KingPDF Changelog

New features and improvements by version.

v1.0.0
2026-10-17
  • First public release — an ultra-fast PDF viewer, annotator, editor, converter and security tool in one program
  • Viewing — huge documents, no blank flashes, sharp when zoomed in, minimap, continuous / single-page / two-page views, full screen, presentation
  • Tabs — Start tab (recent documents, favorite tools), Explorer tab (find PDFs with previews), split view, new window
  • Finding — search in the right panel (this document or all open documents), annotation list, properties, attachments
  • Annotations — highlight, underline, strikeout, note, pen, eraser, text box, stamps (including image stamps), shapes; annotations made in other programs can be edited in place
  • Editing — change existing text, add text, rotate / delete / extract / insert pages, drag to reorder, add bookmarks
  • Conversion — image (PNG, JPEG, TIFF, BMP, GIF), text, XML, batch conversion, images to PDF
  • Tools — merge, split, remove blank pages, scan, compress, repair, batch print, OCR, rotate, page numbers, watermark, header / footer, crop
  • Security — passwords (AES-256), permissions, edit lock, digital signatures, ink signatures, signature verification, redaction, compare
  • Undo and redo for every change; saving always creates a new file (the original file is never overwritten)
  • New-version notice — a small badge in the title bar when a new version is out (can be turned off in Preferences)