Hex string formatters for 4/8/16/24/32/48/64bit words, hexdump formatting of binary data
npm install @thi.ng/hex
!npm downloads
> [!NOTE]
> This is one of 214 standalone projects, maintained as part
> of the @thi.ng/umbrella monorepo
> and anti-framework.
>
> 🚀 Please help me to work full-time on these projects by sponsoring me on
> GitHub. Thank you! ❤️
- About
- Status
- Related packages
- Installation
- Dependencies
- API
- Creating hexdumps
- Authors
- License
Hex string formatters for 4/8/16/24/32/48/64bit words, hexdump formatting of binary data.
STABLE - used in production
Search or submit any issues for this package
- @thi.ng/base-n - Arbitrary base-n conversions w/ presets for base8/16/32/36/58/62/64/83/85, support for bigints and encoding/decoding of byte arrays
``bash`
yarn add @thi.ng/hex
ESM import:
`ts`
import * as hex from "@thi.ng/hex";
Browser ESM import:
`html`
For Node.js REPL:
`js`
const hex = await import("@thi.ng/hex");
Package sizes (brotli'd, pre-treeshake): ESM: 616 bytes
None
`ts tangle:export/readme.ts
import * as h from "@thi.ng/hex";
const cssColor = (x: number) => "#" + h.U24(x);
cssColor(10597059)
// "#a1b2c3"
h.U48(223928981472033);
// "cba987654321"
h.U48HL(0xcba9, 0x87654321)
// "cba987654321"
h.U64(0xaa * 0x010101010101)
// "0000aaaaaaaaaaaa"
h.U64HL(0x11223344, 0x89abcdef);
// "1122334489abcdef"
// format directly from byte arrays
const BUF = [1, 2, 3, 4, 0x10, 0x20, 0x30, 0x40];
// big-endian
h.U32BE(BUF, 0)
// "01020304"
h.U32BE(BUF, 4)
// "10203040"
// little-endian
h.U32LE(BUF, 0)
// "04030201"
h.U32LE(BUF, 4)
// "40302010"
`
The following functions are provided to create customizable hexdumps:
- hexdump()
- hexdumpLines()
- printHexdump()
`ts tangle:export/readme-hexdump.ts
import { printHexdump } from "@thi.ng/hex";
import { readFileSync } from "node:fs";
const bytes = readFileSync("README.md");
// hexdump of the first 100 bytes
printHexdump(bytes, 0, 100);
// 00000000 21 5b 74 68 69 2e 6e 67 2f 75 6d 62 72 65 6c 6c !
- [Karsten Schmidt](https://thi.ng" class="text-primary hover:underline" target="_blank" rel="noopener noreferrer">thi.ng/umbrell
// 00000010 61 5d 28 68 74 74 70 73 3a 2f 2f 72 61 77 2e 67 a
If this project contributes to an academic publication, please cite it as:
`bibtex``
@misc{thing-hex,
title = "@thi.ng/hex",
author = "Karsten Schmidt",
note = "https://thi.ng/hex",
year = 2020
}
© 2020 - 2026 Karsten Schmidt // Apache License 2.0