Reduce a PDF's file size for easier emailing and uploading.
Large PDF files are one of the most common bottlenecks in everyday work: email providers reject attachments over a certain size, upload portals time out, and sharing a scanned document with dozens of high-resolution images can turn into a multi-megabyte headache. Compressing a PDF reduces its file size by re-optimizing embedded images and removing redundant data, without changing the actual text or layout content of the document.
This is especially useful for scanned documents, PDFs exported from design software with high-resolution images, or reports containing many photos or charts, where the original file size is often far larger than necessary for on-screen reading or standard printing.
Upload your PDF file, and the tool compresses it automatically, reducing image quality slightly where needed to shrink the overall file size while keeping the document readable. Once processing finishes, download the compressed version directly.
Some compression involves reducing embedded image resolution slightly, which can affect image sharpness at extreme zoom levels, but text and layout remain fully intact and readable.
It depends heavily on the original content — PDFs with many high-resolution images typically shrink significantly, while text-only PDFs (which are already small) see minimal change.
Processing happens through your browser session and the file isn't retained afterward — nothing is stored permanently on our end.
Password-protected or encrypted PDFs generally need to be unlocked first, since compression tools need to read the file's internal structure to optimize it.
Resaving a PDF from most software doesn't re-encode embedded images, so file size stays roughly the same — compression tools specifically re-process and optimize those embedded assets.