Core editing features
Edit existing PDF text.
Move text fragments.
Edit grouped multi-line text.
Change font, size, color, highlight, underline, and rotation.
Split badly detected text fragments manually.
Undo and redo edits.
Document tools
OCR scanned PDFs.
Review low-confidence OCR words.
Find and replace PDF text.
Draw true redaction boxes.
Export flattened redacted PDFs.
Download the modified PDF locally.
Private by design
CrabPDF is designed to run locally in your browser. The editing flow does not require uploading your PDF to a backend server. This makes it useful for quick local edits, OCR corrections, search and replace, and redaction experiments.
CrabPDF is experimental. Always verify important documents after editing or redaction.