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.
Runs on pdf-lib
Content reviewed October 2026 · About Toolzum
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 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.
Add a subtle color tint to all pages in a PDF document. Upload your PDF and pick a background color. Tint every page uniformly for branding or readability themes — local pdf-lib work, unlimited saves.
Crop photos with 6 aspect presets — Free Size, Square 1:1, Video 16:9, Photo 4:3, Classic 3:2, Portrait 2:3 — plus ±90° rotation and horizontal/vertical flip. Exports PNG as cropped-<name> — local Cropper.js work, 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.
Trim to 5–10 mm of content breathing room: scanner shadows and feeder marks vanish while text stays safe. Preview page 1 and a middle page before applying to all 50.
Crop boxes hide margins; content streams stay intact and most readers honor the box. For guaranteed removal (redaction-grade), use the redact tool instead.
One crop applies uniformly — best for consistently scanned sets. Mixed-orientation files split by orientation first, then crop each group.
No — cropping runs locally in your browser on pdf-lib. Only the final save touches the network — downloads are unlimited.
Resize PDF Pages
Scale all PDF pages to standard sizes — A4, Letter, or custom — for print shops and archives. Normalize mixed-size scans to uniform A4 — local work, unlimited saves.
Rotate PDF
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.