Why did my PDF not get much smaller?
This tool rewrites PDF structure but does not deeply recompress every embedded image. Scanned documents may stay large.
Compress PDF is a best-effort tool for making documents easier to upload or email. It rewrites the PDF with object streams and removes document metadata, which can help with some files, while scanned or photo-heavy PDFs may still need stronger image compression.
Trying to bring a PDF below a job portal, college portal, or government form upload limit.
Shrinking invoices, reports, or agreements enough to send as a normal email attachment.
Removing unnecessary metadata before archiving a shared copy.
Testing whether a generated PDF can be optimized without changing the source document.
FAQ
Answers for using Compress PDF on I Love Tool XYZ.
This tool rewrites PDF structure but does not deeply recompress every embedded image. Scanned documents may stay large.
No. It is designed to preserve page content while optimizing the file structure.
Keep the original until you have opened the compressed PDF and confirmed the pages look correct.
Sometimes. If the PDF is mostly high-resolution scans, you may need to reduce image quality before rebuilding the PDF.