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
PDF compressor — reduce file size for email. Shrink scans and image-heavy PDFs.
Merge PDF
PDF merger — combine multiple PDFs into one file. Free pdf combiner, private, no upload.
Split PDF
PDF splitter — extract page ranges or save every page separately. Download PDF or ZIP.
Protect PDF
Password protect a PDF before email or messaging. Lock files locally — no upload.