.zig

What is a .zig file?

Zig is a systems programming language designed to replace C — safer, with no hidden control flow or allocations.

Use caution
Type Code
By Andrew Kelley
MIME text/x-zig

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What is it

Zig's pitch to C programmers is simple: everything C does, but without the footguns. No hidden memory allocations, no hidden control flow, no undefined behaviour that silently corrupts your data. The language makes every allocation explicit, every error visible, and every side effect obvious. It's C's philosophy of transparency taken to its logical extreme.

The language also serves as a better C toolchain. Zig includes a C/C++ compiler (based on Clang) that cross-compiles effortlessly — `zig cc` compiles C code for any target platform without installing separate toolchains. This alone has driven significant adoption even among developers who don't write Zig.

Zig is still pre-1.0, which means the language is evolving and breaking changes happen. The community is passionate and growing. Bun (the fast JavaScript runtime) and TigerBeetle (a financial database) are notable Zig projects. For production systems programming, Rust is the established choice. For a simpler alternative to both C and Rust, Zig is worth watching.

Technical details
Full Name
Zig Source
MIME Type
text/x-zig
Developer
Andrew Kelley
Magic Bytes
N/A
Safety
.zig requires caution. Source code file. Safe to read.
What opens it
VS Code (+ Zig extension)
FREE Windows / Mac / Linux
Any text editor
FREE Windows / Mac / Linux
FAQ
Is Zig better than C?
Zig addresses many of C's pain points: no undefined behaviour, explicit error handling, built-in testing, and a superior build system. Whether it's 'better' depends on your priorities — C has 50 years of ecosystem maturity that Zig can't match yet.
Is Zig ready for production?
Zig is pre-1.0 and the language still evolves. Some companies (TigerBeetle, Bun) use it in production. For risk-averse projects, wait for 1.0. For greenfield systems programming, it's a compelling option.
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