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.
Content reviewed October 2026 · About Toolzum
Convert PowerPoint decks to locked PDFs for sharing — fonts embedded, layout frozen. Send a 40-slide pitch that renders identically everywhere — local conversion, unlimited saves.
Trim margins off every page of a PDF at once — remove scanner shadows and overscan. Clean a 50-page scan set for reading — local pdf-lib work, unlimited saves.
Stamp headers and footers on every PDF page — page numbers, dates, confidentiality lines. Number a 100-page report in one pass — local pdf-lib work, unlimited saves.
Remove hiss, hum, and background noise from recordings with profile-based reduction. Rescue fan-noisy interviews in one pass — local FFmpeg work, unlimited saves.
Create ZIP archives from your files right in your browser. Bundle loose files into one archive.zip with DEFLATE compression — local JSZip work, unlimited saves.
Blank pages, duplicate metadata, orphaned objects, and uncompressed streams — an 80 MB scanned archive typically drops 30–60% with zero visible change.
No — only provably empty pages and structural junk go. Review the removed-page list before downloading; restore any false-positive blank with form content.
Cleanup removes waste (blank pages, junk objects); compressor recompresses images. Bloated scans need both: cleanup first, then compress — total savings compound.
No — cleanup runs locally in your browser. Only the final save touches the network — downloads are unlimited.
Repair PDF
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.
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.