PDF Viewer
Fast and accurate PDF rendering, rich viewing features, and a customizable UI help users seamlessly open and view documents on any device.
Powerful PDF Features,All in ComPDF
From viewing and editing to conversion, signing, and automation, ComPDF provides every capability you need to work with documents efficiently.
Viewer & Markup
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Annotations
Flexible and reliable annotation tools make it easy to add comments, edit markups, track revisions, and collaborate across document workflows.
Forms
Easily view, fill, and save PDF forms with full support for interactive forms, static forms, and standard PDF AcroForms.
Measurement
Accurately measure length, area, angle, diameter, and radius with customizable scale and precision settings for professional workflows.
Editor & Processing
Document Editor
Easily merge, split, insert, rotate, replace, delete, and crop PDF pages for flexible document organization and page management workflows.
Content Editor
Directly edit PDF text and images with intuitive tools to add, resize, move, delete, and modify content and properties with ease.
Compress
Multiple compression modes help efficiently reduce PDF file size while preserving document quality through lossless compression.
Compare Document
Compare PDF documents in overlay or content comparison modes, automatically detecting and highlighting every difference down to the character level.
Compliance and Security
Security
Protect documents with permissions, redaction, watermarks, and AES 128/256 encryption to ensure enterprise-grade document and data security.
Digital Signature
Create and validate digital certificates and signatures to prevent tampering while ensuring the integrity and security of PDF contracts and files.
Electronic Signature
Streamline workflows with electronic signature creation, signing, and management, supporting handwritten, scanned, and drawn signatures across documents.
Redaction
Instantly redact or white out sensitive information in documents to prevent data leakage and protect confidential business information.
Advanced
Conversion
Convert PDF to/from Office files, images, CSV, HTML, JSON, TXT, and more with multithreaded batch processing for high-efficiency workflows.
PDF Generation
Generate PDFs from dynamic forms, HTML, and APIs with flexible document generation capabilities. Office-to-PDF generation support is coming soon.
OCR
AI-powered OCR technology supports layout analysis and form recognition to improve extraction accuracy and document processing efficiency.
Layers
View, edit, display, lock, and export individual or multiple PDF layers while customizing layer names, visibility, printing, and export settings.
Color Separation
Recognize CMYK, PMS, and other color modes with detailed color inspection, visibility switching, and value analysis directly inside documents.
PDF Standards
Full support for PDF standards, including PDF/A archival, PDF/X printing, and PDF/UA accessibility for worry-free compliance workflows.
AI
AI Document Parsing
Automatically detect 30+ document elements, including titles, tables, and images, with AI layout analysis and structured data output.
AI Document Extraction
Extract key information from any document in seconds using customizable extraction templates, eliminating manual data entry workflows.
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