Tigress
Tigress: A highly configurable C obfuscator for advanced source transformation and software protection. Ranked #19 of 34 in Code Obfuscation Software by our editors (7.4/10); pricing: Pricing on request; best for advanced C source transformation.
At a glance
- Editor score7.4 / 10
- PricingPricing on request
- Best forAdvanced C source transformation
- Free planNo
- Anti-tamper controlsYes
- Facts checked21 Sep 2026

Where it wins
- Virtualization, runtime code generation, and dynamic code modification
- Control-flow, literal-encoding, function, and anti-analysis transformations
- Supports Linux, Darwin, Android, Windows, WebAssembly, Intel, and ARM
Where it doesn't
- Commercial deployment requires contacting the University of Arizona
- Command-line, self-hosted workflow requires technical build integration
- Focused on C source rather than a broad set of programming languages
Our verdict on Tigress
Tigress is a command-line, source-to-source obfuscator for C programs. It transforms C source into new C source through configurable sequences of virtualization, just-in-time compilation, control-flow, data, function, integrity, and anti-analysis transformations. The project is intended for academics, students, researchers, and practitioners studying or applying software protection. Its supported targets include C99 source across Linux, Darwin, Android, Windows, WebAssembly, Intel, and ARM environments, with GCC, Clang, Emscripten, and cl listed for build support.
The main strength is transformation depth. Tigress can virtualize code into specialized interpreters, generate code at runtime, modify code dynamically, flatten control flow, create opaque predicates, and encode string and integer literals. It also supports function splitting, merging, inlining, and argument randomization. Integrity checking and tamper-response plugins extend the focus beyond code concealment, while anti-alias, anti-taint, and anti-branch analysis transformations address additional analysis paths. This breadth makes Tigress suitable for projects that need configurable C transformations rather than a narrow string-protection utility.
Tigress is a self-hosted tool with a command-line build integration model, so adoption centers on source transformation and build-pipeline expertise rather than a graphical workflow. Research use is available without a license, while commercial deployment requires contacting the University of Arizona for licensing. It is a strong fit for advanced C protection work, academic research, and projects targeting native or WebAssembly environments. Teams seeking a managed service, public commercial pricing, or protection for languages other than C should consider a different category option.
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Tigress pricing
Tigress fact sheet
| Free plan | No |
|---|---|
| Paid from | Not verified |
| Supported targets | C99 source; Linux, Darwin, Android, Windows; Intel and ARM; WebAssembly; GCC, Clang, Emscripten, and cl |
| Anti-tamper controls | Yes |
| Control-flow obfuscation | Yes |
| String encryption | Yes |
| Deployment model | Self_hosted |
| Build integration | Cli |
| Deployment | Self-hosted, Desktop |
| Platforms | Linux, macOS, Windows, Android |
| Support | Email, Docs |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Pricing on request |
| Website | tigress.wtf |
| Facts checked | 21 Sep 2026 |
Alternatives to Tigress
- ByteHide ShieldBroad application protection across .NET, web, Android, and iOS with a free plan.9.4
- JscramblerA focused JavaScript protection suite for teams securing browser and Node.js applications.9.2
- DotfuscatorA broad .NET protection toolkit with a free personal-use entry point and quote-based paid plans.9.0
See all Tigress alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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