nodejs toBytes fromBytes conversion

Fastest possible base64 encoding/decoding using WebAssembly

A pure JavaScript implementation of the AES block cipher and all common modes of operation.

Excel spreadsheet plaintext export for noy-db — produces a real .xlsx (Office Open XML) from one or more collections. Multi-sheet, Unicode-safe via shared-strings table. Zero runtime deps beyond the workspace zip encoder. Gated by RFC #249 `canExportPlain

Single-attachment plaintext export for noy-db — extracts one blob from BlobSet as native MIME bytes. Gated by the RFC #249 `canExportPlaintext` capability bit; writes an audit-ledger entry on every call. Part of the @noy-db/as-* portable-artefact family (

Lightweight UUID for JavaScript. Parse and generate UUIDs. Convert between string and byte array.

solidity rlp encoder/decoder

BCS - Canonical Binary Serialization implementation for JavaScript

XXTEA is a fast and secure encryption algorithm. This is a XXTEA library for Node.js.

Pure JS Cardano Wallet library

BCS - Canonical Binary Serialization implementation for JavaScript

lightweight DASL dCBOR42 codec library for AT Protocol

Hex Encoder; UrlBase64 Encoder;

Library for Threshold Public Key Encryption (TPKE) utilities in the NeoX ecosystem.

> Encryption library for Hesabe Payment API 2.0 for Typescript

Zero-dependency EMVCo Merchant-Presented-Mode QR payload builder + parser for Thai QR Payment (PromptPay, BillPayment, KShop)

TypeScript definitions for uuid-js

a pure-JavaScript MIDI file generator

25-digit case-insensitive UUID encoding

Zero-dependency, isomorphic pptx writer + reader for agentic deck creation. The Node/TypeScript mirror of the PHP particle-academy/dark-slide (feature-parity with PHP 0.5.2). Deck schema matches @particle-academy/fancy-slides.