Compress PDF for Email
Shrink PDF attachments so your email always sends.
Last updated: August 1, 2026
Compress PDF File
Reduce PDF file size while maintaining quality. Fast, secure, and free.
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Drag & drop your file here, or click to browse. We process files locally for maximum privacy.
About This Tool
What is Compress PDF for Email? It is a free tool that shrinks PDF attachments so they fit email size limits. Gmail rejects attachments over 25MB and many corporate servers cap out at 10MB — so an oversized PDF attachment can block a deal, a contract, or a job offer.
Compressing before attaching is smarter than using file-sharing links: it works with every email client, keeps the document in the message thread, and never expires. Shrink your PDF, attach it, and send.
How It Works
Three simple steps to get your optimized PDF.
Upload Your PDF
Choose the PDF you want to email. Processing happens locally in your browser.
Compress It
Select a compression level. Medium preserves quality for contracts and invoices; High works for large scanned documents.
Attach & Send
Download the smaller PDF and attach it to your email. It will send instantly — no bounce-backs.
Why Use This Tool
Defeats Size Limits
Get under Gmail, Outlook, and corporate limits.
Sends Faster
Smaller attachments upload and send instantly.
No Expiry Links
A real attachment that stays in the thread forever.
Contracts Stay Clean
Medium compression keeps invoices and contracts readable.
Private
Your documents never touch a server.
Free Forever
No signup, no watermarks.
Frequently Asked Questions
What is the largest PDF I can send by email?
Gmail accepts up to 25MB; Outlook and most corporate servers cap at 10-20MB. Compressing to under 5MB makes your PDF sendable anywhere. Our tool can shrink most PDFs far below that.
Will a compressed contract still look professional?
Yes. Medium compression keeps text sharp and images clear enough for contracts, invoices, and receipts. Only very detailed photographs show slight differences.
Do I need to create an account?
No. Upload, compress, download — that is it.
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