KillerPDF icon
KillerPDF icon

KillerPDF

Portable PDF editor for field techs and anyone tired of Adobe. View, annotate, edit text, OCR, fill forms, sign, merge, split, and print. Free and open source: no subscription, no account, no telemetry.

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Cost / License

Application type

Platforms

  • Windows  Windows 10 or 11 (x64)
KillerPDF screenshot 1
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Features

Properties

  1.  Lightweight
  2.  Privacy focused
  3.  Support for Themes

Features

  1.  No Tracking
  2.  No registration required
  3.  Ad-free
  4.  PDF annotation
  5.  Works Offline
  6.  Portable
  7.  Sign PDF files
  8.  Combine PDF
  9.  Fill PDF Forms
  10.  Split PDF files
  11.  OCR
  12.  Full-Text Search
  13.  Dark Mode
  14.  Edit PDF
  15.  Drag and Drop
  16.  Text Highlighting

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Adobe Acrobat DC

Create and edit PDFs. Collaborate with ease. E-sign documents and collect signatures. Get everything done in one app, wherever you work. Acrobat’s got it. Stay on top of your documents with powerful features for desktop, mobile, ...

 
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KillerPDF information

AlternativeTo Category

Office & Productivity

GitHub repository

  •  3,865 Stars
  •  305 Forks
  •  39 Open Issues
  •   Updated  
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What is KillerPDF?

Portable PDF editor for field techs and anyone tired of Adobe. View, annotate, edit text, OCR, fill forms, sign, merge, split, and print. Free and open source: no subscription, no account, no telemetry. Single ~16 MB Windows EXE - run it portable, or use the per-user installer (no admin rights). Also on winget: winget install killerpdf.

Features:

  • Inline text editing with font matching against the original document
  • Built-in OCR (Tesseract ships in the EXE): make scanned PDFs searchable, OCR a page or region to clipboard, extract all text to file; extra languages download on demand
  • Fill and save PDF forms; draw reusable signatures; cloud certificate signing via Certum SimplySign
  • Text boxes, freehand drawing, lines, and highlight overlays with adjustable color, size, and opacity
  • Merge, split, reorder, rotate, and extract pages; stamp page numbers; batch process folders or ZIPs
  • Tabbed viewing with four view modes (single page, continuous scroll, two-page, grid), outlines, and clickable links
  • High-quality rendering via PDFium (Docnet.Core)
  • Straighten crooked scans with a level line preview
  • Full-text search with result highlighting, drag-select to copy text
  • Print preview with scale, position, margins, and pages-per-sheet; annotations flattened into the output
  • Text watermarks and editable document metadata
  • Opens password-protected PDFs and repairs damaged files
  • Six themes, UI localized in nine languages
  • No account, no telemetry, no config sprawl