Guide
How to Compress PDF Online (Step-by-Step Guide)
Compress PDF helps reduce upload failures, improve sharing speed, and keep documents within email attachment limits. The goal is to lower size while maintaining readable text and usable visuals.
Decide your target outcome first: smallest possible size, balanced quality, or near-original clarity. This decision avoids over-compression.
Upload your PDF and choose an appropriate compression level. Recommended mode is best for most reports, forms, and office documents.
Compare output with original by checking signatures, charts, and fine text. If quality drops too much, rerun with lighter compression.
For recurring workflows, keep an original archive and a compressed distribution copy. This protects long-term quality.
If a compressed file is still too large, remove unnecessary pages or convert heavy image pages before compressing again.
Frequently Asked Questions
Will compression make my document blurry?
It depends on level. Recommended compression usually preserves text quality well for normal usage.
What is a good target size?
For email, staying under common limits (10-20 MB) is practical. For web uploads, smaller is usually better.
Can I compress scans and image-heavy PDFs?
Yes, and those usually get the highest size reduction compared to text-only documents.