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Need exactly half your PDF size? Crafex compresses locally in your browser — 50% ratio compression with intelligent quality preservation. 100% private, zero file uploads.
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 your target, try Medium first — switch to High if still over limit. All processing stays in your browser.
A 50% ratio typically achieves near-perfect readability for text PDFs.
Images may lose slight detail but remain visually clear.
Use 50% ratio as a starting point, then adjust if needed.
Your Target
Exam limit
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 50% size with Crafex.
No — 100% client-side WASM processing. Your PDF never leaves your browser.
Yes — free, unlimited, no sign-up required.
Yes — text remains sharp, images stay clear at 50% ratio.
Explore other size & exam-specific compressors — all private, same instant widget.
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