SlidPhiLabs ships pure-JavaScript lossless codecs for integer sequences: Zero Range Wave (beats gzip/brotli on zeros, ramps & walks), the Blackjack family, and Omni-Dormant pathway codecs. Code is free. Paid support is optional.
Specialized pure-JS integer-sequence compressor — library, HTTP API (zrw-api), and MCP (zrw-mcp). Built for repetitive and smooth integer streams where generic compressors waste bits.
| Input | ZRW | brotli | gzip |
|---|---|---|---|
| zeros × 1k | 8 B | 13 B | 39 B |
| ramp × 1k | 8 B | ~1132 B (~141×) | ~1436 B |
| walk × 10k (s1) | 128 B | — | ~5223 B (~40×) |
| walk × 10k (s5) | 420 B | — | ~11231 B (~26×) |
npm i zero-range-wave-compression
import { compress, decompress, setLicenseKey } from "zero-range-wave-compression";
setLicenseKey(process.env.ZRW_LICENSE);
const packed = compress([0,0,0,1,2,3]); // exact RT via decompress
Free Gate: 25 seats — email ceedotrock@gmail.com subject ZRW FREE.
Same lab, different jobs. All pure JS. Cross-linked from every package README.
Record ratios on zeros, ramps, walks. Lib + API + MCP. Free 25 + paid tiers.
GitHub →| Package | Install | License |
|---|---|---|
| zero-range-wave-compression | npm i zero-range-wave-compression | Free Gate + commercial |
| blackjack-compression | npm i blackjack-compression | MIT |
| shard-zip | npm i shard-zip | MIT |
| shard-tsdb@0.2.4 | npm i shard-tsdb | MIT · TSDB + Blackjack blocks |
| slid-phi | npm i slid-phi | MIT |
Lower avg bits = better. Never claim below the ideal minimum.
| Scheme | Avg bits | Notes |
|---|---|---|
| Ideal minimum | ≈ 13.29 | log₂ M |
| dense-auto | ~14.57 | ~20% vs classic Fib 18.23 |
| classic Fib | 18.23 | baseline |
npm i slid-phi
import { encode, decode } from "slid-phi";
const f = encode("dense", data, { profile: "auto" });
CuNi Studio — exact multi-target code (Python/Go/JS) or refuse. Free playground + Agent mode.
MIT covers using the open packages. Paid offers are time and guidance — not a second license for the same rights. ZRW has its own commercial tiers (see above).