level aren't
estimates. Every level is compressed for real in the background, which
is also why choosing one is instant. If a file would come out bigger
than it went in, you get the original back with a note saying so.