Compress PDF to 1 MB
Hit the 1 MB limit on contact forms, CMS uploads, and email-friendly attachments. Exact-target compression, keeps text readable. Free, no signup.
1 MB is the default cap on many web forms and email-friendly attachments.
Drop a PDF here or click to browse
PDFs up to 50 MB · Stays on your device
Your files stay on your device
Your document is processed in your browser. Nothing is uploaded. Nothing is stored.
The 1 MB limit is one of the most common file-size caps on the web. Contact forms, basic CMS defaults (WordPress, Drupal), forum uploads, and email-friendly attachments all tend to land here.
Where 1 MB limits show up:
- Web contact forms with file-attachment fields - Basic CMS upload defaults (WordPress, Drupal) - Recommended per-attachment size for reliable email delivery - Forum and community platform uploads
How to compress your PDF to 1 MB:
1. Drop your PDF above or tap to select it 2. Target is pre-filled to 1 MB 3. Our engine dials in on the exact target 4. Download the result
Most one- and multi-page documents reach 1 MB comfortably. The tool preserves as much quality as possible while hitting the target, and tells you if the document can't shrink that far without wrecking readability.
Portal file-size limits verified as of July 2025. Always double-check the official portal for current limits.