Full Randomness Meta-SuiteAll 8 randomness test batteries in a single streaming pass — ENT, NIST SP 800-22, BSI AIS 31, Dieharder, NIST SP 800-90B, TestU01 SmallCrush, PractRand, and gjrand. One file drop, complete multi-standard evaluation.

Quick Screen & Health Diagnostic SuiteInstant single-pass randomness screening and health diagnostics across 5 critical dimensions: Information, Frequency, Bit Distribution, Sequential Patterns, and Geometry.

Fourmilab ENT Randomness BatteryJohn Walker's classic Fourmilab ENT randomness evaluation suite. Computes Shannon entropy, Chi-Square distribution, arithmetic mean, Monte Carlo Pi estimation, and serial correlation.

Test Stream GeneratorGenerate synthetic binary test streams from 11 deterministic and stochastic sources — Sequential Ramp, Fixed Constant, LFSR, De Bruijn Cycle, LCG, Xoshiro256**, Gaussian, Poisson, NIST AES CTR_DRBG, NIST SHA-256 Hash_DRBG, and ChaCha20. Export as .bin, .txt, .hex, .bits, or .csv.

NIST SP 800-22 Randomness Test SuiteNIST Special Publication 800-22 Rev. 1a statistical test suite for randomness. Evaluates binary sequences across 15 statistical tests covering frequency, block structure, runs, spectral properties, linear complexity, and template matching.

NIST SP 800-90B Min-Entropy SuiteNIST Special Publication 800-90B min-entropy estimation suite. Quantifies the worst-case unpredictability of physical entropy sources via 10 estimators across Non-IID and Predictor tracks — the gold standard for FIPS 140-3 entropy source validation.

BSI AIS 20 / AIS 31 Physical TRNG SuiteGerman Federal Office for Information Security (BSI) AIS 20 / AIS 31 physical true random number generator test suite. Evaluates hardware entropy sources across 9 deterministic criteria: T0 Disjointness through T8 Shannon Entropy.

Dieharder Statistical Test BatteryRobert G. Brown's Dieharder battery — a modern, rigorous extension of Marsaglia's original Diehard tests. Evaluates random number generators across 12 tests spanning spatial, runs, template, frequency, complexity, and distribution dimensions.

TestU01 SmallCrush BenchmarkPierre L'Ecuyer & Richard Simard's TestU01 academic PRNG benchmark suite — SmallCrush battery. Evaluates pseudo-random generators across 10 stringent statistical tests including birthday spacings, collision, gap, poker, coupon collector, weight distribution, matrix rank, Hamming independence, and run tests.

PractRand High-Throughput PRNG SuiteChris Doty-Humphrey's PractRand — a high-throughput PRNG testing framework designed to run continuously and detect failure at arbitrary data volumes. Evaluates generators across gap, folding floating-point, Bayesian count frequency, differential count, binary matrix rank, and autocorrelation tests.

gjrand Statistical Test SuiteDavid Blackman's gjrand battery — a focused suite of 10 multi-dimensional collision, probability, distance, gap, and run-length tests designed specifically to expose weaknesses in modern high-speed PRNGs at 16-bit and 32-bit resolution.