Compress PDF to 25MB — Free Online Tool
Gmail allows attachments up to 25 MB — anything larger requires Google Drive sharing. PDFBro compresses your PDF under this limit with the lightest possible compression so your document looks perfect while still attaching directly.
Free Online Tool
Compress PDF
Reduce PDF file size by up to 80% — choose Low, Medium, or High compression
When You Need a PDF Under 25 MB
Gmail direct attachments (over 25 MB triggers Drive link), Yahoo Mail attachments, cross-platform email compatibility.
How to Compress PDF to 25 MB — 3 Simple Steps
Upload your PDF
Click to upload or drag and drop your PDF into our compression tool. Works with files up to 100 MB.
Choose compression level
Select compression level: Low (best quality), Medium (balanced), or High (smallest size). For 25 MB, start with Medium compression.
Download compressed PDF
Click Compress and your PDF downloads immediately. Most files reach 25 MB or smaller. If not, try High compression.
Why Use PDFBro to Compress PDF to 25 MB
Frequently Asked Questions
What happens if my PDF is over 25 MB in Gmail?
Gmail automatically uploads it to Google Drive and sends a link instead of an attachment. Some recipients can't access Drive links. Compress to under 25 MB to send as a direct attachment.
How do I check if my PDF is under 25 MB?
Right-click the file → Properties (Windows) or Get Info (Mac) to check file size. PDFBro shows before/after sizes after compression.