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Targeting 500KB? Medium is usually enough — great quality with solid shrink. Perfect for email and LMS uploads with 500KB caps.
Common for email (25MB total) and college assignment portals at 500KB per file.
100% Safe & Private – files never leave your browser
Browser-based compression via pdf-lib. No upload, no sign-up, instant.
or click to browse from your device
Single or multiple PDFs • No file size limit • No signup
Tip: For 500KB, try Medium first — switch to High if still over limit. All processing stays in your browser.
Medium hits 500KB for most documents while keeping images crisp.
If already under 500KB, still run Medium to optimize and save bandwidth.
Use Clear all to re-try with different quality without re-uploading everything.
Your Target
500KB
Fits most portals & email
Recommended Quality
Medium
Switch levels in widget until size fits
Privacy
100% Browser-Based
Files never leave your device
Everything for compress pdf to 500kb with Crafex.
Excellent — Medium preserves near-original fidelity while saving 40–60%.
We scale pages and use object streams locally — text stays vector-sharp.
100% private — no upload, processed in RAM.
No limits, free forever.
Explore other size & exam-specific compressors — all private, same instant widget.
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