delphi pdf create edit read view sdk

07/30/2020 v3.4.1 losLab PDF Library is an all-in-one developer kit for Adobe Portable Document rendering, creation & editing, written in Delphi (object pascal), it also provides ActiveX control, DLL, and macOS Dylib supporting, for virtually all programming languages, including C# and VB.Net. It’s compliant with PDF 1.2-1.7 specifications.

Our Library including over hundreds PDF create, edit, rendering, form filling and other manipulation functions for use with Delphi, C++Builder directly with Delphi library /object pascal source codes, or with Visual C++, CSharp, VB6, Visual Basic.NET, VBScript, ASP /ASP.NET, PHP, PowerBuilder, PowerBASIC, RealBasic and other programming languages which support either ActiveX or DLL.

losLab PDF Library provides a full set of functions that allow you to create, modify /edit, render /printing, split /merge, encrypt /decrypt, as well as manipulate AcroForms, It also provides Images /Graphics supporting including BMP, TIFF, JPG /JPEG, GIF, PNG, and EMF format, it supporting TrueType and Type1 font embedding, TrueType font subsetting allowing Unicode text. It also supporting advanced javascript scripting functions, includes a full document rasterizer enabling rendering on either screen or printer.

Download PDF Library DEMO package (110 MB)

Purchase PDF library with Full Source via PayPal. (Limited Time 40% off; Starting from $280)
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08/08/2020 v3.4.2 Fixed an error that compiled Win64 app could not start on some systems
07/30/2020 v3.4.1 Add PDFdecrypt demo; Some minor changes
05/27/2020 v3.4.0, RAD Studio 10.4 Sydney supporting added.

07/28/2019 v3.3.0, Fixed an issue in the ImageToPDF sample about PNG with alpha channel.
05/21/2019 v3.2.4, Some improvements have been made to the c# examples.
04/15/2019 v3.2.3, One fix about PNG transparency; Add one sample program.
04/13/2019 v3.2.2, Some examples have been modified and enhanced.
04/10/2019 v3.2.1, Delphi 5 compiling fix.

PDF library all-in-one PDF development kit
Current Version 3.4.1, Supports:

  • Delphi 5-XE8, C++Builder 5-XE8
  • RAD Studio 10 Seattle, 10.1 Berlin, 10.2 Tokyo, 10.3 Rio,  10.4 Sydney
  • Visual Basic, Visual Basic.Net, Visual C++, C#
  • VBScript, VBA, ASP, ASP.NET, PHP
  • PowerBASIC, RealBasic, PowerBuilder
  • And many other programming languages
  • Support 64-bit compiling if your IDE supports

To existing customers: to request free updates within 1 year period after your last purchase, or request renewal purchase link, please email us at, or use our contact us page.


About the author: Devoted to developing PDF and Spreadsheet developer library, including PDF creation, PDF manipulation, PDF rendering library, and Excel Spreadsheet creation & manipulation library.