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10KB is extreme — single small signature only. High + 150dpi grayscale locally. For any larger doc, split first.
Extreme — 10KB only for single tiny signature slots.
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 10KB, try Medium first — switch to High if still over limit. All processing stays in your browser.
10KB needs High + tiny source — scan signature at 100dpi B&W.
If still >10KB, crop white margins before compress.
Multi-page impossible at 10KB — use 1 page only.
Your Target
10KB
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 10kb with Crafex.
For signature thumb yes — larger docs will blur, use bigger target.
100% local.
Free, no watermark.
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