Compress PDF to 500KB Online — Free Tool
Free & secureNo signup requiredFiles never stored
Large PDFs slow everything down. Compress your PDF to 500KB or less while keeping quality intact. Upload, choose your compression level, and download your lighter file.
Pro Tip: Light compression usually achieves 500KB for most documents. Use Balanced only if the file is very large.
How It Works
1
Upload your PDF
Select a PDF up to 50MB.
2
Select Light or Balanced
Light preserves more quality for a 500KB target.
3
Download result
Your compressed PDF is ready in seconds.
4
Share easily
Attach to emails or upload to portals.
Who Uses This
Email Attachments
Most email providers recommend attachments under 500KB.
Cloud Storage
Save space on Google Drive or Dropbox.
Presentation Handouts
Share lighter PDF handouts with teams.
Online Submissions
Many forms accept documents up to 500KB.
Frequently Asked Questions
Will images in my PDF look blurry?+
With Light compression, images retain high quality. Strong compression may slightly reduce image sharpness.
Can I compress a 20MB PDF to 500KB?+
It depends on content. Text-heavy PDFs compress well. Image-heavy PDFs may need Strong mode and could land around 1MB.
Is my file stored on your server?+
Files are processed and deleted immediately. We never store your documents.
Does it work with password-protected PDFs?+
You'll need to remove the password first using our Unlock PDF tool, then compress.
Can I compress PDF on iPhone?+
Yes. Open compressly.live in Safari or Chrome on your iPhone and use the tool directly.
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Free, secure, and works on any device. No signup needed.