Compress a PDF for email
When your attachment is over the size limit.
Email services often cap attachments at 10–25 MB. Scanning homework, merging reports, or combining photos into a PDF can exceed that quickly. Compression helps without sending your file to a cloud server.
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Step 1
Pick your PDF
Open Compress PDF and add your file. Choose a compression level — Medium works for most school and office documents.
Compress PDF → -
Step 2
Check the new size
Download the result and check the file size in your downloads folder. If it's still too large, try Strong compression or split the PDF into parts.
Split PDF →
Tools for this guide
Compress PDF
Make PDFs smaller for email. Pick a compression level and download.
Merge PDF
Combine multiple PDFs into one file. Put documents in order — free, private.
Split PDF
Extract page ranges or save every page as its own PDF. Download PDF or ZIP.
Protect PDF
Lock a PDF with a password before you share it by email or message.