Every PDF tool you need. Free. Private. Instant.
Merge, split, reorder, rotate, delete pages, compress, watermark, protect, unlock, convert images, add page numbers and signatures — all inside your browser. No account. No upload. Nothing leaves your device.
Why CalcBusiness PDF?
Truly private
Files processed locally with pdf-lib. No server. No cloud.
Zero friction
Upload, edit, download. No account, no watermark, no limit.
Sign & annotate
Draw, upload or type your signature. Add text anywhere.
All PDF tools
Merge PDF
Combine multiple PDF files into one in your browser.
Split PDF
Extract selected pages from a PDF.
Reorder Pages
Rebuild a PDF in the page order you choose.
Delete Pages
Remove selected pages and download a clean file.
Rotate PDF
Rotate every page of a PDF in your browser.
Compress PDF
Re-save PDFs with object streams for a lighter file.
Images to PDF
Convert JPG or PNG images into a single PDF.
Watermark PDF
Stamp any text watermark on every page of a PDF.
Add Page Numbers
Stamp page numbers at any position — pick font size and start.
Protect PDF
Add password protection to restrict who can open your PDF.
Unlock PDF
Remove password protection from a PDF you own.
PDF to Images
Convert each PDF page to PNG or JPG and download as ZIP.
Extract Pages
Pick specific pages from a PDF and save them as a new file.