Compress PDF to 15MB — Free Online Tool
Many online platforms and document sharing services set upload limits at 15 MB. PDFBro brings your PDF under this threshold quickly with light compression that preserves visual quality.
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 15 MB
Document sharing platforms, creative portfolio submissions, cloud storage uploads, educational platform submissions.
How to Compress PDF to 15 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 15 MB, start with Medium compression.
Download compressed PDF
Click Compress and your PDF downloads immediately. Most files reach 15 MB or smaller. If not, try High compression.
Why Use PDFBro to Compress PDF to 15 MB
Frequently Asked Questions
What platforms limit uploads to 15 MB?
Many LMS platforms (Canvas, Moodle), document signing services, and cloud storage free tiers have 15 MB limits. PDFBro compression ensures your PDF passes all checks.
How much quality is lost compressing to 15 MB?
Almost none at 'Low' compression. Text, fonts, and vector graphics are untouched. Only embedded images may be slightly optimized — usually invisible to the eye.