SmartFormat is a is a lightweight text templating library written in C# which can be a drop-in replacement for string.Format. More than that SmartFormat can format data with named placeholders, lists, localization, pluralization and other smart extensions.

• High performance with low memory footprint
• Minimal, intuitive syntax
• Formatting takes place exclusively at runtime
• Exact control of whitespace text output
• string.Format compatibility mode and SmartFormat enhanced mode
• Most common data sources work out-of-the-box
• Many built-in formatting extensions
• Custom formatting and source extensions are easy to integrate

• .Net Framework 4.6.1 and later
• .Net Standard 2.0
• .Net Standard 2.1 and later for best optimizations

Install the full NuGet package -or-

Install the core NuGet package

Have a look at the SmartFormat Wiki
Using async / multithreading? Follow this.

See the changelog for changes.

SmartFormat is licensed under The MIT License (MIT)

The bundled project SmartFormat.ZString is Copyright © Cysharp, Inc. Their software is licensed under The MIT License (MIT). Their conversion methods under the ZString/Number directory is Copyright © .NET Foundation and Contributors und is licensed under The MIT License (MIT).