Fix corrupted PDFs that refuse to open — rebuild cross-references and salvage readable pages. Recover a deadline file from a bad download — local pdf-lib repair, unlimited saves.
Runs on pdf-lib
Content reviewed October 2026 · About Toolzum
Split PDFs by page ranges, every-N-pages, or single-page extraction. Break a 200-page manual into chapters — local pdf-lib split, unlimited saves.
Lock PDFs with user and owner passwords — control opening, printing, and copying. Protect 10 client files before sending — local pdf-lib encryption, unlimited saves.
Rotate sideways or upside-down PDF pages 90/180/270° — fix phone scans in bulk. Straighten 60 landscape pages at once — local pdf-lib rotation, unlimited saves.
Decode Base64 data URIs back into viewable and downloadable images. Recover pictures from API payloads — local decoding, unlimited saves.
Cut start/end segments from any video with fast stream-copy trimming in your browser (keyframe-aligned, no re-encode). Remove a 45-second cold open from a 10-minute upload — local FFmpeg work, unlimited saves.
Truncated downloads, broken cross-reference tables, and malformed headers — the common download-damage trio. Password-locked files need unlocking first, not repair.
Salvageable pages recover; bytes that never downloaded cannot be invented. A 90%-downloaded file usually opens fully after xref rebuild.
Mostly — text and images recover; complex interactive elements may simplify. Compare page counts before and after as the integrity check.
No — repair runs locally in your browser. Only the fixed save touches the network — downloads are unlimited.
Deskew PDF
Deskew skewed scan pages automatically — fix feeder tilt across whole PDF documents. Rescue a 30-page crooked scan in one pass — local processing, unlimited saves.
PDF Cleanup
Remove blank pages, embedded junk, and bloat from PDFs in one pass — compress, clean, and standardize. Shrink a bloated 80 MB archive for sharing — local work, unlimited saves.