# SMI Dev Tools

> Free online developer tools: UUID generator, Base64 encoder/decoder, JWT reader, JSON formatter, UNIX timestamp converter, and color converter. Fast, private, and no sign-up required.

All tools run entirely in the browser. No accounts, no server-side processing of user data.

Preferred citation URL: https://webdevtools.io

## Tools

- [UUID Generator](https://webdevtools.io/uuid-generator): Generate universally unique identifiers (UUIDs v4) instantly.
- [Base64 Encoder/Decoder](https://webdevtools.io/base64-encoder): Encode or decode Base64 strings instantly in your browser.
- [JSON Formatter](https://webdevtools.io/json-formatter): Format, prettify, and validate JSON data instantly.
- [JWT Reader](https://webdevtools.io/jwt-reader): Decode and inspect JSON Web Tokens (JWT) header, payload, and signature.
- [UNIX Timestamp Converter](https://webdevtools.io/unix-timestamp-converter): Convert UNIX epoch timestamps to human-readable dates and vice versa.
- [Color Converter](https://webdevtools.io/color-converter): Convert colors between HEX and RGB formats with live preview.

## Optional

- [Machine-readable tool catalog](https://webdevtools.io/tools.json)
- [Sitemap](https://webdevtools.io/sitemap.xml)