Compress PDF for Email

Quickly compress your PDF for email attachments. Reduce PDF file size under 1MB or 5MB online for free with PDFNova. Fast, secure, and client-side compression.

Choose PDF to Shrink

or drag and drop a PDF here

  • Select: Choose the "High (Under 1MB)" level if you need to meet strict email server limits like Gmail or Outlook.
  • Compress: Over optimized engine with perform direct re-encoding of images within your browser.
  • Send: Download your lightweight PDF and attach it to your email with confidence.

    • Never Worry About "File Too Large" Errors Again

    Most email providers (Gmail, Outlook, Yahoo) limit attachments to 25MB, but many corporate firewalls reject anything over 5MB or 1MB. PDFNova's targeted email compression tool is designed specifically to help you overcome these hurdles. By surgically downscaling heavy high-res images and removing unnecessary metadata, we can shrink your files without making them unreadable. Best of all, because it's client-side, your personal emails and documents stay private.

    Frequently Asked Questions

    What is the best size for email?

    For widest compatibility, we recommend keeping your total email attachments under 1MB for mobile users and under 5MB for general business communication.

    Will it change the text?

    No. Our compression focuses on background images and structural efficiency. Your text remains sharp, vector-based, and fully searchable.