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fromHex

fromHex<TTo>(hex, toOrOpts): FromHexReturnType<TTo>

Decodes a hex string into a string, number, bigint, boolean, or byte array.

Type parameters

▪ TTo extends "string" | "number" | "bigint" | "boolean" | "bytes"

Parameters

▪ hex: `0x${string}`

Hex string to decode.

▪ toOrOpts: FromHexParameters<TTo>

Type to convert to or options.

Returns

Decoded value.

Example

import { fromHex } from 'viem'
const data = fromHex('0x1a4', 'number')
// 420

Example

import { fromHex } from 'viem'
const data = fromHex('0x48656c6c6f20576f726c6421', 'string')
// 'Hello world'

Example

import { fromHex } from 'viem'
const data = fromHex('0x48656c6c6f20576f726c64210000000000000000000000000000000000000000', {
  size: 32,
  to: 'string'
})
// 'Hello world'

Source

node_modules/.pnpm/viem@2.4.0_typescript@5.3.3_zod@3.22.4/node_modules/viem/_types/utils/encoding/fromHex.d.ts:47

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