Website · Docs · Guides · Capabilities · Performance
ZingPDF is a .NET 8 library for reading, editing, creating, templating, and saving PDF files in C#. It's free for non-commercial use.
- PDF templating from Liquid HTML
- HTML-to-PDF conversion
- Editing
- Signing
- Signature validation
- Document assembly
- Text extraction
- Form creation
- Form filling and flattening
- Push-button action metadata
- Watermarking
- Compression
- Metadata updates
- Encryption / Decryption
- Redaction
- History Removal
- Low-level object inspection
- Performance tracing
src/: core library and companion packagestests/: unit, integration, smoke, and performance coverageexamples/: small runnable examples for common taskswebsite/: product site, docs, guides, and generated API referencescripts/: release and maintenance scripts
- website: zingpdf.dev
- docs: zingpdf.dev/docs.html
- guides: zingpdf.dev/guides.html
- capability matrix: zingpdf.dev/capabilities.html
- performance comparison: zingpdf.dev/performance.html
- generated API reference: zingpdf.dev/api/
- examples folder: examples
- support and compatibility notes: docs/project/SUPPORT.md
src/ZingPDF: core PDF APIssrc/ZingPDF.Templates: shared template abstractionssrc/ZingPDF.Templates.LiquidHtml: Liquid HTML template rendering packagesrc/ZingPDF.GoogleFonts: optional Google Fonts integration packagesrc/ZingPDF.OCR: OCR support for image-based PDF pagessrc/ZingPDF.FromHTML: HTML-to-PDF helpers
ZingPDF is proprietary software. Commercial use requires an active subscription or a separate commercial agreement. See LICENSE.txt for the current license terms.