21 free PDF tools to merge, split, reorder, reverse, add blank pages, protect, unlock, rotate, watermark, delete pages, extract pages, add page numbers, headers/footers, image watermarks, flatten forms, crop pages, edit metadata, optimize, convert to images, compress, and OCR PDFs.
Combine multiple PDFs into one file
Separate PDF into individual pages
Rearrange pages in any order
Flip entire page order
Insert empty pages anywhere
Add password protection
Remove password from PDF
Permanently rotate pages
Add text watermark to pages
Remove specific pages by number
Extract a page range as new PDF
Number pages automatically
Add text to every page
Overlay logos and images
Convert fillable forms to static
Crop page margins
Update title, author, subject
Reduce file size
Convert pages to PNG/JPEG
Rasterize & compress pages
Extract text via OCR