Exis.PdfEditor
Comprehensive PDF toolkit for .NET — find/replace, merge, split, build, form filling, redaction, image editing, watermark, optimization, digital signatures, and PDF/A compliance. Zero external dependencies. Operates directly on PDF content streams.
Features: text find/replace (regex, case-insensitive, whole-word, width-aware fitting), PDF merging (with page range selection), page splitting/extraction, fluent document builder (text, JPEG/PNG images, shapes), structured text extraction (with positions and font data), form filling (AcroForm text/checkbox/choice fields), text and area redaction, image finding with displayable bytes (JPEG/BMP) and replacement (JPEG/PNG, by index or page range), text watermarks (configurable position, font size, color, opacity, page selection), stream compression and object deduplication, digital signatures (PKCS#7, net8.0), PDF/A validation and conversion (1b/2b/3b), document inspection.
The netstandard2.0 build is compatible with .NET Framework 4.6.1+, .NET Core 2.0+, and .NET 5/6/7/8/9/10+. The net8.0 build adds digital signature support and is used by .NET 8, 9, 10, and later. NuGet resolves automatically.
Made in USA.
v1.9.1↙ 873